Common Ham Radio Repeater Channel Spacings and Offsets

Part of the Ham Radio For Dummies Cheat Sheet

Until you become accustomed to using repeaters on all the different ham radio bands, this chart can help you remember the right offsets and channel spacings to use. Many radios have the standard options preprogrammed, but you need to be aware of what they should be.

Band Output Frequencies of Each Group (In MHz) Offset from Output to Input Frequency
6 meters 51.62 – 51.98

52.5 – 52.98

53.5 – 53.98
– 500 kHz
2 meters (a mix of 20 kHz and 15 kHz channel spacing) 145.2 – 145.5

146.61 – 146.97

147.00 – 147.39
– 600 kHz

– 600 kHz

+ 600 kHz
222 MHz or 1-1/4 meters 223.85 – 224.98 – 1.6 MHz
440 MHz or 70 cm (local options determine whether inputs are above or below outputs) 442 – 445 (California repeaters start at 440 MHz)

447 – 450
+ 5 MHz

– 5 MHz
1296 MHz or 23 cm 1282 – 1288

1290 – 1294
– 12 MHz
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