Переглянути джерело

Add support for ISS SSTV channel

tags/v1.0
Nico Rey 5 роки тому
джерело
коміт
262a08983c
3 змінених файлів з 43 додано та 0 видалено
  1. +3
    -0
      receive_iss.sh
  2. +3
    -0
      schedule.sh
  3. +37
    -0
      schedule_iss.sh

+ 3
- 0
receive_iss.sh Переглянути файл

@@ -0,0 +1,3 @@
#!/bin/sh
datetime=$(date +"%Y%m%d-%H%M%S")
timeout 660 /usr/local/bin/rtl_fm -M fm -f 145.8M -s 48k -g 50 -p 55 -E wav -E deemp -F 9 - | /usr/bin/sox -t raw -e signed -c 1 -b 16 -r 48000 - /usr/share/html/audio/iss-$datetime.wav rate 11025

+ 3
- 0
schedule.sh Переглянути файл

@@ -6,9 +6,11 @@
. ~/.noaa.conf

wget -qr https://www.celestrak.com/NORAD/elements/weather.txt -O "${NOAA_HOME}"/predict/weather.txt
wget -qr http://www.celestrak.com/NORAD/elements/amateur.txt -O "${NOAA_HOME}"/predict/amateur.txt
grep "NOAA 15" "${NOAA_HOME}"/predict/weather.txt -A 2 > "${NOAA_HOME}"/predict/weather.tle
grep "NOAA 18" "${NOAA_HOME}"/predict/weather.txt -A 2 >> "${NOAA_HOME}"/predict/weather.tle
grep "NOAA 19" "${NOAA_HOME}"/predict/weather.txt -A 2 >> "${NOAA_HOME}"/predict/weather.tle
grep "ZARYA" "${NOAA_HOME}"/predict/amateur.txt -A 2 > "${NOAA_HOME}"/predict/amateur.tle

#Remove all AT jobs
for i in $(atq | awk '{print $1}');do atrm "$i";done
@@ -17,3 +19,4 @@ for i in $(atq | awk '{print $1}');do atrm "$i";done
"${NOAA_HOME}"/schedule_sat.sh "NOAA 19" 137.1000
"${NOAA_HOME}"/schedule_sat.sh "NOAA 18" 137.9125
"${NOAA_HOME}"/schedule_sat.sh "NOAA 15" 137.6200
"${NOAA_HOME}"/schedule_iss.sh "ISS (ZARYA)" 145.8000

+ 37
- 0
schedule_iss.sh Переглянути файл

@@ -0,0 +1,37 @@
#!/bin/sh

## debug
# set -x

. ~/.noaa.conf
SAT_MIN_ELEV=10

PREDICTION_START=$(/usr/bin/predict -t "${NOAA_HOME}"/predict/amateur.tle -p "${1}" | head -1)
PREDICTION_END=$(/usr/bin/predict -t "${NOAA_HOME}"/predict/amateur.tle -p "${1}" | tail -1)


var2=$(echo "${PREDICTION_END}" | cut -d " " -f 1)
var21=`echo $PREDICTION_END | cut -d " " -f 1`

MAXELEV=$(/usr/bin/predict -t "${NOAA_HOME}"/predict/amateur.tle -p "${1}" | awk -v max=0 '{if($5>max){max=$5}}END{print max}')

while [ "$(date --date="@${var2}" +%D)" = "$(date +%D)" ]; do
START_TIME=$(echo "$PREDICTION_START" | cut -d " " -f 3-4)
var1=$(echo "$PREDICTION_START" | cut -d " " -f 1)
var3=$(echo "$START_TIME" | cut -d " " -f 2 | cut -d ":" -f 3)
TIMER=$(expr "${var2}" - "${var1}" + "${var3}")
OUTDATE=$(date --date="TZ=\"UTC\" ${START_TIME}" +%Y%m%d-%H%M%S)

if [ "${MAXELEV}" -gt "${SAT_MIN_ELEV}" ]
then
SATNAME=$(echo "$1" | sed "s/ //g")
echo ${SATNAME} "${OUTDATE}" "$MAXELEV"
echo "${NOAA_HOME}/receive_iss.sh \"${1}\" $2 ISS-${OUTDATE} "${NOAA_HOME}"/predict/amateur.tle \
${var1} ${TIMER} ${MAXELEV}" | at "$(date --date="TZ=\"UTC\" ${START_TIME}" +"%H:%M %D")"
fi
NEXTPREDICT=$(expr "${var2}" + 60)
PREDICTION_START=$(/usr/bin/predict -t "${NOAA_HOME}"/predict/amateur.tle -p "${1}" "${NEXTPREDICT}" | head -1)
PREDICTION_END=$(/usr/bin/predict -t "${NOAA_HOME}"/predict/amateur.tle -p "${1}" "${NEXTPREDICT}" | tail -1)
MAXELEV=$(/usr/bin/predict -t "${NOAA_HOME}"/predict/amateur.tle -p "${1}" "${NEXTPREDICT}" | awk -v max=0 '{if($5>max){max=$5}}END{print max}')
var2=$(echo "${PREDICTION_END}" | cut -d " " -f 1)
done

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