Galina Mihaylova & Anton Ivanov

AMTOR

What is AMTOR?

AMTOR stands for “AMateur Teleprinting Over Radio”. The advantage of this mode is the additional error correction. Its commercial variant is called SITOR.

Frequencies for AMTOR

AMTOR activity frequencies:

80 m 3.580 – 3.600 kHz. In Japan 3.525 kHz.
40 m 7.035 – 7.043 kHz
30 m 10.140 – 10.150 kHz
20 m 14.080 – 14.099 kHz
17 m 18.095 – 18.105 kHz
15 m 21.080 – 21.110 kHz
12 m 24.915 – 24.929 kHz
10 m 28.080 – 28.150 kHz

Features in AMTOR

AMTOR operation follows procedures analogous to RTTY.

The frequency for AMTOR activity on the 80m range is 3637.5 kHz. According to the frequency plan, it coincides with a section favored for SSB competitions. The frequency plan has priority and if there are SSB competitions in this frequency range, AMTOR fans should be aware of this and wait for their completion before operating or selecting another suitable range.

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