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2 wrz 2011 · Simplex. 146.400, 146.415, 146.430, 146.445, 146.460, 146.475, 146.490, 146.505 Note: The frequency 146.40 MHz is used in some areas as a repeater input. Note: Simplex frequencies are shown with 15 KHz spacing to help avoid interference. The actual band plan does not specify specific frequencies except for 146.505 and 146.520.
The most popular digital modes on UHF/VHF Amateur bands are DMR; D-Star, and C4FM; the latter 2 modes support data in addition to DV. JT65, FT4, FT8, JT144 tend to be more like SMS than true data modes and they do not support digital voice.
Wide Band Digital 2m modes are those with bandwidths greater than 3 kHz but less than 30 kHz; for example, Packet.
Most of the listed digital mode programs are designed for transmitting and receiving these fun modes of operating on the HF bands. Listings with Green backgrounds below are the more popular digital mode programs. But everyone has an opinion so use the list as needed.
The 2-meter band is a popular choice for digital packet transmission, with 144.39MHz (North America) and 144.8MHz (Europe) commonly used for APRS operation. Propagation Signals in this band travel primarily line-of-sight or slightly further.
Texas 2-Meter Band Plan; Amateur Radio Frequency Allocations and Band Plans; Icom 706MkIIG; Headset Adapter and Footswitch; DC Buss Box; Low-Frequency Converter; Noise Bridge; CW Key Base; Mic Preamp; Digital Modes. Digital Modes Page 2; Digital Modes Page 3; Digital Modes Page 4; Digital Modes Page 5; Digital Modes Page 6; Digital Modes Page 7 ...
This chart helps you follow the rules. A band-by-band plan showing where to find different types of activity is available from the American Radio Relay League (ARRL). Band Frequencies (In MHz) Modes You Can Use 80 meters 3.525 – 3.600 CW 40 meters 7.025 – 7.125 CW 15 meters 21.025 – 21.200 CW 10 meters 28.000 – 28.300
