diff --git a/modem/codec2.py b/modem/codec2.py
index c716df80..e83d06b6 100644
--- a/modem/codec2.py
+++ b/modem/codec2.py
@@ -585,14 +585,14 @@ data_ofdm_500_config.config.contents.tx_uw = create_tx_uw(16, [1, 1, 0, 0, 1, 0,
 # ---------------- OFDM 2438 Hz Bandwidth 16200,9720 ---------------#
 data_ofdm_2438_config = create_default_ofdm_config()
 data_ofdm_2438_config.config.contents.ns = 5
-data_ofdm_2438_config.config.contents.np = 51
-data_ofdm_2438_config.config.contents.tcp = 0.005
-data_ofdm_2438_config.config.contents.ts = 0.018
+data_ofdm_2438_config.config.contents.np = 52
+data_ofdm_2438_config.config.contents.tcp = 0.004
+data_ofdm_2438_config.config.contents.ts = 0.016
 data_ofdm_2438_config.config.contents.rs = 1.0 / data_ofdm_2438_config.config.contents.ts
 data_ofdm_2438_config.config.contents.nc = 39
 data_ofdm_2438_config.config.contents.nuwbits = 24
 data_ofdm_2438_config.config.contents.timing_mx_thresh = 0.10
-data_ofdm_2438_config.config.contents.bad_uw_errors = 8
+data_ofdm_2438_config.config.contents.bad_uw_errors = 12
 data_ofdm_2438_config.config.contents.amp_est_mode = 0
 data_ofdm_2438_config.config.contents.amp_scale = 145E3
 data_ofdm_2438_config.config.contents.codename = b"H_16200_9720"
diff --git a/modem/demodulator.py b/modem/demodulator.py
index 3eec24e0..cf1d6f08 100644
--- a/modem/demodulator.py
+++ b/modem/demodulator.py
@@ -51,7 +51,7 @@ class Demodulator():
         self.MODE_DICT[codec2.FREEDV_MODE.signalling.value]["decode"] = True
         self.MODE_DICT[codec2.FREEDV_MODE.signalling_ack.value]["decode"] = True
         self.MODE_DICT[codec2.FREEDV_MODE.data_ofdm_2438.value]["decode"] = True
-        self.MODE_DICT[codec2.FREEDV_MODE.data_ofdm_500.value]["decode"] = True
+        #self.MODE_DICT[codec2.FREEDV_MODE.qam16c2.value]["decode"] = True
 
 
         tci_rx_callback_thread = threading.Thread(