Radio Amateur Quiz Canadian License

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Question B-003-015-010

When using AMTOR transmissions, there are two modes that may be utilized. Mode A uses Automatic Repeat Request (ARQ) protocol and is normally used:

Correct Answer

for communications after contact has been established

Explanation

AMTOR Mode A (ARQ) is a connected, error-correcting mode suitable for point-to-point communication once contact is established. Mode B (FEC) is a broadcast-style mode.

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