سؤال 99

What is VARA?

A low signal-to-noise digital mode used for EME (moonbounce)
A digital protocol used with Winlinkپاسخ درست
A radio direction finding system used on VHF and UHF
A DX spotting system using a network of software defined radios

توضیح

VARA is a software modem protocol, most familiar as one of the transports Winlink uses over HF and VHF. It is not a weak-signal EME mode, a direction finding system or a spotting network.

توضیح

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