#!/bin/bash

RIGCTL=$(which rigctl)
PARAMETERS="-m 2"
DELAY="300"

BANDS="14074000 21074000 28074000"

# wait for full minute
sleep $(((60 - $(date +%s) % 60)-1))

# start switching
while true
do
  for band in $BANDS
  do
    $RIGCTL $PARAMETERS F $band
    sleep $DELAY
  done
done