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voacap - Replaced simple command line options to support get opt and 3 mode inputs: callsign, lat,lon and grid square. Grid square is pending et-api implementation
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thetechprepper
@@ -4,22 +4,113 @@
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# Date : 23 May 2023
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# Updated : 16 August 2025
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# Purpose : Offline HF prediction using voacapl
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source /opt/emcomm-tools/bin/et-common
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if [[ $# -ne 4 ]]; then
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echo "Usage $(basename $0) <callsign1> <callsign2> <power> <mode>"
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echo " <callsign1> Callsign of transmitting station"
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echo " <callsign2> Callsign of receiving station"
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echo " <power> Output power [5|100|500|1500]"
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echo " <mode> Mode [AM|CW|FT8|SSB]"
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exit 1
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fi
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lookup_station() {
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local type="$1" # call | grid | latlon
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local value="$2" # callsign | grid | "lat,lon"
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local json_file="$3"
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case "$type" in
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call)
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curl -f -s "http://localhost:1981/api/license?callsign=${value}" > "$json_file"
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if [[ $? -ne 0 ]]; then
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echo "Location not found for callsign: ${value}. Exiting."
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exit 1
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fi
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;;
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grid)
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echo "Grid not support not yet implemented"
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exit 1
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#curl -f -s "http://localhost:1981/api/geo/grid=${value}" > "$json_file"
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#if [[ $? -ne 0 ]]; then
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# echo "Location not found for grid: ${value}. Exiting."
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# exit 1
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#fi
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;;
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latlon)
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# Write directly to JSON for consistency
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local lat lon
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IFS=',' read -r lat lon <<< "$value"
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if [[ -z $lat || -z $lon ]]; then
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echo "Invalid lat,lon format: $value. Expected 'lat,lon'. Exiting."
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exit 1
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fi
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jq -n --arg lat "$lat" --arg lon "$lon" '{lat: ($lat|tonumber), lon: ($lon|tonumber)}' > "$json_file"
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;;
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*)
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echo "Invalid station type: $type"
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exit 1
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;;
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esac
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# Extract lat/lon regardless of type
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local lat lon
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lat=$(jq .lat "$json_file")
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lon=$(jq .lon "$json_file")
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echo "$lat $lon"
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}
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ET_SSN="${HOME}/.local/share/emcomm-tools/voacap/ssn.txt"
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if [[ ! -e ${ET_SSN} ]]; then
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"Sunspot numbers not available: ${ET_SSN}. Exiting"
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echo -e "${RED}Sunspot number file not available:${WHITE}${ET_SSN}${NC}"
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echo -e "${YELLOW}Try running the following to fetch the sunspot numbers (requires Internet):${NC}"
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echo -e "${WHITE}cd ${HOME}/.local/share/emcomm-tools/voacap${NC}"
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echo -e "${WHITE}./fetch-ssn.sh${NC}"
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exit 1
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fi
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usage() {
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echo "Usage: $(basename $0) [OPTIONS]"
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echo
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echo "Station options (choose one per TX and RX):"
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echo " --tx-call CALLSIGN Transmitting station callsign"
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echo " --tx-grid GRID Transmitting station Maidenhead grid"
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echo " --tx-latlon LAT,LON Transmitting station coordinates in decimal degrees"
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echo " --rx-call CALLSIGN Receiving station callsign"
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echo " --rx-grid GRID Receiving station Maidenhead grid"
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echo " --rx-latlon LAT,LON Receiving station coordinates in decimal degrees"
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echo
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echo "Other options:"
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echo " -p POWER Output power [5|100|500|1500]"
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echo " -m MODE Mode [AM|CW|JS8|SSB]"
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echo
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exit 1
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}
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tx_type=""
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tx_value=""
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rx_type=""
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rx_value=""
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power=""
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mode=""
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while [[ $# -gt 0 ]]; do
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case "$1" in
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--tx-call) tx_type="call"; tx_value="$2"; shift 2 ;;
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--tx-grid) tx_type="grid"; tx_value="$2"; shift 2 ;;
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--tx-latlon) tx_type="latlon"; tx_value="$2"; shift 2 ;;
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--rx-call) rx_type="call"; rx_value="$2"; shift 2 ;;
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--rx-grid) rx_type="grid"; rx_value="$2"; shift 2 ;;
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--rx-latlon) rx_type="latlon"; rx_value="$2"; shift 2 ;;
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-p) power="$2"; shift 2 ;;
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-m) mode="$2"; shift 2 ;;
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-*|--*) echo "Unknown option: $1"; usage ;;
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*) echo "Unexpected argument: $1"; usage ;;
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esac
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done
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# Validate required args
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[[ -z $tx_type || -z $rx_type || -z $power || -z $mode ]] && usage
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#echo "TX ($tx_type): $tx_value"
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#echo "RX ($rx_type): $rx_value"
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#echo "Power: $power"
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#echo "Mode: $mode"
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ET_VOA_WORKING_DIR=$HOME/itshfbc/run
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ET_VOA_REPORT=${ET_VOA_WORKING_DIR}/voacapl.txt
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INP=${ET_VOA_WORKING_DIR}/voacapx.dat
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@@ -36,16 +127,8 @@ MONTH_FMT=$(date +'%-m.00')
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# TX Antenna
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#######################################################################
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TX_STATION=$1
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TX_JSON=tx-station.json
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curl -f -s http://localhost:1981/api/license?callsign=$TX_STATION > $TX_JSON
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if [[ $? -ne 0 ]]; then
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echo "Location not found for callsign: ${TX_STATION}. Exiting."
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exit 1
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fi
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TL=$(cat $TX_JSON | jq .lat)
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TK=$(cat $TX_JSON | jq .lon)
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read TL TK < <(lookup_station "$tx_type" "$tx_value" tx-station.json)
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echo "TX Lat/Lon: $TL,$TK"
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TL1=$( awk -v n1=$TL -v n2=90 -v n3=-90 'BEGIN {if (n1<n3 || n1>n2) printf ("%s", "a"); else printf ("%.2f", n1);}' )
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@@ -62,18 +145,9 @@ TLO=$( awk -v n1=$TK1 -v n2=0 'BEGIN {if (n1<n2) { n1=substr(n1,2); printf ("%7s
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# RX Antenna
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#######################################################################
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RX_STATION=$2
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RX_JSON=rx-station.json
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curl -f -s http://localhost:1981/api/license?callsign=$RX_STATION > $RX_JSON
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if [[ $? -ne 0 ]]; then
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echo "Location not found for callsign: ${RX_STATION}. Exiting."
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exit 1
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fi
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read RL RK < <(lookup_station "$rx_type" "$rx_value" rx-station.json)
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echo "RX Lat/Lon: $RL,$RK"
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RL=$(cat $RX_JSON | jq .lat)
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RK=$(cat $RX_JSON | jq .lon)
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echo "RX ($RX_STATION): $RL,$RK"
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RL1=$( awk -v n1=$RL -v n2=90 -v n3=-90 'BEGIN {if (n1<n3 || n1>n2) printf ("%s", "a"); else printf ("%.2f", n1);}' )
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# add North or South
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@@ -85,7 +159,7 @@ RK1=$( awk -v n1=$RK -v n2=180 -v n3=-180 'BEGIN {if (n1<n3 || n1>n2) printf ("%
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RLO=$( awk -v n1=$RK1 -v n2=0 'BEGIN {if (n1<n2) { n1=substr(n1,2); printf ("%7sW", n1); } else printf ("%7sE", n1);}' )
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# Power settings
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PWR=$3
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PWR=$power
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PW="0.0800"
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echo "TX Power: ${PWR} watts"
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if [ "$PWR" = "5" ]; then
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@@ -99,10 +173,10 @@ elif [ "$PWR" = "1500" ]; then
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fi
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# Mode
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MODE=$4
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MODE=$mode
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MD="24.0"
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echo "Mode: ${MODE}"
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if [ "$MODE" = "FT8" ]; then
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if [ "$MODE" = "JS8" ]; then
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MD="13.0"
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elif [ "$MODE" = "CW" ]; then
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MD="24.0"
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