echograms: cap width at 30in; relax 200kHz BGN to -110dB

Author: beatfactor

oceanstream/echodata/config.py

@@ -105,7 +105,7 @@
             "range_window": 15,
             "ping_window": 40,
             "SNR_threshold": "3.0dB",
-            "background_noise_max": "-115.0dB",
+            "background_noise_max": "-110.0dB",
         },
         "transient": {
             "exclude_above": 100.0,

scripts/batch_processing/build_full_survey.py

@@ -1118,7 +1118,7 @@ def _plot_perday_echogram(
         pulse_mode = ds["pulse_mode"].values[valid_pings]
 
     has_pulse = pulse_mode is not None
-    width = min(60, max(12, n_pings * 0.003))
+    width = min(30, max(12, n_pings * 0.001))
 
     if has_pulse:
         from matplotlib.gridspec import GridSpec