satnogs-clientでMETEOR M2-3を処理するpost-observation script

postob2.sh

#!/bin/sh
# POST OBSERVATION SCRIPT for METEOR

ID="$1"
TLE="$3"
DATE="$4"

# check METEOR M2-3&4
NORAD=$(echo "$TLE" | jq .tle2 | awk '{print $2}')

if [ ${NORAD} -ne "57166" ] && [ ${NORAD} -ne "59051" ]
then
  exit
fi

# decode LRPT
demod=/usr/local/bin/meteor_demod
decode=/usr/local/bin/meteor_decode
convert=/usr/bin/convert

cp /tmp/.satnogs/iq.dat /tmp/${ID}.dat

if [ $(date '+%H') -gt 17 ]; then

# IR-image
  echo "RUNNING IR-image SCRIPT for " $NORAD
  ${demod} --batch --quiet -O 8 -f 128 -r 72000 -s 160000 -m oqpsk --bps 16 /tmp/${ID}.dat --stdout - | \
  ${decode} --diff -a 67,67,67 -o /tmp/foo.png -

  # invert colors and improve contrast
  if [ -e /tmp/foo.png ]; then
    ${convert} -negate -normalize /tmp/foo.png /tmp/.satnogs/data/data_${ID}_${DATE}.png
    rm -f /tmp/foo.png
  fi

else

# Visible-image
  echo "RUNNING Visible-image SCRIPT for " $NORAD
  ${demod} --batch --quiet -O 8 -f 128 -r 72000 -s 160000 -m oqpsk --bps 16 /tmp/${ID}.dat --stdout - | \
  ${decode} --diff -a 65,65,64 -o /tmp/.satnogs/data/data_${ID}_${DATE}.png -

fi

rm -f /tmp/${ID}.dat

echo "POST OBSERVATION SCRIPT FINISHED"