The main operational frequencies of the group are:

• 144.650 MHz  with 145.200 MHz as a reserve if ISS not active
• 433.725 MHz

Other frequencies available from the band plan for emergency communication groups include:

HF

3.663 / 5.2785 / 7.110 (Region 1) / 14.300 (Global)

6m

51.650 / 51.750 / 51.770 / 51.790 MHz

4m

70.350 / 70.375 / 70.400 MHz

2m

SSB 144.260 MHz

FM 144.625 / 144.650 / 144.675 / 144.775 / 145.200 / 145.225 MHz

70cm

433.700 / 433.725 / 433.750 / 433.775 MHz

Wide band in-band repeater  for analogue voice  with -7.6 MHz shift:

438.400 MHz Base TX & 430.800 MHz Mobile TX

Wide band in-band repeater primarily for digital voice with -9 MHz split:

439.125 MHz Base TX  & 430.125 Mobile TX

439.1375 MHz Base TX & 430.1375 Mobile TX

Narrow Band In-band repeater with +1.6 MHz shift:

432.775 MHz Base TX & 434.375 MHz Mobile TX