#!/bin/bash
clear

while true; do
  curl -s http://localhost/api/last_heard.php |\
  jq -r '"Callsign\tTransmit time\tMode\tTarget\tDuration",
 "---\t---\t---\t---\t---", (.[]|"\(.callsign)\t\(.time_utc)\t\(.mode)\t\(.target)\t\(.duration)" )'|
 column -t -s $'\t'

sleep 3
clear
done