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thetechprepper
141 lines
4.1 KiB
Bash
Executable File
141 lines
4.1 KiB
Bash
Executable File
#!/bin/bash
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#
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# Author : Gaston Gonzalez
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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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if [[ $# -ne 4 ]]; then
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echo "Usage $(basename $0) <callsign1> <callsign2> <power> <mode>"
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echo " <callsign1> Callsign of transmitting station"
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echo " <callsign2> Callsign of receiving station"
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echo " <power> Output power [5|100|500|1500]"
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echo " <mode> Mode [AM|CW|FT8|SSB]"
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exit 1
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fi
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ET_SSN="${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: ${ET_SSN}. Exiting"
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exit 1
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fi
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ET_VOA_WORKING_DIR=$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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OUT=${ET_VOA_WORKING_DIR}/voacapx.out
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# Year = 2023
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YEAR=$(echo $(date '+%Y'))
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# Month (May) = 5.00
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MONTH=$(date +'%m')
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MONTH_FMT=$(date +'%-m.00')
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#######################################################################
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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 > $TX_JSON
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TL=$(cat $TX_JSON | jq .lat)
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TK=$(cat $TX_JSON | jq .lon)
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TL1=$( awk -v n1=$TL -v n2=90 -v n3=-90 'BEGIN {if (n1<n3 || n1>n2) printf ("%s", "a"); else printf ("%.2f", n1);}' )
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# add North or South (N/S)
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TLA=$( awk -v n1=$TL1 -v n2=0 'BEGIN {if (n1<n2) { n1=substr(n1,2); printf ("%6sS", n1); } else printf ("%6sN", n1);}' )
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TK1=$( awk -v n1=$TK -v n2=180 -v n3=-180 'BEGIN {if (n1<n3 || n1>n2) printf ("%s", "a"); else printf ("%.2f", n1);}' )
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# add East or West (E/W)
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TLO=$( awk -v n1=$TK1 -v n2=0 'BEGIN {if (n1<n2) { n1=substr(n1,2); printf ("%7sW", n1); } else printf ("%7sE", n1);}' )
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#######################################################################
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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 > $RX_JSON
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RL=$(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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RLA=$( awk -v n1=$RL1 -v n2=0 'BEGIN {if (n1<n2) { n1=substr(n1,2); printf ("%6sS", n1); } else printf ("%6sN", n1);}' )
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RK1=$( awk -v n1=$RK -v n2=180 -v n3=-180 'BEGIN {if (n1<n3 || n1>n2) printf ("%s", "a"); else printf ("%.2f", n1);}' )
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# add East or West
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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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PW="0.0800"
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echo "TX Power: ${PWR} watts"
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if [ "$PWR" = "5" ]; then
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PW="0.0040"
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elif [ "$PWR" = "100" ]; then
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PW="0.0800"
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elif [ "$PWR" = "500" ]; then
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PW="0.4000"
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elif [ "$PWR" = "1500" ]; then
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PW="1.2000"
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fi
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# Mode
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MODE=$4
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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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MD="13.0"
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elif [ "$MODE" = "CW" ]; then
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MD="24.0"
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elif [ "$MODE" = "SSB" ]; then
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MD="38.0"
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elif [ "$opt" = "AM" ]; then
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MD="49.0"
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fi
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# Format for 117
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# NOTE: The card requires <SSN>. (117.)
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ssn=`grep "$YEAR $MONTH" ${ET_SSN} | awk '{print $5}' | cut -d"." -f1`
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# read more about fine-tuning your input file:
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# http://www.voacap.com/voacapw.html
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# http://www.voacap.com/frequency.html
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echo -e "\n"
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cat << END | tee $INP
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LINEMAX 999 number of lines-per-page
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COEFFS CCIR
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TIME 1 24 1 1
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MONTH $YEAR $MONTH_FMT
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SUNSPOT $ssn.
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LABEL $TX$RX
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CIRCUIT $TLA $TLO $RLA $RLO S 0
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SYSTEM 1. 155. 3.00 90. $MD 3.00 0.10
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FPROB 1.00 1.00 1.00 0.00
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ANTENNA 1 1 2 30 0.000[samples/sample.00 ] 0.0 $PW
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ANTENNA 2 2 2 30 0.000[samples/sample.00 ] 0.0 0.0000
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FREQUENCY 3.60 5.30 7.1010.1014.1018.1021.1024.9028.20 0.00 0.00
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METHOD 30 0
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BOTLINES 8 12 21
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TOPLINES 1 2 3 4 6
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EXECUTE
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QUIT
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END
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voacapl -s ~/itshfbc
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echo "voacapl exited with $? using in=$INP and out=$OUT"
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(tail -n +27 $OUT | head -n 5 && grep -e'- REL' $OUT && grep -e'- S DBW' $OUT) | ./rel.pl > ${ET_VOA_REPORT}
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cat ${ET_VOA_REPORT}
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