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#!/bin/bash
# Author : Gaston Gonzalez
# Date : 29 November 2025
# Updated : 1 December 2025
# Purpose : Generates a denormalized Winlink RMS channel data set from
# Pat Winlink's JSON definition. Each line represents a single
# Winlink RMS channel. This generated file is the source for
# building the Winlink search index.
source /opt/emcomm-tools/bin/et-common
RMS_SRC_JSON_FILE=~/.local/share/pat/rmslist.json
RMS_DATA_OUT_FILE=/opt/emcomm-tools-api/data/rmslist.csv
RMS_INDEX_DIR=/opt/emcomm-tools-api/index/rmslist
# Return a denormalized list of RMS stations filtered by the supported
# Winlink modes in EmComm Tools Community.
#
# 0 Packet 1200
# 41 ARDOP 500
# 43 ARDOP 2000
# 50 VARA 2300 (HF standard)
# 51 VARA FM
# 52 VARA FM WIDE
# 53 VARA 500 (HF narrow)
# 54 VARA 2750 (HF tactical)
cat ${RMS_SRC_JSON_FILE} | jq -r '
.Gateways[]
| . as $gw
| $gw.GatewayChannels[]
| select(.Mode | IN(0, 41, 43, 50, 51, 52, 53, 54))
| [
$gw.BaseCallsign,
$gw.Callsign,
$gw.Latitude,
$gw.Longitude,
.SupportedModes,
.Mode,
.Frequency
]
| join("|")
' > ${RMS_DATA_OUT_FILE}
LINES=$(wc -l $RMS_DATA_OUT_FILE | awk '{print $1}')
echo "Created RMS dataset: ${RMS_DATA_OUT_FILE} with ${LINES} records."
echo "Stopping ET API..."
systemctl --user stop et-service-et-api
sleep 3
echo "Removing old Winlink index..."
[[ -e ${RMS_INDEX_DIR} ]] && rm -rf /opt/emcomm-tools-api/index/rmslist
# ET API will rebuild the Winlink index on startup. It takes a few seconds.
start_and_wait_for_service et-service-et-api