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Communications

HF Ham Band - 40 meters

The standard daytime long-distance band.

HFAmateur radio40metersNVISlong distanceskipskywave

Groundwave out to about 150 miles. Out to about 1500 miles or for NVIS during daytime. Worldwide between late afternoon and a few hours after sunrise.

General, Advanced, or Amateur Extra Amateur Radio license required to operate and each have different frequency allowances.

LicenseDataVoiceVoice Mode
General7.025 - 7.1257.175 - 7.300LSB
Advanced7.025 - 7.1257.125 - 7.300LSB
Extra7.000 - 7.1257.125 - 7.300LSB
FrequencyDescription
7.034.4 / 7.034.2APRS Digital Mode, 300 baud FSK
7.035 - 7.045RTTY Digital Mode
7.070PSK31 Digital Mode - N. & S. America
7.074 - 7.077FT8 Digital Mode
7.078JS8Call Digital Mode
7.101.5, 7.102.5,
7.103, 7.103.5
& 7.104
Common Winlink Frequencies
7.232National Emergency Communications Frequency
7.263MO Emergency (ARES)
7.285AR Emergency (ARES)
7.290AM Calling Frequency

Note: All frequencies listed are in MegaHertz (MHz)