diff --git a/yaml/IRI/params.yaml b/yaml/IRI/params.yaml
index eec3d1eb4cde05a8c7c8e2c965a2ad6c3a81a5b6..6ae35fa0ebc81248a55fa7e6513d01d7a20e3bcd 100644
--- a/yaml/IRI/params.yaml
+++ b/yaml/IRI/params.yaml
@@ -18,16 +18,8 @@ config:
       follow: "../prior/POV_fix.yaml"
       
   solver:
-    max_num_iterations: 20
-    verbose: 0
-    period: 0.0
-    n_threads: 2
-    update_immediately: false
-    min_num_iterations: 5 #if update immediately
-    compute_cov: true
-    cov_enum: 3
-    cov_period: 1
-      
+    follow: "solver.yaml"  
+        
   map:
     type: "MapBase"
     plugin: "core"
diff --git a/yaml/IRI/params_only_gnss.yaml b/yaml/IRI/params_only_gnss.yaml
index f91af26105a93e713705eb0f4f3f863812172861..9d3485ef8bbb4b0340d6ab36ab6947cf9801878c 100644
--- a/yaml/IRI/params_only_gnss.yaml
+++ b/yaml/IRI/params_only_gnss.yaml
@@ -19,15 +19,7 @@ config:
       follow: "../prior/PO_fix.yaml"
       
   solver:
-    max_num_iterations: 20
-    verbose: 0
-    period: 0.0
-    n_threads: 2
-    update_immediately: true
-    min_num_iterations: 5 #if update immediately
-    compute_cov: false
-    cov_enum: 3
-    cov_period: 1
+    follow: "solver.yaml" 
       
   map:
     type: "MapBase"
diff --git a/yaml/IRI/solver.yaml b/yaml/IRI/solver.yaml
new file mode 100644
index 0000000000000000000000000000000000000000..bb6e89b662c139699f4b87d865c6fb04ff5427ea
--- /dev/null
+++ b/yaml/IRI/solver.yaml
@@ -0,0 +1,16 @@
+verbose: 0
+period: 0.0
+n_threads: 2
+
+compute_cov: true
+cov_enum: 3
+cov_period: 1
+
+max_num_iterations: 20
+minimizer: "LEVENBERG_MARQUARDT"
+update_immediately: false
+min_num_iterations: 5                  #if update_immediately
+function_tolerance: 0.000001
+gradient_tolerance: 0.0000000001
+use_nonmonotonic_steps: false          # if LEVENBERG_MARQUARDT or DOGLEG
+max_consecutive_nonmonotonic_steps: 5  # if use_nonmonotonic_steps
diff --git a/yaml/M600a/params.yaml b/yaml/M600a/params.yaml
index d75a0a8a21aa975870f13f737f56223a185f6ea4..a6de98d27041bddc87a8e7f96cdd801b146d2701 100644
--- a/yaml/M600a/params.yaml
+++ b/yaml/M600a/params.yaml
@@ -18,16 +18,8 @@ config:
       follow: "../prior/POV_fix.yaml"
       
   solver:
-    max_num_iterations: 20
-    verbose: 0
-    period: 0.0
-    n_threads: 2
-    update_immediately: false
-    min_num_iterations: 5 #if update immediately
-    compute_cov: true
-    cov_enum: 3
-    cov_period: 1
-      
+    follow: "solver.yaml"
+    
   map:
     type: "MapBase"
     plugin: "core"
diff --git a/yaml/M600a/params_2.yaml b/yaml/M600a/params_2.yaml
index 07916e0877667cfaf2b2ba0f4609d4055f467b48..0f7c4e6b0df2b5fd2111ad5adc348796a7dc7ad1 100644
--- a/yaml/M600a/params_2.yaml
+++ b/yaml/M600a/params_2.yaml
@@ -18,15 +18,7 @@ config:
       follow: "../prior/POV_fix.yaml"
       
   solver:
-    max_num_iterations: 20
-    verbose: 0
-    period: 0.0
-    n_threads: 2
-    update_immediately: false
-    min_num_iterations: 5 #if update immediately
-    compute_cov: true
-    cov_enum: 3
-    cov_period: 1
+    follow: "solver.yaml"
       
   map:
     type: "MapBase"
diff --git a/yaml/M600a/params_3.yaml b/yaml/M600a/params_3.yaml
index d09eeada3b47e206dfa7f1fd8195cd4e61007b63..ebae724bd696d7b3497b24e53546621a18e97fa0 100644
--- a/yaml/M600a/params_3.yaml
+++ b/yaml/M600a/params_3.yaml
@@ -18,15 +18,7 @@ config:
       follow: "../prior/POV_fix.yaml"
       
   solver:
-    max_num_iterations: 20
-    verbose: 0
-    period: 0.0
-    n_threads: 2
-    update_immediately: false
-    min_num_iterations: 5 #if update immediately
-    compute_cov: true
-    cov_enum: 3
-    cov_period: 1
+    follow: "solver.yaml"
       
   map:
     type: "MapBase"
diff --git a/yaml/M600a/params_4.yaml b/yaml/M600a/params_4.yaml
index 14a02dead496abee1e06aadba4a986e635bcdba1..2b9a7f6afd75ec787d91d6a8786eda8ed55f67c1 100644
--- a/yaml/M600a/params_4.yaml
+++ b/yaml/M600a/params_4.yaml
@@ -18,15 +18,7 @@ config:
       follow: "../prior/POV_fix.yaml"
       
   solver:
-    max_num_iterations: 20
-    verbose: 0
-    period: 0.0
-    n_threads: 2
-    update_immediately: false
-    min_num_iterations: 5 #if update immediately
-    compute_cov: true
-    cov_enum: 3
-    cov_period: 1
+    follow: "solver.yaml"
       
   map:
     type: "MapBase"
diff --git a/yaml/M600a/params_only_gnss.yaml b/yaml/M600a/params_only_gnss.yaml
index 1573584bbf210ee0e5a45dee595198e0ecbfb570..63ac9a92482976ac9bafe4355f9b21571b61d6ce 100644
--- a/yaml/M600a/params_only_gnss.yaml
+++ b/yaml/M600a/params_only_gnss.yaml
@@ -18,15 +18,7 @@ config:
       follow: "../prior/PO_fix.yaml"
       
   solver:
-    max_num_iterations: 20
-    verbose: 0
-    period: 0.0
-    n_threads: 2
-    update_immediately: false
-    min_num_iterations: 5 #if update immediately
-    compute_cov: false
-    cov_enum: 3
-    cov_period: 1
+    follow: "solver.yaml"
       
   map:
     type: "MapBase"
diff --git a/yaml/M600a/solver.yaml b/yaml/M600a/solver.yaml
new file mode 100644
index 0000000000000000000000000000000000000000..bb6e89b662c139699f4b87d865c6fb04ff5427ea
--- /dev/null
+++ b/yaml/M600a/solver.yaml
@@ -0,0 +1,16 @@
+verbose: 0
+period: 0.0
+n_threads: 2
+
+compute_cov: true
+cov_enum: 3
+cov_period: 1
+
+max_num_iterations: 20
+minimizer: "LEVENBERG_MARQUARDT"
+update_immediately: false
+min_num_iterations: 5                  #if update_immediately
+function_tolerance: 0.000001
+gradient_tolerance: 0.0000000001
+use_nonmonotonic_steps: false          # if LEVENBERG_MARQUARDT or DOGLEG
+max_consecutive_nonmonotonic_steps: 5  # if use_nonmonotonic_steps
diff --git a/yaml/M600b/params.yaml b/yaml/M600b/params.yaml
index ec6df0ea85486800ac368a53dbbce59f878c81fc..c531a5a7a77221ed3af0af5193a021b64e36d99f 100644
--- a/yaml/M600b/params.yaml
+++ b/yaml/M600b/params.yaml
@@ -18,15 +18,7 @@ config:
       follow: "../prior/POV_fix.yaml"
       
   solver:
-    max_num_iterations: 20
-    verbose: 0
-    period: 0.0
-    n_threads: 2
-    update_immediately: false
-    min_num_iterations: 5 #if update immediately
-    compute_cov: true
-    cov_enum: 3
-    cov_period: 1
+    follow: "solver.yaml"
       
   map:
     type: "MapBase"
diff --git a/yaml/M600b/params_2.yaml b/yaml/M600b/params_2.yaml
index 07916e0877667cfaf2b2ba0f4609d4055f467b48..0f7c4e6b0df2b5fd2111ad5adc348796a7dc7ad1 100644
--- a/yaml/M600b/params_2.yaml
+++ b/yaml/M600b/params_2.yaml
@@ -18,15 +18,7 @@ config:
       follow: "../prior/POV_fix.yaml"
       
   solver:
-    max_num_iterations: 20
-    verbose: 0
-    period: 0.0
-    n_threads: 2
-    update_immediately: false
-    min_num_iterations: 5 #if update immediately
-    compute_cov: true
-    cov_enum: 3
-    cov_period: 1
+    follow: "solver.yaml"
       
   map:
     type: "MapBase"
diff --git a/yaml/M600b/params_3.yaml b/yaml/M600b/params_3.yaml
index d09eeada3b47e206dfa7f1fd8195cd4e61007b63..ebae724bd696d7b3497b24e53546621a18e97fa0 100644
--- a/yaml/M600b/params_3.yaml
+++ b/yaml/M600b/params_3.yaml
@@ -18,15 +18,7 @@ config:
       follow: "../prior/POV_fix.yaml"
       
   solver:
-    max_num_iterations: 20
-    verbose: 0
-    period: 0.0
-    n_threads: 2
-    update_immediately: false
-    min_num_iterations: 5 #if update immediately
-    compute_cov: true
-    cov_enum: 3
-    cov_period: 1
+    follow: "solver.yaml"
       
   map:
     type: "MapBase"
diff --git a/yaml/M600b/params_4.yaml b/yaml/M600b/params_4.yaml
index 14a02dead496abee1e06aadba4a986e635bcdba1..2b9a7f6afd75ec787d91d6a8786eda8ed55f67c1 100644
--- a/yaml/M600b/params_4.yaml
+++ b/yaml/M600b/params_4.yaml
@@ -18,15 +18,7 @@ config:
       follow: "../prior/POV_fix.yaml"
       
   solver:
-    max_num_iterations: 20
-    verbose: 0
-    period: 0.0
-    n_threads: 2
-    update_immediately: false
-    min_num_iterations: 5 #if update immediately
-    compute_cov: true
-    cov_enum: 3
-    cov_period: 1
+    follow: "solver.yaml"
       
   map:
     type: "MapBase"
diff --git a/yaml/M600b/params_only_gnss.yaml b/yaml/M600b/params_only_gnss.yaml
index f91af26105a93e713705eb0f4f3f863812172861..9c5684fb52d94f89490aa48a9959f6e75bf3786e 100644
--- a/yaml/M600b/params_only_gnss.yaml
+++ b/yaml/M600b/params_only_gnss.yaml
@@ -19,15 +19,7 @@ config:
       follow: "../prior/PO_fix.yaml"
       
   solver:
-    max_num_iterations: 20
-    verbose: 0
-    period: 0.0
-    n_threads: 2
-    update_immediately: true
-    min_num_iterations: 5 #if update immediately
-    compute_cov: false
-    cov_enum: 3
-    cov_period: 1
+    follow: "solver.yaml"
       
   map:
     type: "MapBase"
diff --git a/yaml/M600b/solver.yaml b/yaml/M600b/solver.yaml
new file mode 100644
index 0000000000000000000000000000000000000000..bb6e89b662c139699f4b87d865c6fb04ff5427ea
--- /dev/null
+++ b/yaml/M600b/solver.yaml
@@ -0,0 +1,16 @@
+verbose: 0
+period: 0.0
+n_threads: 2
+
+compute_cov: true
+cov_enum: 3
+cov_period: 1
+
+max_num_iterations: 20
+minimizer: "LEVENBERG_MARQUARDT"
+update_immediately: false
+min_num_iterations: 5                  #if update_immediately
+function_tolerance: 0.000001
+gradient_tolerance: 0.0000000001
+use_nonmonotonic_steps: false          # if LEVENBERG_MARQUARDT or DOGLEG
+max_consecutive_nonmonotonic_steps: 5  # if use_nonmonotonic_steps
diff --git a/yaml/atlantic/params.yaml b/yaml/atlantic/params.yaml
index 9680309fe2b73a13451a6a04801e9c366b352c1f..8f22514d124cb5b197f74281c6511f225b00854c 100644
--- a/yaml/atlantic/params.yaml
+++ b/yaml/atlantic/params.yaml
@@ -18,15 +18,7 @@ config:
       follow: "../prior/POV_fix.yaml"
   
   solver:
-    max_num_iterations: 20
-    verbose: 0
-    period: 0.0
-    n_threads: 2
-    update_immediately: false
-    min_num_iterations: 5 #if update immediately
-    compute_cov: true
-    cov_enum: 3
-    cov_period: 1
+    follow: "solver.yaml"
   
   map:
     type: "MapBase"
diff --git a/yaml/atlantic/params_2.yaml b/yaml/atlantic/params_2.yaml
index 3ea8608ff7e41f9f63e7b5b64c20ff883fb99c74..1750368af3f83a1134ace4a0fe1601eac6eac8ce 100644
--- a/yaml/atlantic/params_2.yaml
+++ b/yaml/atlantic/params_2.yaml
@@ -18,15 +18,7 @@ config:
       follow: "../prior/POV_fix.yaml"
   
   solver:
-    max_num_iterations: 20
-    verbose: 0
-    period: 0.0
-    n_threads: 2
-    update_immediately: false
-    min_num_iterations: 5 #if update immediately
-    compute_cov: true
-    cov_enum: 3
-    cov_period: 1
+    follow: "solver.yaml"
   
   map:
     type: "MapBase"
diff --git a/yaml/atlantic/params_3.yaml b/yaml/atlantic/params_3.yaml
index b1de5d6e70fb8b90c9cf069b9de87ee99908c088..e19cf297655009fb137586f48d223d1175acec99 100644
--- a/yaml/atlantic/params_3.yaml
+++ b/yaml/atlantic/params_3.yaml
@@ -18,15 +18,7 @@ config:
       follow: "../prior/POV_fix.yaml"
   
   solver:
-    max_num_iterations: 20
-    verbose: 0
-    period: 0.0
-    n_threads: 2
-    update_immediately: false
-    min_num_iterations: 5 #if update immediately
-    compute_cov: true
-    cov_enum: 3
-    cov_period: 1
+    follow: "solver.yaml"
   
   map:
     type: "MapBase"
diff --git a/yaml/atlantic/params_4.yaml b/yaml/atlantic/params_4.yaml
index 0190769c249885ef1b1d4a915c37de999e6e9bd5..e7fd94de67cfddb35a49d97806fdf50adcec7c7f 100644
--- a/yaml/atlantic/params_4.yaml
+++ b/yaml/atlantic/params_4.yaml
@@ -18,15 +18,7 @@ config:
       follow: "../prior/POV_fix.yaml"
   
   solver:
-    max_num_iterations: 20
-    verbose: 0
-    period: 0.0
-    n_threads: 2
-    update_immediately: false
-    min_num_iterations: 5 #if update immediately
-    compute_cov: true
-    cov_enum: 3
-    cov_period: 1
+    follow: "solver.yaml"
   
   map:
     type: "MapBase"
diff --git a/yaml/atlantic/params_only_gnss.yaml b/yaml/atlantic/params_only_gnss.yaml
index 225a486e2d9770dcf45628cb0c1d53462a6f298d..1e9e851137ca8603dd3981278ba707414010c895 100644
--- a/yaml/atlantic/params_only_gnss.yaml
+++ b/yaml/atlantic/params_only_gnss.yaml
@@ -19,15 +19,7 @@ config:
       follow: "../prior/PO_fix.yaml"
     
   solver:
-    max_num_iterations: 20
-    verbose: 0
-    period: 0.0
-    n_threads: 2
-    update_immediately: true
-    min_num_iterations: 5 #if update immediately
-    compute_cov: false
-    cov_enum: 3
-    cov_period: 1
+    follow: "solver.yaml"
       
   map:
     type: "MapBase"
diff --git a/yaml/atlantic/solver.yaml b/yaml/atlantic/solver.yaml
new file mode 100644
index 0000000000000000000000000000000000000000..bb6e89b662c139699f4b87d865c6fb04ff5427ea
--- /dev/null
+++ b/yaml/atlantic/solver.yaml
@@ -0,0 +1,16 @@
+verbose: 0
+period: 0.0
+n_threads: 2
+
+compute_cov: true
+cov_enum: 3
+cov_period: 1
+
+max_num_iterations: 20
+minimizer: "LEVENBERG_MARQUARDT"
+update_immediately: false
+min_num_iterations: 5                  #if update_immediately
+function_tolerance: 0.000001
+gradient_tolerance: 0.0000000001
+use_nonmonotonic_steps: false          # if LEVENBERG_MARQUARDT or DOGLEG
+max_consecutive_nonmonotonic_steps: 5  # if use_nonmonotonic_steps
diff --git a/yaml/scrab/params.yaml b/yaml/scrab/params.yaml
index 1b723684b3db0810b52b92e9e286dc3accf3a1c2..62788b43727ba9cc5e7df075acb2da427e5aecfa 100644
--- a/yaml/scrab/params.yaml
+++ b/yaml/scrab/params.yaml
@@ -18,15 +18,7 @@ config:
       follow: "../prior/POV_fix.yaml"
       
   solver:
-    max_num_iterations: 20
-    verbose: 0
-    period: 0.0
-    n_threads: 2
-    update_immediately: false
-    min_num_iterations: 5 #if update immediately
-    compute_cov: true
-    cov_enum: 3
-    cov_period: 1
+    follow: "solver.yaml"
       
   map:
     type: "MapBase"
diff --git a/yaml/scrab/params_2.yaml b/yaml/scrab/params_2.yaml
index 18d4a8e76ef270bb87d31ef4cf2f54d63a2348d0..6c5ce3c738db83b8a16148abc84052e1486c5e18 100644
--- a/yaml/scrab/params_2.yaml
+++ b/yaml/scrab/params_2.yaml
@@ -18,15 +18,7 @@ config:
       follow: "../prior/POV_fix.yaml"
       
   solver:
-    max_num_iterations: 20
-    verbose: 0
-    period: 0.0
-    n_threads: 2
-    update_immediately: false
-    min_num_iterations: 5 #if update immediately
-    compute_cov: true
-    cov_enum: 3
-    cov_period: 1
+    follow: "solver.yaml"
       
   map:
     type: "MapBase"
diff --git a/yaml/scrab/params_3.yaml b/yaml/scrab/params_3.yaml
index 2356290be4c770992f170aeae9212e5dcac8d2f4..23762d72850bb596218c0619dd0d16bd6c5927a4 100644
--- a/yaml/scrab/params_3.yaml
+++ b/yaml/scrab/params_3.yaml
@@ -18,15 +18,7 @@ config:
       follow: "../prior/POV_fix.yaml"
       
   solver:
-    max_num_iterations: 20
-    verbose: 0
-    period: 0.0
-    n_threads: 2
-    update_immediately: false
-    min_num_iterations: 5 #if update immediately
-    compute_cov: true
-    cov_enum: 3
-    cov_period: 1
+    follow: "solver.yaml"
       
   map:
     type: "MapBase"
diff --git a/yaml/scrab/params_4.yaml b/yaml/scrab/params_4.yaml
index 25bde879fd2bc4168279b0f0826b4ee9dde2c200..83f2006b179f4287518466c2c0e3831e9c2b14d0 100644
--- a/yaml/scrab/params_4.yaml
+++ b/yaml/scrab/params_4.yaml
@@ -18,15 +18,7 @@ config:
       follow: "../prior/POV_fix.yaml"
       
   solver:
-    max_num_iterations: 20
-    verbose: 0
-    period: 0.0
-    n_threads: 2
-    update_immediately: false
-    min_num_iterations: 5 #if update immediately
-    compute_cov: true
-    cov_enum: 3
-    cov_period: 1
+    follow: "solver.yaml"
       
   map:
     type: "MapBase"
diff --git a/yaml/scrab/params_only_gnss.yaml b/yaml/scrab/params_only_gnss.yaml
index f91af26105a93e713705eb0f4f3f863812172861..9c5684fb52d94f89490aa48a9959f6e75bf3786e 100644
--- a/yaml/scrab/params_only_gnss.yaml
+++ b/yaml/scrab/params_only_gnss.yaml
@@ -19,15 +19,7 @@ config:
       follow: "../prior/PO_fix.yaml"
       
   solver:
-    max_num_iterations: 20
-    verbose: 0
-    period: 0.0
-    n_threads: 2
-    update_immediately: true
-    min_num_iterations: 5 #if update immediately
-    compute_cov: false
-    cov_enum: 3
-    cov_period: 1
+    follow: "solver.yaml"
       
   map:
     type: "MapBase"
diff --git a/yaml/scrab/solver.yaml b/yaml/scrab/solver.yaml
new file mode 100644
index 0000000000000000000000000000000000000000..bb6e89b662c139699f4b87d865c6fb04ff5427ea
--- /dev/null
+++ b/yaml/scrab/solver.yaml
@@ -0,0 +1,16 @@
+verbose: 0
+period: 0.0
+n_threads: 2
+
+compute_cov: true
+cov_enum: 3
+cov_period: 1
+
+max_num_iterations: 20
+minimizer: "LEVENBERG_MARQUARDT"
+update_immediately: false
+min_num_iterations: 5                  #if update_immediately
+function_tolerance: 0.000001
+gradient_tolerance: 0.0000000001
+use_nonmonotonic_steps: false          # if LEVENBERG_MARQUARDT or DOGLEG
+max_consecutive_nonmonotonic_steps: 5  # if use_nonmonotonic_steps
diff --git a/yaml/tucan/params.yaml b/yaml/tucan/params.yaml
index ae8771c600869c0b3586a5e0390a5c0fc5cab8b3..c9597551a5100a3386badd6f9d16339ba80a26a1 100644
--- a/yaml/tucan/params.yaml
+++ b/yaml/tucan/params.yaml
@@ -18,15 +18,7 @@ config:
       follow: "../prior/POV_fix.yaml"
       
   solver:
-    max_num_iterations: 20
-    verbose: 0
-    period: 0.0
-    n_threads: 2
-    update_immediately: false
-    min_num_iterations: 5 #if update immediately
-    compute_cov: true
-    cov_enum: 4 #GAUSS_TUCAN
-    cov_period: 1
+    follow: "solver.yaml"
       
   map:
     type: "MapBase"
diff --git a/yaml/tucan/params_2.yaml b/yaml/tucan/params_2.yaml
new file mode 100644
index 0000000000000000000000000000000000000000..dc94801db7203f2d9cbe469b2e7528d6953b744d
--- /dev/null
+++ b/yaml/tucan/params_2.yaml
@@ -0,0 +1,161 @@
+config:
+  debug: 
+    profiling: true
+    profiling_file: "~/profiling_tucan.txt"
+    print_problem: false
+    print_period: 1
+    print_depth: 4
+    print_constr_by: false
+    print_metric: true
+    print_state_blocks: false
+    
+  problem:
+    frame_structure: "POV"
+    dimension: 3
+    tree_manager:
+      follow: "../tree_manager/sliding_window_20_0.yaml" 
+    prior:
+      follow: "../prior/POV_fix.yaml"
+      
+  solver:
+    follow: "solver.yaml"
+      
+  map:
+    type: "MapBase"
+    plugin: "core"
+    
+  sensors:
+    -
+      type: "SensorImu"
+      name: "IMU_odometer"
+      plugin: "imu"
+      follow: "../sensor_bno.yaml"
+    #-
+    #  type: "SensorCompass"
+    #  name: "compass"
+    #  plugin: "imu"
+    #  follow: "sensor_bno_compass.yaml"
+    -
+      type: "SensorGnss"
+      name: "gnss"
+      plugin: "gnss"
+      extrinsic:
+         pose: [0.30, 0, -0.05] # TUCAN
+      follow: "../sensor_f9t.yaml"
+    -
+      type: "SensorModel"
+      name: "dynamic_model"
+      plugin: "core"
+
+  processors:
+    -
+      type: "ProcessorImu"
+      name: "processor IMU"
+      sensor_name: "IMU_odometer"
+      plugin: "imu"
+      follow: "../processor_imu.yaml"
+    #-
+    #  type: "ProcessorCompass"
+    #  name: "processor compass"
+    #  sensor_name: "compass"
+    #  plugin: "imu"
+    #  follow: "../processor_compass.yaml"
+    -
+      type: "ProcessorTrackerGnss"
+      name: "processor gnss"
+      sensor_name: "gnss"
+      plugin: "gnss"
+      follow: "processor_gnss_2.yaml"
+    -
+      type: "ProcessorFixWingModel"
+      name: "processor fix wing"
+      sensor_name: "dynamic_model"
+      plugin: "core"
+      follow: "processor_fix_wing.yaml"
+      
+  ROS subscriber:
+    -
+      type: "SubscriberGnssUblox"
+      topic: "/ublox_gps/raw_data_stream"
+      sensor_name: "gnss"
+      package: "wolf_ros_gnss"
+      follow: "../subscriber_gnss_ublox_2.yaml"
+    -
+      type: "SubscriberImuEnableable"
+      topic: "/bno055_imu/imu"
+      sensor_name: "IMU_odometer"
+      package: "wolf_ros_imu"
+      follow: "subscriber_imu.yaml"
+    #-
+    #  type: "SubscriberCompass"
+    #  topic: "/bno055_imu/magnetometer"
+    #  sensor_name: "compass"
+    #  package: "wolf_ros_imu"
+    #  follow: "subscriber_imu.yaml"
+    -
+      type: "SubscriberGnssFixPublisherEcef"
+      topic: "/ublox_gps/fix" 
+      sensor_name: "gnss"
+      package: "wolf_ros_gnss"
+      marker_color: [0,0,1,1]
+      line_size: 5
+      period: 0.2
+      max_points: 10000
+      
+  ROS publisher:
+    -
+      type: "PublisherUbxNavPVT"
+      topic: "/ublox_emulator/nav_pvt9"
+      package: "wolf_ros_gauss"
+      period: 0.1
+      sensor: "gnss"
+    -
+      type: "PublisherRpaStateInfo"
+      topic: "rpa_state_info"
+      package: "wolf_ros_gauss"
+      period: 0.5
+      follow: "publisher_rpa_state_info.yaml"
+    -
+      type: "PublisherRpaPositioningInfo"
+      topic: "rpa_positioning_info"
+      package: "wolf_ros_gauss"
+      period: 0.5
+      sensor: "gnss"
+    -
+      type: "PublisherPose"
+      topic: "current_pose"
+      package: "wolf_ros_node"
+      marker_color: [1,0,0,1]
+      line_size: 5
+      period: 0.2
+      extrinsics: true
+      sensor: "gnss"
+      frame_id: "ENU"
+      max_points: 10000
+    -
+      type: "PublisherGnssTf"
+      topic: " "
+      package: "wolf_ros_gnss"
+      period: 0.01
+      sensor_gnss_name: "gnss"
+    -
+      type: "PublisherTf"
+      topic: " "
+      package: "wolf_ros_node"
+      period: 0.2
+      map_frame_id: "map"
+      odom_frame_id: "odom"
+      base_frame_id: "base"
+      publish_odom_tf: false
+    -
+      type: "PublisherGraph"
+      topic: "graph"
+      package: "wolf_ros_node"
+      period: 0.2
+      viz_scale: 50
+    -
+      type: "PublisherTrackerGnssInfo"
+      topic: "gnss_tracker"
+      package: "wolf_ros_gnss"
+      period: 0.2
+      processor_gnss: "processor gnss"
\ No newline at end of file
diff --git a/yaml/tucan/params_3.yaml b/yaml/tucan/params_3.yaml
new file mode 100644
index 0000000000000000000000000000000000000000..c453c8d3520d02a23f91c39fbe24e4c66fb8341e
--- /dev/null
+++ b/yaml/tucan/params_3.yaml
@@ -0,0 +1,161 @@
+config:
+  debug: 
+    profiling: true
+    profiling_file: "~/profiling_tucan.txt"
+    print_problem: false
+    print_period: 1
+    print_depth: 4
+    print_constr_by: false
+    print_metric: true
+    print_state_blocks: false
+    
+  problem:
+    frame_structure: "POV"
+    dimension: 3
+    tree_manager:
+      follow: "../tree_manager/sliding_window_20_0.yaml" 
+    prior:
+      follow: "../prior/POV_fix.yaml"
+      
+  solver:
+    follow: "solver.yaml"
+      
+  map:
+    type: "MapBase"
+    plugin: "core"
+    
+  sensors:
+    -
+      type: "SensorImu"
+      name: "IMU_odometer"
+      plugin: "imu"
+      follow: "../sensor_bno.yaml"
+    #-
+    #  type: "SensorCompass"
+    #  name: "compass"
+    #  plugin: "imu"
+    #  follow: "sensor_bno_compass.yaml"
+    -
+      type: "SensorGnss"
+      name: "gnss"
+      plugin: "gnss"
+      extrinsic:
+         pose: [0.30, 0, -0.05] # TUCAN
+      follow: "../sensor_f9t.yaml"
+    -
+      type: "SensorModel"
+      name: "dynamic_model"
+      plugin: "core"
+
+  processors:
+    -
+      type: "ProcessorImu"
+      name: "processor IMU"
+      sensor_name: "IMU_odometer"
+      plugin: "imu"
+      follow: "../processor_imu.yaml"
+    #-
+    #  type: "ProcessorCompass"
+    #  name: "processor compass"
+    #  sensor_name: "compass"
+    #  plugin: "imu"
+    #  follow: "../processor_compass.yaml"
+    -
+      type: "ProcessorTrackerGnss"
+      name: "processor gnss"
+      sensor_name: "gnss"
+      plugin: "gnss"
+      follow: "processor_gnss_3.yaml"
+    -
+      type: "ProcessorFixWingModel"
+      name: "processor fix wing"
+      sensor_name: "dynamic_model"
+      plugin: "core"
+      follow: "processor_fix_wing.yaml"
+      
+  ROS subscriber:
+    -
+      type: "SubscriberGnssUblox"
+      topic: "/ublox_gps/raw_data_stream"
+      sensor_name: "gnss"
+      package: "wolf_ros_gnss"
+      follow: "../subscriber_gnss_ublox_3.yaml"
+    -
+      type: "SubscriberImuEnableable"
+      topic: "/bno055_imu/imu"
+      sensor_name: "IMU_odometer"
+      package: "wolf_ros_imu"
+      follow: "subscriber_imu.yaml"
+    #-
+    #  type: "SubscriberCompass"
+    #  topic: "/bno055_imu/magnetometer"
+    #  sensor_name: "compass"
+    #  package: "wolf_ros_imu"
+    #  follow: "subscriber_imu.yaml"
+    -
+      type: "SubscriberGnssFixPublisherEcef"
+      topic: "/ublox_gps/fix" 
+      sensor_name: "gnss"
+      package: "wolf_ros_gnss"
+      marker_color: [0,0,1,1]
+      line_size: 5
+      period: 0.2
+      max_points: 10000
+      
+  ROS publisher:
+    -
+      type: "PublisherUbxNavPVT"
+      topic: "/ublox_emulator/nav_pvt9"
+      package: "wolf_ros_gauss"
+      period: 0.1
+      sensor: "gnss"
+    -
+      type: "PublisherRpaStateInfo"
+      topic: "rpa_state_info"
+      package: "wolf_ros_gauss"
+      period: 0.5
+      follow: "publisher_rpa_state_info.yaml"
+    -
+      type: "PublisherRpaPositioningInfo"
+      topic: "rpa_positioning_info"
+      package: "wolf_ros_gauss"
+      period: 0.5
+      sensor: "gnss"
+    -
+      type: "PublisherPose"
+      topic: "current_pose"
+      package: "wolf_ros_node"
+      marker_color: [1,0,0,1]
+      line_size: 5
+      period: 0.2
+      extrinsics: true
+      sensor: "gnss"
+      frame_id: "ENU"
+      max_points: 10000
+    -
+      type: "PublisherGnssTf"
+      topic: " "
+      package: "wolf_ros_gnss"
+      period: 0.01
+      sensor_gnss_name: "gnss"
+    -
+      type: "PublisherTf"
+      topic: " "
+      package: "wolf_ros_node"
+      period: 0.2
+      map_frame_id: "map"
+      odom_frame_id: "odom"
+      base_frame_id: "base"
+      publish_odom_tf: false
+    -
+      type: "PublisherGraph"
+      topic: "graph"
+      package: "wolf_ros_node"
+      period: 0.2
+      viz_scale: 50
+    -
+      type: "PublisherTrackerGnssInfo"
+      topic: "gnss_tracker"
+      package: "wolf_ros_gnss"
+      period: 0.2
+      processor_gnss: "processor gnss"
\ No newline at end of file
diff --git a/yaml/tucan/params_4.yaml b/yaml/tucan/params_4.yaml
new file mode 100644
index 0000000000000000000000000000000000000000..c453c8d3520d02a23f91c39fbe24e4c66fb8341e
--- /dev/null
+++ b/yaml/tucan/params_4.yaml
@@ -0,0 +1,161 @@
+config:
+  debug: 
+    profiling: true
+    profiling_file: "~/profiling_tucan.txt"
+    print_problem: false
+    print_period: 1
+    print_depth: 4
+    print_constr_by: false
+    print_metric: true
+    print_state_blocks: false
+    
+  problem:
+    frame_structure: "POV"
+    dimension: 3
+    tree_manager:
+      follow: "../tree_manager/sliding_window_20_0.yaml" 
+    prior:
+      follow: "../prior/POV_fix.yaml"
+      
+  solver:
+    follow: "solver.yaml"
+      
+  map:
+    type: "MapBase"
+    plugin: "core"
+    
+  sensors:
+    -
+      type: "SensorImu"
+      name: "IMU_odometer"
+      plugin: "imu"
+      follow: "../sensor_bno.yaml"
+    #-
+    #  type: "SensorCompass"
+    #  name: "compass"
+    #  plugin: "imu"
+    #  follow: "sensor_bno_compass.yaml"
+    -
+      type: "SensorGnss"
+      name: "gnss"
+      plugin: "gnss"
+      extrinsic:
+         pose: [0.30, 0, -0.05] # TUCAN
+      follow: "../sensor_f9t.yaml"
+    -
+      type: "SensorModel"
+      name: "dynamic_model"
+      plugin: "core"
+
+  processors:
+    -
+      type: "ProcessorImu"
+      name: "processor IMU"
+      sensor_name: "IMU_odometer"
+      plugin: "imu"
+      follow: "../processor_imu.yaml"
+    #-
+    #  type: "ProcessorCompass"
+    #  name: "processor compass"
+    #  sensor_name: "compass"
+    #  plugin: "imu"
+    #  follow: "../processor_compass.yaml"
+    -
+      type: "ProcessorTrackerGnss"
+      name: "processor gnss"
+      sensor_name: "gnss"
+      plugin: "gnss"
+      follow: "processor_gnss_3.yaml"
+    -
+      type: "ProcessorFixWingModel"
+      name: "processor fix wing"
+      sensor_name: "dynamic_model"
+      plugin: "core"
+      follow: "processor_fix_wing.yaml"
+      
+  ROS subscriber:
+    -
+      type: "SubscriberGnssUblox"
+      topic: "/ublox_gps/raw_data_stream"
+      sensor_name: "gnss"
+      package: "wolf_ros_gnss"
+      follow: "../subscriber_gnss_ublox_3.yaml"
+    -
+      type: "SubscriberImuEnableable"
+      topic: "/bno055_imu/imu"
+      sensor_name: "IMU_odometer"
+      package: "wolf_ros_imu"
+      follow: "subscriber_imu.yaml"
+    #-
+    #  type: "SubscriberCompass"
+    #  topic: "/bno055_imu/magnetometer"
+    #  sensor_name: "compass"
+    #  package: "wolf_ros_imu"
+    #  follow: "subscriber_imu.yaml"
+    -
+      type: "SubscriberGnssFixPublisherEcef"
+      topic: "/ublox_gps/fix" 
+      sensor_name: "gnss"
+      package: "wolf_ros_gnss"
+      marker_color: [0,0,1,1]
+      line_size: 5
+      period: 0.2
+      max_points: 10000
+      
+  ROS publisher:
+    -
+      type: "PublisherUbxNavPVT"
+      topic: "/ublox_emulator/nav_pvt9"
+      package: "wolf_ros_gauss"
+      period: 0.1
+      sensor: "gnss"
+    -
+      type: "PublisherRpaStateInfo"
+      topic: "rpa_state_info"
+      package: "wolf_ros_gauss"
+      period: 0.5
+      follow: "publisher_rpa_state_info.yaml"
+    -
+      type: "PublisherRpaPositioningInfo"
+      topic: "rpa_positioning_info"
+      package: "wolf_ros_gauss"
+      period: 0.5
+      sensor: "gnss"
+    -
+      type: "PublisherPose"
+      topic: "current_pose"
+      package: "wolf_ros_node"
+      marker_color: [1,0,0,1]
+      line_size: 5
+      period: 0.2
+      extrinsics: true
+      sensor: "gnss"
+      frame_id: "ENU"
+      max_points: 10000
+    -
+      type: "PublisherGnssTf"
+      topic: " "
+      package: "wolf_ros_gnss"
+      period: 0.01
+      sensor_gnss_name: "gnss"
+    -
+      type: "PublisherTf"
+      topic: " "
+      package: "wolf_ros_node"
+      period: 0.2
+      map_frame_id: "map"
+      odom_frame_id: "odom"
+      base_frame_id: "base"
+      publish_odom_tf: false
+    -
+      type: "PublisherGraph"
+      topic: "graph"
+      package: "wolf_ros_node"
+      period: 0.2
+      viz_scale: 50
+    -
+      type: "PublisherTrackerGnssInfo"
+      topic: "gnss_tracker"
+      package: "wolf_ros_gnss"
+      period: 0.2
+      processor_gnss: "processor gnss"
\ No newline at end of file
diff --git a/yaml/tucan/processor_gnss.yaml b/yaml/tucan/processor_gnss.yaml
index 8712d1a3c5ef3000e15ab6254d0204d3ac90cb21..f9016bd04333c4cca66e404d8bb44d88b219655d 100644
--- a/yaml/tucan/processor_gnss.yaml
+++ b/yaml/tucan/processor_gnss.yaml
@@ -24,7 +24,7 @@ gnss:
   constellations:
     GPS: true
     SBS: false
-    GLO: true
+    GLO: false
     GAL: true
     QZS: false
     CMP: false
diff --git a/yaml/tucan/processor_gnss_2.yaml b/yaml/tucan/processor_gnss_2.yaml
new file mode 100644
index 0000000000000000000000000000000000000000..0af73990647fbfdbcc5d9239ea7b20f7a3f13fe7
--- /dev/null
+++ b/yaml/tucan/processor_gnss_2.yaml
@@ -0,0 +1,45 @@
+time_tolerance: 0.1
+apply_loss_function: false
+max_new_features: -1 #unlimited
+remove_outliers: true
+remove_outliers_with_fix: true
+outlier_residual_th: 10
+init_frames: false
+pseudo_ranges: true
+fix: false
+enu_map_fix_dist: 5
+keyframe_vote:
+  voting_active: true
+  max_time_span: 0.5
+  min_features_for_keyframe: 0 #4
+gnss:
+  sateph: 0    # satellite ephemeris/clock: EPHOPT_BRDC(0):broadcast ephemeris, EPHOPT_PREC(1): precise ephemeris, EPHOPT_SBAS(2): broadcast + SBAS, EPHOPT_SSRAPC(3): broadcast + SSR_APC, EPHOPT_SSRCOM(4): broadcast + SSR_COM, EPHOPT_LEX(5): QZSS LEX ephemeris, EPHOPT_SBAS2(6):broadcast + SBAS(sats with SBAS corr and sats with BRDC eph), EPHOPT_SBAS3(7):broadcast + SBAS(EPHOPT_SBAS if possible, otherwise EPHOPT_SBAS2), EPHOPT_SBAS4(8):broadcast + SBAS(EPHOPT_SBAS if possible, otherwise EPHOPT_BRDC)
+  ionoopt: 1   # ionosphere option: IONOOPT_OFF(0):correction off, IONOOPT_BRDC(1):broadcast mode, IONOOPT_SBAS(2):SBAS model, IONOOPT_IFLC(3):L1/L2 or L1/L5, IONOOPT_EST(4):estimation, IONOOPT_TEC(5):IONEX TEC model, IONOOPT_QZS(6):QZSS broadcast, IONOOPT_LEX(7):QZSS LEX ionosphere, IONOOPT_STEC(8):SLANT TEC mode, IONOOPT_SBAS2(9):broadcast + SBAS(sats with SBAS corr and sats with BRDC eph), IONOOPT_SBAS3(10):broadcast + SBAS(IONOOPT_SBAS if possible, otherwise IONOOPT_SBAS2), IONOOPT_SBAS4(8):broadcast + SBAS(IONOOPT_SBAS if possible, otherwise IONOOPT_BRDC)
+  tropopt: 1   # troposphere option: (0:correction off,1:Saastamoinen model,2:SBAS model,3:troposphere option: ZTD estimation,4:ZTD+grad estimation,5:ZTD correction,6:ZTD+grad correction)
+  sbascorr: 15 # SBAS option (1:long term correction,2:fast correction,4:ionosphere correction,8:ranging)
+  raim: 1      # apply RAIM
+  elmin: 0.26  # elevation min (rad) = 15 degrees
+  maxgdop: 30  # reject threshold of gdop (ground dilusion of precision)
+  min_sbas_sats: 5 # used in case of EPHOPT_SBAS3, EPHOPT_SBAS4, IONOOPT_SBAS3, IONOOPT_SBAS4
+  constellations:
+    GPS: true
+    SBS: false
+    GLO: false
+    GAL: true
+    QZS: false
+    CMP: false
+    IRN: false
+    LEO: false
+  tdcp:
+    enabled: true
+    structure: consecutive
+    corr_iono: true
+    corr_tropo: true
+    corr_clock: true
+    loss_function: false
+    time_window: 10      # s
+    sigma_atm: 0.0016 #1.6mm/sqrt(s)       # m/sqrt(s)
+    sigma_carrier: 0.0011 #1.1mm/sqrt(s)   # m
+    multi_freq: false
+    remove_outliers: false
+    batch: false
\ No newline at end of file
diff --git a/yaml/tucan/processor_gnss_3.yaml b/yaml/tucan/processor_gnss_3.yaml
new file mode 100644
index 0000000000000000000000000000000000000000..0483aece09c007f8c00054a87ac1fa3cf658ebc4
--- /dev/null
+++ b/yaml/tucan/processor_gnss_3.yaml
@@ -0,0 +1,45 @@
+time_tolerance: 0.1
+apply_loss_function: false
+max_new_features: -1 #unlimited
+remove_outliers: true
+remove_outliers_with_fix: true
+outlier_residual_th: 10
+init_frames: false
+pseudo_ranges: true
+fix: false
+enu_map_fix_dist: 5
+keyframe_vote:
+  voting_active: true
+  max_time_span: 0.5
+  min_features_for_keyframe: 0 #4
+gnss:
+  sateph: 6    # satellite ephemeris/clock: EPHOPT_BRDC(0):broadcast ephemeris, EPHOPT_PREC(1): precise ephemeris, EPHOPT_SBAS(2): broadcast + SBAS, EPHOPT_SSRAPC(3): broadcast + SSR_APC, EPHOPT_SSRCOM(4): broadcast + SSR_COM, EPHOPT_LEX(5): QZSS LEX ephemeris, EPHOPT_SBAS2(6):broadcast + SBAS(sats with SBAS corr and sats with BRDC eph), EPHOPT_SBAS3(7):broadcast + SBAS(EPHOPT_SBAS if possible, otherwise EPHOPT_SBAS2), EPHOPT_SBAS4(8):broadcast + SBAS(EPHOPT_SBAS if possible, otherwise EPHOPT_BRDC)
+  ionoopt: 9   # ionosphere option: IONOOPT_OFF(0):correction off, IONOOPT_BRDC(1):broadcast mode, IONOOPT_SBAS(2):SBAS model, IONOOPT_IFLC(3):L1/L2 or L1/L5, IONOOPT_EST(4):estimation, IONOOPT_TEC(5):IONEX TEC model, IONOOPT_QZS(6):QZSS broadcast, IONOOPT_LEX(7):QZSS LEX ionosphere, IONOOPT_STEC(8):SLANT TEC mode, IONOOPT_SBAS2(9):broadcast + SBAS(sats with SBAS corr and sats with BRDC eph), IONOOPT_SBAS3(10):broadcast + SBAS(IONOOPT_SBAS if possible, otherwise IONOOPT_SBAS2), IONOOPT_SBAS4(8):broadcast + SBAS(IONOOPT_SBAS if possible, otherwise IONOOPT_BRDC)
+  tropopt: 2   # troposphere option: (0:correction off,1:Saastamoinen model,2:SBAS model,3:troposphere option: ZTD estimation,4:ZTD+grad estimation,5:ZTD correction,6:ZTD+grad correction)
+  sbascorr: 15 # SBAS option (1:long term correction,2:fast correction,4:ionosphere correction,8:ranging)
+  raim: 1      # apply RAIM
+  elmin: 0.26  # elevation min (rad) = 15 degrees
+  maxgdop: 30  # reject threshold of gdop (ground dilusion of precision)
+  min_sbas_sats: 5 # used in case of EPHOPT_SBAS3, EPHOPT_SBAS4, IONOOPT_SBAS3, IONOOPT_SBAS4
+  constellations:
+    GPS: true
+    SBS: false
+    GLO: false
+    GAL: false
+    QZS: false
+    CMP: false
+    IRN: false
+    LEO: false
+  tdcp:
+    enabled: true
+    structure: consecutive
+    corr_iono: true
+    corr_tropo: true
+    corr_clock: true
+    loss_function: false
+    time_window: 10      # s
+    sigma_atm: 0.0016 #1.6mm/sqrt(s)       # m/sqrt(s)
+    sigma_carrier: 0.0011 #1.1mm/sqrt(s)   # m
+    multi_freq: false
+    remove_outliers: false
+    batch: false
\ No newline at end of file
diff --git a/yaml/tucan/processor_gnss_4.yaml b/yaml/tucan/processor_gnss_4.yaml
new file mode 100644
index 0000000000000000000000000000000000000000..25c554acbc4d6c7f11caaedaa26a639e3dbf58a7
--- /dev/null
+++ b/yaml/tucan/processor_gnss_4.yaml
@@ -0,0 +1,45 @@
+time_tolerance: 0.1
+apply_loss_function: false
+max_new_features: -1 #unlimited
+remove_outliers: true
+remove_outliers_with_fix: true
+outlier_residual_th: 10
+init_frames: false
+pseudo_ranges: true
+fix: false
+enu_map_fix_dist: 5
+keyframe_vote:
+  voting_active: true
+  max_time_span: 0.5
+  min_features_for_keyframe: 0 #4
+gnss:
+  sateph: 0    # satellite ephemeris/clock: EPHOPT_BRDC(0):broadcast ephemeris, EPHOPT_PREC(1): precise ephemeris, EPHOPT_SBAS(2): broadcast + SBAS, EPHOPT_SSRAPC(3): broadcast + SSR_APC, EPHOPT_SSRCOM(4): broadcast + SSR_COM, EPHOPT_LEX(5): QZSS LEX ephemeris, EPHOPT_SBAS2(6):broadcast + SBAS(sats with SBAS corr and sats with BRDC eph), EPHOPT_SBAS3(7):broadcast + SBAS(EPHOPT_SBAS if possible, otherwise EPHOPT_SBAS2), EPHOPT_SBAS4(8):broadcast + SBAS(EPHOPT_SBAS if possible, otherwise EPHOPT_BRDC)
+  ionoopt: 1   # ionosphere option: IONOOPT_OFF(0):correction off, IONOOPT_BRDC(1):broadcast mode, IONOOPT_SBAS(2):SBAS model, IONOOPT_IFLC(3):L1/L2 or L1/L5, IONOOPT_EST(4):estimation, IONOOPT_TEC(5):IONEX TEC model, IONOOPT_QZS(6):QZSS broadcast, IONOOPT_LEX(7):QZSS LEX ionosphere, IONOOPT_STEC(8):SLANT TEC mode, IONOOPT_SBAS2(9):broadcast + SBAS(sats with SBAS corr and sats with BRDC eph), IONOOPT_SBAS3(10):broadcast + SBAS(IONOOPT_SBAS if possible, otherwise IONOOPT_SBAS2), IONOOPT_SBAS4(8):broadcast + SBAS(IONOOPT_SBAS if possible, otherwise IONOOPT_BRDC)
+  tropopt: 1   # troposphere option: (0:correction off,1:Saastamoinen model,2:SBAS model,3:troposphere option: ZTD estimation,4:ZTD+grad estimation,5:ZTD correction,6:ZTD+grad correction)
+  sbascorr: 15 # SBAS option (1:long term correction,2:fast correction,4:ionosphere correction,8:ranging)
+  raim: 1      # apply RAIM
+  elmin: 0.26  # elevation min (rad) = 15 degrees
+  maxgdop: 30  # reject threshold of gdop (ground dilusion of precision)
+  min_sbas_sats: 5 # used in case of EPHOPT_SBAS3, EPHOPT_SBAS4, IONOOPT_SBAS3, IONOOPT_SBAS4
+  constellations:
+    GPS: true
+    SBS: false
+    GLO: false
+    GAL: false
+    QZS: false
+    CMP: false
+    IRN: false
+    LEO: false
+  tdcp:
+    enabled: true
+    structure: consecutive
+    corr_iono: true
+    corr_tropo: true
+    corr_clock: true
+    loss_function: false
+    time_window: 10      # s
+    sigma_atm: 0.0016 #1.6mm/sqrt(s)       # m/sqrt(s)
+    sigma_carrier: 0.0011 #1.1mm/sqrt(s)   # m
+    multi_freq: false
+    remove_outliers: false
+    batch: false
\ No newline at end of file
diff --git a/yaml/tucan/solver.yaml b/yaml/tucan/solver.yaml
new file mode 100644
index 0000000000000000000000000000000000000000..1c191d025b51fbea8fcd31cd5d2cac3e532ef5b6
--- /dev/null
+++ b/yaml/tucan/solver.yaml
@@ -0,0 +1,16 @@
+verbose: 0
+period: 0.0
+n_threads: 2
+
+compute_cov: true
+cov_enum: 4 #GAUSS_TUCAN
+cov_period: 1
+
+max_num_iterations: 20
+minimizer: "LEVENBERG_MARQUARDT"
+update_immediately: false
+min_num_iterations: 5                  #if update_immediately
+function_tolerance: 0.000001
+gradient_tolerance: 0.0000000001
+use_nonmonotonic_steps: false          # if LEVENBERG_MARQUARDT or DOGLEG
+max_consecutive_nonmonotonic_steps: 5  # if use_nonmonotonic_steps