changed the syntax of gain to allow autop_gain

receive.sh

@@ -31,7 +31,7 @@ fi
 # $7 = Satellite max elevation
 
 log "Starting rtl_fm record" "INFO"
-timeout "${6}" /usr/local/bin/rtl_fm ${BIAS_TEE} -f "${2}"M -s 60k -g $GAIN -E wav -E deemp -F 9 - | /usr/bin/sox -t raw -e signed -c 1 -b 16 -r 60000 - "${RAMFS_AUDIO}/audio/${3}.wav" rate 11025
+timeout "${6}" /usr/local/bin/rtl_fm ${BIAS_TEE} -f "${2}"M -s 60k $GAIN -E wav -E deemp -F 9 - | /usr/bin/sox -t raw -e signed -c 1 -b 16 -r 60000 - "${RAMFS_AUDIO}/audio/${3}.wav" rate 11025
 
 if [ "${SUN_ELEV}" -gt "${SUN_MIN_ELEV}" ]; then
 	ENHANCEMENTS="ZA MCIR MCIR-precip MSA MSA-precip HVC-precip HVCT-precip HVC HVCT"

receive_iss.sh

@@ -26,7 +26,7 @@ fi
 # $7 = Satellite max elevation
 
 log "Starting rtl_fm record" "INFO"
-timeout "${6}" /usr/local/bin/rtl_fm ${BIAS_TEE} -M fm -f 145.8M -s 48k -g $GAIN -E dc -E wav -E deemp -F 9 - | sox -t raw -r 48k -c 1 -b 16 -e s - -t wav "${NOAA_OUTPUT}/audio/${3}.wav" rate 11025
+timeout "${6}" /usr/local/bin/rtl_fm ${BIAS_TEE} -M fm -f 145.8M -s 48k $GAIN -E dc -E wav -E deemp -F 9 - | sox -t raw -r 48k -c 1 -b 16 -e s - -t wav "${NOAA_OUTPUT}/audio/${3}.wav" rate 11025
 
 if [ -f "$NOAA_HOME/demod.py" ]; then
     log "Decoding ISS pass" "INFO"

receive_meteor.sh

@@ -43,7 +43,7 @@ fi
 # $7 = Satellite max elevation
 
 log "Starting rtl_fm record" "INFO"
-timeout "${6}" /usr/local/bin/rtl_fm ${BIAS_TEE} -M raw -f "${2}"M -s 288k -g $GAIN | sox -t raw -r 288k -c 2 -b 16 -e s - -t wav "${RAMFS_AUDIO}/audio/${3}.wav" rate 96k
+timeout "${6}" /usr/local/bin/rtl_fm ${BIAS_TEE} -M raw -f "${2}"M -s 288k $GAIN | sox -t raw -r 288k -c 2 -b 16 -e s - -t wav "${RAMFS_AUDIO}/audio/${3}.wav" rate 96k
 
 log "Demodulation in progress (QPSK)" "INFO"
 meteor_demod -B -o "${METEOR_OUTPUT}/${3}.qpsk" "${RAMFS_AUDIO}/audio/${3}.wav"

templates/noaa.conf

@@ -11,5 +11,5 @@ LON=change_longitude
 BIAS_TEE="enable_bias_tee"
 DELETE_AUDIO="true"
 FLIP_METEOR_IMG="true"
-GAIN=50
+GAIN="-g 50"
 SCHEDULE_ISS="false"