The top documents tagged [vacuum tube rf power]

General Licensing Class Subelement G4, Questions Only Amateur Radio Practices 5 Exam Questions, 5 Groups.

General Licensing Class G4A – G4E Amateur Radio Practices Your organization and dates here.

SUBELEMENT G4 AMATEUR RADIO PRACTICES [5 Exam Questions - 5 groups]

G4 - AMATEUR RADIO PRACTICES [5 Questions - 5 groups]

G2E01 Which mode is normally used when sending an RTTY signal via AFSK with an transmitter? A.USB B.DSB C.CW D.LSB.