The ARRL extra class license manualde Larry D. WolfgangMateriasLicensesExaminations, questionsRadioRadio operatorsEdiciones (1)The ARRL extra class license manual (2000)ARRL · inglésMás obras de Larry D. WolfgangNow you're talking!Now you're talking!The ARRL 1987-1988 technician/general class license manual for the radio amateur
TThe Arrl 1986-1987 Technician/General Class License Manual fThe Arrl 1986-1987 Technician/General Class License Manual for the Radio Amateur1986