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Amateur Radio (70 cm Band)
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All or part of this band is allocated worldwide on a seconday basis to the amateur and amateur-satellite services. The band is often referred to as either the 440 band or the 70 cm band.
In the United States, the entire range 420 - 450 MHz is allocated for amateur radio. According to the ARRL, the following band plan is used:
Frequency (MHz):Use
420-426: ATV repeater or simplex with 421.25 MHz video carrier (NTSC)
426-432: ATV simplex with 427.25 MHz video carrier (NTSC)
432-432.07: Earth-Moon-Earth
432.07-432.10: Weak-signal CW
432.1: 70-cm calling frequency
432.1-432.3: Mixed-mode and weak-signal work
432.3-432.4: Propagation beacons
432.4-433.0: Mixed-mode and weak-signal work
433-435: Auxiliary/repeater links
435-438: Satellite only (internationally)
438-444: ATV repeater input (439.25 MHz video carrier)
442-445: Repeater inputs and outputs (local option)
445-447: Shared auxiliary & control links; repeaters and simplex
446.0: National simplex FM frequency
447-450: Repeater inputs and outputs (local option)
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Frequency Bands |
| Band | Use | Service11 | Table |
| 420 - 450 MHz | Amateur radio 440 band (aka 70 cm band) | AM | N |
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