QuestenaUn entraînement qui indique quoi revoir ensuite
RechercheCréer un test
Question 99

What is VARA?

  1. A low signal-to-noise digital mode used for EME (moonbounce)
  2. A digital protocol used with WinlinkBonne réponse
  3. A radio direction finding system used on VHF and UHF
  4. A DX spotting system using a network of software defined radios

Explication

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.

Continuer avec ce test

Commencer l’entraînement
Comprendre ce thème (≈7 min)Retour au test
Question 99: What is VARA? · FCC General Class (Element 3) · Questena