Serving Indiana Amateurs Since 1971

IRC Bandplan

10 meters, 28.000 – 29.700 MHz
28.000 – 29.510 Various weak signal and non-repeater modes
29.520 – 29.580 Repeater Inputs (20 kHz channels, 100 kHz offset)
29.600 National FM Simplex Calling Channel
29.620 – 29.700 Repeater Outputs (20 kHz channels, 100 kHz offset)

6 meters, 50.000 – 54.000 MHz
50.000 – 51.110 Various weak signal and non-repeater modes
51.110 – 51.500 Repeater Inputs (20 kHz channels, 500 kHz offset)
51.500 – 51.600 FM Simplex
51.610 – 52.000 Repeater Outputs (20 kHz channels, 500 kHz offset)
52.000 – 52.500 Repeater Inputs (20 kHz channels, 1.00 MHz offset)
52.525 National Calling Frequency
52.550 – 53.000 Repeater Inputs (20 kHz channels, 1.00 MHz offset)
53.000 – 53.500 Repeater Outputs (20 kHz channels, 1.00 MHz offset)
53.500 – 53.550 FM Simplex
53.550 – 54.000 Repeater Outputs (20 kHz channels, 1.00 MHz offset)

2 meters, 144.000 – 148.000 MHz
144.000 – 144.500 Various weak signal and non-repeater modes
144.390 APRS Nationwide (Packet)
144.500 – 144.900 Repeater Inputs (10 kHz channels, 600 kHz offset)
144.900 – 145.100 Packet (20 kHz channels)
145.100 – 145.500 Repeater Outputs (10 kHz channels, 600 kHz offset)
145.500 – 145.800 Miscellaneous and experimental modes
145.800 – 146.000 Satellite Sub-Band
146.000 – 146.400 Repeater Inputs (15 kHz channels, 600 kHz offset)
146.400 – 146.600 FM Voice Simplex (15 kHz channels)
146.520 FM National Calling Frequency
146.600 – 147.400 Repeater Outputs (15 kHz channels, 600 kHz offset)
147.400 – 147.600 FM Voice Simplex (15 kHz channels)
147.600 – 148.000 Repeater Inputs (15 kHz channels, 600 kHz offset)

1.25 meters, 222.000 – 225.000 MHz
222.000 – 222.150 Various weak signal and non-repeater modes
222.150 – 222.250 Links and Control (20 kHz channels)
222.250 – 223.400 Repeater Inputs (20 kHz channels, 1.60 MHz offset)
223.400 – 223.600 FM Simplex, Packet (20 kHz channels)
223.500 National Calling Frequency
223.600 – 223.850 Links and Control (20 kHz channels)
223.850 – 225.000 Repeater Outputs (20 kHz channels, 1.60 MHz offset)

70 centimeters, 420.000 – 450.000 MHz
420.000 – 426.000 ATV (6.00 MHz channel, 421.250 MHz V, 425.750 MHz A)
426.000 – 432.000 ATV (6.00 MHz channel, 427.250 MHz V, 431.750 MHz A)
431.000 – 433.000 Various weak signal and non-repeater modes
433.000 – 435.000 FM/DV Auxiliary Links (25 kHz channels)
435.000 – 438.000 Satellite only
438.000 – 441.500 FM/DV Auxiliary Links (25 kHz channels)
440.500 FM Repeater Output (shared, non-protected pair)
441.500 FM Repeater Output (shared, non-protected pair)
441.525 – 442.000 DV Repeater Outputs (6.25 kHz channels, 5.00 MHz offset)
442.000 – 445.000 FM Repeater Outputs (25 kHz channels, 5.00 MHz offset)
445.000 – 445.500 FM Simplex, Links, Packet (25 kHz channels)
445.500 FM Repeater Input (shared, non-protected pair)
445.500 – 446.500 FM Simplex, Links, Packet (25 kHz channels)
446.000 National FM Simplex Calling Frequency
446.500 FM Repeater Input (shared, non-protected pair)
446.525 – 447.000 DV Repeater Inputs (6.25 kHz channels, 5.00 MHz offset)
447.000 – 450.000 FM Repeater Inputs (25 kHz channels, 5.00 MHz offset)

33 centimeters, 902.000 – 928.000 MHz
902.000 – 902.075 FM/DV Repeater Inputs (12.5 kHz channels, 25 MHz offset)
902.075 – 902.125 Various weak signal and non-repeater modes
902.125 – 903.000 FM/DV Repeater Inputs (12.5 kHz channels, 25 MHz offset)
903.000 – 903.400 Various weak signal and non-repeater modes
903.400 – 909.000 Mixed use, including links and control
909.000 – 927.000 Mixed broadband use, ATV, data
927.000 – 927.075 FM/DV Repeater Outputs (12.5 kHz channels, 25 MHz offset)
927.075 – 927.125 Simplex (FM and digital)
927.125 – 928.000 FM/DV Repeater Outputs (12.5 kHz channels, 25 MHz offset)

23 centimeters, 1200.000 – 1300.000 MHz
1240.000 – 1246.000 ATV (6.00 MHz channel, 1241.250 MHz V, 1245.750 MHz A)
1246.000 – 1248.000 Point-to-point links paired with 1258.000 – 1260.000
1248.000 – 1252.000 Miscellaneous and experimental modes
1252.000 – 1258.000 ATV (6.00 MHz channel, 1253.250 MHz V, 1257.750 MHz A)
1258.000 – 1260.000 Point-to-point links paired with 1246.000 – 1248.000
1260.000 – 1270.000 Miscellaneous and experimental modes
1270.000 – 1274.000 FM/DV Repeater Inputs (25 kHz channels, 20.00 MHz offset)
1274.000 – 1276.000 Miscellaneous and experimental modes
1276.000 – 1282.000 ATV (6.00 MHz channel, 1277.250 MHz V, 1281.750 MHz A)
1282.000 – 1290.000 Miscellaneous and experimental modes
1290.000 – 1294.000 FM/DV Repeater Outputs (25 kHz channels, 20.00 MHz offset)
1294.000 – 1295.000 FM Simplex
1294.500 National FM Simplex Calling Frequency
1295.000 – 1300.000 Various weak signal and non-repeater modes

Please note that while we endeavor to keep our information up to date, the official copy of the band plan can be found in our Coordination Policy, here. The information on this page is for reference only and should be treated as an uncontrolled copy.