From c143c87d64f521017b0cceda7f5ebbce9fe7c642 Mon Sep 17 00:00:00 2001
From: DJ2LS <75909252+DJ2LS@users.noreply.github.com>
Date: Fri, 23 Dec 2022 21:06:42 +0100
Subject: [PATCH] fixing #305

---
 tnc/modem.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tnc/modem.py b/tnc/modem.py
index 9410310a..fec6713a 100644
--- a/tnc/modem.py
+++ b/tnc/modem.py
@@ -941,7 +941,7 @@ class RF:
                         # calculate dbfs every 50 cycles for reducing CPU load
                         rms_counter += 1
                         if rms_counter > 50:
-                            d = np.frombuffer(self.fft_data, np.int16).astype(np.float)
+                            d = np.frombuffer(self.fft_data, np.int16).astype(np.float32)
                             # calculate RMS and then dBFS
                             # TODO: Need to change static.AUDIO_RMS to AUDIO_DBFS somewhen
                             # https://dsp.stackexchange.com/questions/8785/how-to-compute-dbfs