[WIP] Adapt to newer Ubuntu sources & programs

common.sh

@@ -4,6 +4,7 @@
 # set -x
 
 . "$HOME/.noaa.conf"
+export PATH=$PATH:/usr/local/bin/
 
 declare -A levels=([DEBUG]=0 [INFO]=1 [WARN]=2 [ERROR]=3)
 log_level=${LOG_LEVEL}
@@ -21,6 +22,7 @@ log() {
 
     #log here
     echo "${log_priority} : ${log_message}"
+    echo $(date '+%d-%m-%Y %H:%M') $0 "${log_priority} : ${log_message}" >> "$NOAA_LOG"
 }
 
 ## current date and folder structure

install.sh

@@ -53,12 +53,11 @@ if [ "$raspbian_version" == "stretch" ]; then
 fi
 
 sudo apt update -yq
-sudo apt install -yq predict \
-                     python-setuptools \
-                     ntp \
+sudo apt install -yq python-setuptools \
+		     unzip zip \
                      cmake \
-                     libusb-1.0 \
-                     sox \
+                     libusb-1.0-0-dev \
+                     sox libsox-fmt-mp3 \
                      at \
                      bc \
                      nginx \
@@ -72,8 +71,8 @@ sudo apt install -yq predict \
                      libjpeg9 \
                      libjpeg9-dev \
                      socat \
-                     php7.2-fpm \
-                     php7.2-sqlite \
+                     php7.3-fpm \
+                     php7.3-sqlite3 \
                      sqlite3
 
 if [ "$raspbian_version" == "stretch" ]; then
@@ -105,11 +104,11 @@ fi
 if [ -e /usr/local/bin/rtl_fm ]; then
     log_done "rtl-sdr was already installed"
 else
-    log_running "Installing rtl-sdr from osmocom..."
+    log_running "Installing rtl-sdr from librtlsdr..."
     (
         cd /tmp/
-        git clone https://github.com/osmocom/rtl-sdr.git
-        cd rtl-sdr/
+        git clone https://github.com/librtlsdr/librtlsdr.git
+        cd librtlsdr/
         mkdir build
         cd build
         cmake ../ -DINSTALL_UDEV_RULES=ON -DDETACH_KERNEL_DRIVER=ON
@@ -131,6 +130,19 @@ else
     log_done "WxToIMG installed"
 fi
 
+### install predict
+if command -v predict &> /dev/null; then
+    log_done "predict was already installed"
+else
+    $orig_dir=$(pwd)
+    cd software
+    tar -xzf predict-2.2.7.tar.gz
+    cd predict-2.2.7
+    sudo ./configure	#this also installs :X
+    cd $orig_dir
+    log_done "predict installed"
+fi
+
 ### Install default config file
 if [ -e "$HOME/.noaa.conf" ]; then
     log_done "$HOME/.noaa.conf already exists"
@@ -177,38 +189,69 @@ else
 fi
 
 ### Install medet_arm
-if [ -e /usr/bin/medet_arm ]; then
-    log_done "medet_arm was already installed"
+if [ -e /usr/bin/medet ]; then
+    log_done "medet was already installed"
 else
-    log_running "Installing medet_arm..."
-    sudo cp software/medet_arm /usr/bin/medet_arm
-    sudo chmod +x /usr/bin/medet_arm
-    log_done "medet_arm installed"
+    if [[ $(uname -m) == *"arm"* ]]; then
+        log_running "Installing medet_arm..."
+        sudo cp software/medet_arm /usr/bin/medet
+    elif [[ $(uname -m) == *"x86_64"* ]]; then
+        log_running "Installing medet_x86_64..."
+        sudo cp software/medet_x86_64 /usr/bin/medet
+    else
+	log_error "Unknown archictecture $(uname -m)!"
+        exit -1
+    fi
+    sudo chmod +x /usr/bin/medet
+    log_done "medet installed"
 fi
 
+### Install noaa-apt
+if command -v noaa-apt &> /dev/null; then
+    log_done "noaa-apt was already installed"
+else
+    if [[ $(uname -m) == *"arm"* ]]; then
+        log_running "Installing noaa-apt arm..."
+        unzip software/noaa-apt-1.3.0-armv7-linux-gnueabihf-nogui.zip
+        sudo mv noaa-apt /usr/bin
+	sudo mv res /usr/bin 	#ok, this is not so nice, but it works
+    elif [[ $(uname -m) == *"x86_64"* ]]; then
+        log_running "Installing noaa-apt x86..."
+        sudo dpkg -i software/noaa-apt_1.3.0-1_amd64.deb
+    else
+	log_error "Unknown archictecture $(uname -m)!"
+        exit -1
+    fi
+    mkdir -p "$HOME/.config/noaa-apt"
+    cp templates/settings.toml "$HOME/.config/noaa-apt"
+    log_done "noaa-apt installed"
+fi
+
+
 ### Cron the scheduler
 set +e
 crontab -l | grep -q "raspberry-noaa"
 if [ $? -eq 0 ]; then
     log_done "Crontab for schedule.sh already exists"
 else
-    cat <(crontab -l) <(echo "1 0 * * * /home/pi/raspberry-noaa/schedule.sh") | crontab -
+    cat <(crontab -l) <(echo "1 0 * * * $HOME/raspberry-noaa/schedule.sh") | crontab -
     log_done "Crontab installed"
 fi
 set -e
 
 ### Setup Nginx
 log_running "Setting up Nginx..."
+usr=$(whoami)
 sudo cp templates/nginx.cfg /etc/nginx/sites-enabled/default
 (
     sudo mkdir -p /var/www/wx/images
-    sudo chown -R pi:pi /var/www/wx
-    sudo usermod -a -G www-data pi
+    sudo chown -R $usr:$usr /var/www/wx
+    sudo usermod -a -G www-data $usr
     sudo chmod 775 /var/www/wx
 )
 sudo systemctl restart nginx
 sudo cp -rp templates/webpanel/* /var/www/wx/
-
+sed -i -e "s/pi/${usr}/g" "/var/www/wx/Model/Conn.php"
 log_done "Nginx configured"
 
 ### Setup ramFS
@@ -243,6 +286,7 @@ else
     log_done "pd120_decoder installed"
 fi
 
+cp templates/sun.py .
 
 success "Install (almost) done!"
 
@@ -298,10 +342,12 @@ read -rp "Enter your longitude (West values are negative): "
 read -rp "Enter your timezone offset (ex: -3 for Argentina time): "
     tzoffset=$REPLY
 
-sed -i -e "s/change_latitude/${lat}/g;s/change_longitude/${lon}/g" "$HOME/.noaa.conf"
+sed -i -e "s/change_latitude/${lat}/g;s/change_longitude/${lon}/g;s/pi/${usr}/g" "$HOME/.noaa.conf"
 sed -i -e "s/change_latitude/${lat}/g;s/change_longitude/${lon}/g" "$HOME/.wxtoimgrc"
-sed -i -e "s/change_latitude/${lat}/g;s/change_longitude/$(echo  "$lon * -1" | bc)/g" "$HOME/.predict/predict.qth"
+sed -i -e "s/change_latitude/${lat}/g;s/change_longitude/${lon}/g" "$HOME/.predict/predict.qth"
 sed -i -e "s/change_latitude/${lat}/g;s/change_longitude/${lon}/g;s/change_tz/$(echo  "$tzoffset * -1" | bc)/g" "sun.py"
+sed -i -e "s/change_tz/$tzoffset/g" "$HOME/.config/noaa-apt/settings.toml"
+sed -i -e "s/change_tz/$tzoffset/g" "sun.py"
 
 success "Install done! Double check your $HOME/.noaa.conf settings"
 
@@ -315,4 +361,8 @@ set +e
 ### Running WXTOIMG to have the user accept the licensing agreement
 wxtoimg
 
-sudo reboot
+read -rp "reboot now? (Y/n)"
+    doreboot=$REPLY
+
+[ ! -z "$doreboot" ] || sudo reboot
+[ "$doreboot" == "y" ] && sudo reboot

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 ${2}M -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 "$NOAA_HOME/demod.py" ]; then
     log "Decoding ISS pass" "INFO"
@@ -52,5 +52,8 @@ if [ -f "$NOAA_HOME/demod.py" ]; then
             fi
         fi
         sqlite3 "$NOAA_HOME/panel.db" "update predict_passes set is_active = 0 where (predict_passes.pass_start) in (select predict_passes.pass_start from predict_passes inner join decoded_passes on predict_passes.pass_start = decoded_passes.pass_start where decoded_passes.id = $pass_id);"
+    else
+        log "Did not receive any images from ISS" ERROR
+        sqlite3 "$NOAA_HOME/panel.db" "update predict_passes set is_active = 0 where predict_passes.pass_start = $5;"
     fi
 fi

receive_meteor.sh

@@ -11,6 +11,8 @@ fi
 . "$HOME/.tweepy.conf"
 . "$NOAA_HOME/common.sh"
 
+log "starting $0" DEBUG
+
 SYSTEM_MEMORY=$(free -m | awk '/^Mem:/{print $2}')
 if [ "$SYSTEM_MEMORY" -lt 2000 ]; then
     log "The system doesn't have enough space to store a Meteor pass on RAM" "INFO"
@@ -42,11 +44,15 @@ fi
 # $6 = Time to capture
 # $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
+pre_rate=288k
+
+log "Starting rtl_fm record for $1 at $2 to $3 at epoch $5" "INFO"
+log "timeout \"${6}\" /usr/local/bin/rtl_fm ${BIAS_TEE} -p $PPM_ERROR -M raw -f ${2}M -F0 -s $pre_rate $GAIN | sox -t raw -r $pre_rate -c 2 -b 16 -e s - -t wav \"${RAMFS_AUDIO}/audio/${3}.wav\"" DEBUG
+timeout "${6}" /usr/local/bin/rtl_fm ${BIAS_TEE} -p $PPM_ERROR -M raw -f ${2}M -F0 -s $pre_rate $GAIN | sox -t raw -r $pre_rate -c 2 -b 16 -e s - -t wav "${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"
+[[ $1 == "METEOR-M22" ]] && demod_extra="-m opsk"
+log "Demodulation in progress (QPSK) $demod_extra" "INFO"
+meteor_demod $demod_extra -B -o "${METEOR_OUTPUT}/${3}.qpsk" "${RAMFS_AUDIO}/audio/${3}.wav" 2>> $NOAA_LOG
 
 if [ "$DELETE_AUDIO" = true ]; then
     log "Deleting audio files" "INFO"
@@ -58,20 +64,21 @@ else
     rm "${RAMFS_AUDIO}/audio/${3}.wav"
 fi
 
-log "Decoding in progress (QPSK to BMP)" "INFO"
-medet_arm "${METEOR_OUTPUT}/${3}.qpsk" "${METEOR_OUTPUT}/${3}" -cd
+log "Decoding in progress (QPSK to BMP)" INFO
+[[ $1 == "METEOR-M22" ]] && medet_extra="-diff"
+medet $medet_extra "${METEOR_OUTPUT}/${3}.qpsk" "${METEOR_OUTPUT}/${3}" -cd
 
 rm "${METEOR_OUTPUT}/${3}.qpsk"
 
 if [ -f "${METEOR_OUTPUT}/${3}.dec" ]; then
-
+    log "Sun elevation: ${SUN_ELEV}" DEBUG
     if [ "${SUN_ELEV}" -lt "${SUN_MIN_ELEV}" ]; then
         log "I got a successful ${3}.dec file. Decoding APID 68" "INFO"
-        medet_arm "${METEOR_OUTPUT}/${3}.dec" "${NOAA_OUTPUT}/images/${3}-122" -r 68 -g 68 -b 68 -d
+        medet "${METEOR_OUTPUT}/${3}.dec" "${NOAA_OUTPUT}/images/${3}-122" -r 68 -g 68 -b 68 -d
         /usr/bin/convert $FLIP -negate "${NOAA_OUTPUT}/images/${3}-122.bmp" "${NOAA_OUTPUT}/images/${3}-122.bmp"
     else
         log "I got a successful ${3}.dec file. Creating false color image" "INFO"
-        medet_arm "${METEOR_OUTPUT}/${3}.dec" "${NOAA_OUTPUT}/images/${3}-122" -r 65 -g 65 -b 64 -d
+        medet "${METEOR_OUTPUT}/${3}.dec" "${NOAA_OUTPUT}/images/${3}-122" -r 65 -g 65 -b 64 -d
     fi
 
     log "Rectifying image to adjust aspect ratio" "INFO"
@@ -82,13 +89,15 @@ if [ -f "${METEOR_OUTPUT}/${3}.dec" ]; then
     rm "${METEOR_OUTPUT}/${3}.bmp"
     rm "${METEOR_OUTPUT}/${3}.dec"
 
-    sqlite3 /home/pi/raspberry-noaa/panel.db "insert into decoded_passes (pass_start, file_path, daylight_pass, sat_type) values ($5,\"$3\", 1,0);"
-    pass_id=$(sqlite3 /home/pi/raspberry-noaa/panel.db "select id from decoded_passes order by id desc limit 1;")
+    sqlite3 $HOME/raspberry-noaa/panel.db "insert into decoded_passes (pass_start, file_path, daylight_pass, sat_type) values ($5,\"$3\", 1,0);"
+    pass_id=$(sqlite3 $HOME/raspberry-noaa/panel.db "select id from decoded_passes order by id desc limit 1;")
+    sqlite3 $HOME/raspberry-noaa/panel.db "update predict_passes set is_active = 0 where (predict_passes.pass_start) in (select predict_passes.pass_start from predict_passes inner join decoded_passes on predict_passes.pass_start = decoded_passes.pass_start where decoded_passes.id = $pass_id);"
+
     if [ -n "$CONSUMER_KEY" ]; then
         log "Posting to Twitter" "INFO"
         python3 "${NOAA_HOME}/post.py" "$1 ${START_DATE} Resolución completa: https://weather.reyni.co/detail.php?id=$pass_id" "$7" "${NOAA_OUTPUT}/images/${3}-122-rectified.jpg"
     fi
-    sqlite3 /home/pi/raspberry-noaa/panel.db "update predict_passes set is_active = 0 where (predict_passes.pass_start) in (select predict_passes.pass_start from predict_passes inner join decoded_passes on predict_passes.pass_start = decoded_passes.pass_start where decoded_passes.id = $pass_id);"
 else
     log "Decoding failed, either a bad pass/low SNR or a software problem" "ERROR"
+    sqlite3 $HOME/raspberry-noaa/panel.db "update predict_passes set is_active = 0 where predict_passes.pass_start = $5;"
 fi

receive.sh → receive_noaa.sh

@@ -30,8 +30,11 @@ fi
 # $6 = Time to capture
 # $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
+pre_samplerate=60k
+
+log "Starting rtl_fm record for $1 at $2 to $3 at epoch $5" "INFO"
+log "timeout ${6} /usr/local/bin/rtl_fm ${BIAS_TEE} -f ${2}M -s$pre_samplerate $GAIN -p $PPM_ERROR -E wav -E deemp -F 0 - | /usr/bin/sox -t raw -e signed -c 1 -b 16 -r $pre_samplerate - ${RAMFS_AUDIO}/audio/${3}.wav rate 11025" DEBUG
+timeout "${6}" /usr/local/bin/rtl_fm ${BIAS_TEE} -f "${2}"M -s$pre_samplerate $GAIN -p $PPM_ERROR -E wav -E deemp -F 0 - | /usr/bin/sox -t raw -e signed -c 1 -b 16 -r $pre_samplerate - "${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"
@@ -41,24 +44,33 @@ else
 	daylight="false"
 fi
 
-log "Bulding pass map" "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 $ENHANCEMENTS; do
 	log "Decoding image" "INFO"
 	/usr/local/bin/wxtoimg -o -m "${NOAA_HOME}/map/${3}-map.png" -e "$i" "${RAMFS_AUDIO}/audio/${3}.wav" "${NOAA_OUTPUT}/images/${3}-$i.jpg"
-	/usr/bin/convert -quality 90 -format jpg "${NOAA_OUTPUT}/images/${3}-$i.jpg" -undercolor black -fill yellow -pointsize 18 -annotate +20+20 "${1} $i ${START_DATE} Elev: $7°" "${NOAA_OUTPUT}/images/${3}-$i.jpg"
+	/usr/bin/convert -quality 98 -format jpg "${NOAA_OUTPUT}/images/${3}-$i.jpg" -undercolor black -fill yellow -pointsize 18 -annotate +20+20 "${1} $i ${START_DATE} Elev: $7°" "${NOAA_OUTPUT}/images/${3}-$i.jpg"
 	/usr/bin/convert -thumbnail 300 "${NOAA_OUTPUT}/images/${3}-$i.jpg" "${NOAA_OUTPUT}/images/thumb/${3}-$i.jpg"
 done
 
+log "Building noaa-apt maps" DEBUG
+curpath=$(pwd) # needed for faulty noaa-apt arm version
+cd /usr/bin
+noaa-apt "${RAMFS_AUDIO}/audio/${3}.wav" -R auto -m yes -o "${NOAA_OUTPUT}/images/${3}-noaa-apt.png"
+cd $curpath
+/usr/bin/convert -quality 98 -format jpg "${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/${3}-noaa-apt.jpg"
+
+rm "${NOAA_OUTPUT}/images/${3}-noaa-apt.png"
 rm "${NOAA_HOME}/map/${3}-map.png"
 
 if [ "${SUN_ELEV}" -gt "${SUN_MIN_ELEV}" ]; then
-	sqlite3 /home/pi/raspberry-noaa/panel.db "insert into decoded_passes (pass_start, file_path, daylight_pass, sat_type) values ($5,\"$3\", 1,1);"
+	sqlite3 $HOME/raspberry-noaa/panel.db "insert into decoded_passes (pass_start, file_path, daylight_pass, sat_type) values ($5,\"$3\", 1,1);"
 else
-	sqlite3 /home/pi/raspberry-noaa/panel.db "insert into decoded_passes (pass_start, file_path, daylight_pass, sat_type) values ($5,\"$3\", 0,1);"
+	sqlite3 $HOME/raspberry-noaa/panel.db "insert into decoded_passes (pass_start, file_path, daylight_pass, sat_type) values ($5,\"$3\", 0,1);"
 fi
 
-pass_id=$(sqlite3 /home/pi/raspberry-noaa/panel.db "select id from decoded_passes order by id desc limit 1;")
+pass_id=$(sqlite3 $HOME/raspberry-noaa/panel.db "select id from decoded_passes order by id desc limit 1;")
 
 if [ -n "$CONSUMER_KEY" ]; then
 	log "Posting to Twitter" "INFO"
@@ -69,12 +81,12 @@ if [ -n "$CONSUMER_KEY" ]; then
 	fi
 fi
 
-sqlite3 /home/pi/raspberry-noaa/panel.db "update predict_passes set is_active = 0 where (predict_passes.pass_start) in (select predict_passes.pass_start from predict_passes inner join decoded_passes on predict_passes.pass_start = decoded_passes.pass_start where decoded_passes.id = $pass_id);"
+sqlite3 $HOME/raspberry-noaa/panel.db "update predict_passes set is_active = 0 where (predict_passes.pass_start) in (select predict_passes.pass_start from predict_passes inner join decoded_passes on predict_passes.pass_start = decoded_passes.pass_start where decoded_passes.id = $pass_id);"
 
 if [ "$DELETE_AUDIO" = true ]; then
 	log "Deleting audio files" "INFO"
   rm "${RAMFS_AUDIO}/audio/${3}.wav"
 else
 	log "Moving audio files out to the SD card" "INFO"
-  mv "${RAMFS_AUDIO}/audio/${3}.wav" "${NOAA_OUTPUT}/audio/${3}.wav"
+  mv "${RAMFS_AUDIO}/audio/${3}.wav" "${NOAA_OUTPUT}/audio/${3}_${pre_samplerate}_${7}.wav"
 fi

schedule.sh

@@ -10,12 +10,15 @@ fi
 . "$HOME/.noaa.conf"
 . "$NOAA_HOME/common.sh"
 
+log "Scheduling new passes" INFO
+
 wget -qr http://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 "METEOR-M 2" "${NOAA_HOME}"/predict/weather.txt -A 2 >> "${NOAA_HOME}"/predict/weather.tle
+grep "METEOR-M2 2" "${NOAA_HOME}"/predict/weather.txt -A 2 >> "${NOAA_HOME}"/predict/weather.tle
 if [ "$SCHEDULE_ISS" == "true" ]; then
     grep "ZARYA" "${NOAA_HOME}"/predict/amateur.txt -A 2 > "${NOAA_HOME}"/predict/amateur.tle
 fi
@@ -27,7 +30,8 @@ for i in $(atq | awk '{print $1}');do atrm "$i";done
 if [ "$SCHEDULE_ISS" == "true" ]; then
     "${NOAA_HOME}"/schedule_iss.sh "ISS (ZARYA)" 145.8000
 fi
-"${NOAA_HOME}"/schedule_meteor.sh "METEOR-M 2" 137.1000
+"${NOAA_HOME}"/schedule_sat.sh "METEOR-M 2" 137.1000
+#"${NOAA_HOME}"/schedule_sat.sh "METEOR-M2 2" 137.9000	#Meteor M2-2 will never send LRPT again :(
 "${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