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Reduced meteor bandwidth for better S/N

pull/131/head
Pascal 3 years ago
parent
commit
6e9ad545cf
2 changed files with 4 additions and 4 deletions
  1. +3
    -3
      receive.sh
  2. +1
    -1
      receive_meteor.sh

+ 3
- 3
receive.sh View File

@@ -30,7 +30,7 @@ fi
# $6 = Time to capture
# $7 = Satellite max elevation

log "Starting rtl_fm record" "INFO"
log "Starting rtl_fm record for $1 at $2 to $3 at epoch $5" "INFO"
timeout "${6}" /usr/local/bin/rtl_fm ${BIAS_TEE} -f "${2}"M -s 60k $GAIN -p $PPM_ERROR -E wav -E deemp -F 9 - | /usr/bin/sox -t raw -e signed -c 1 -b 16 -r 60000 - "${RAMFS_AUDIO}/audio/${3}.wav" rate 11025

if [ "${SUN_ELEV}" -gt "${SUN_MIN_ELEV}" ]; then
@@ -41,7 +41,7 @@ else
daylight="false"
fi

log "Bulding pass map wxtoimg " "INFO"
log "Bulding pass map wxtoimg" "INFO"
/usr/local/bin/wxmap -T "${1}" -H "${4}" -p 0 -l 0 -o "${PASS_START}" "${NOAA_HOME}/map/${3}-map.png"
for i in $ENHANCEMENTS; do
log "Decoding image" "INFO"
@@ -50,7 +50,7 @@ for i in $ENHANCEMENTS; do
/usr/bin/convert -thumbnail 300 "${NOAA_OUTPUT}/images/${3}-$i.jpg" "${NOAA_OUTPUT}/images/thumb/${3}-$i.jpg"
done

log "Building noaa-apt maps"
log "Building noaa-apt maps" DEBUG
noaa-apt "${RAMFS_AUDIO}/audio/${3}.wav" -R auto -m yes -o "${NOAA_OUTPUT}/images/${3}-noaa-apt.png"
/usr/bin/convert -quality 98 -format jpg "${NOAA_OUTPUT}/images/${3}-noaa-apt.png" -undercolor black -fill yellow -pointsize 18 -annotate +20+20 "${1} $i ${START_DATE} Elev: $7°" "${NOAA_OUTPUT}/images/${3}-noaa-apt.jpg"
/usr/bin/convert -thumbnail 300 "${NOAA_OUTPUT}/images/${3}-noaa-apt.jpg" "${NOAA_OUTPUT}/images/thumb/${3}-noaa-apt.jpg"


+ 1
- 1
receive_meteor.sh View File

@@ -43,7 +43,7 @@ fi
# $7 = Satellite max elevation

log "Starting rtl_fm record" "INFO"
timeout "${6}" /usr/local/bin/rtl_fm ${BIAS_TEE} -p $PPM_ERROR -M raw -f "${2}"M -s 288k $GAIN | sox -t raw -r 288k -c 2 -b 16 -e s - -t wav "${RAMFS_AUDIO}/audio/${3}.wav" #rate 96k
timeout "${6}" /usr/local/bin/rtl_fm ${BIAS_TEE} -p $PPM_ERROR -M raw -f "${2}"M -s 144k $GAIN | sox -t raw -r 144k -c 2 -b 16 -e s - -t wav "${RAMFS_AUDIO}/audio/${3}.wav" #rate 96k

log "Demodulation in progress (QPSK)" "INFO"
[ $1 = "METEOR-M2 2"] && demod_extra="-m opsk"


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