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" How to tune the secret shortwave spectrum / "


Document Type : BL
Record Number : 847707
Main Entry : Helms, Harry L.
Title & Author : How to tune the secret shortwave spectrum /\ by Harry L. Helms.
Edition Statement : 1st ed.
Publication Statement : Blue Ridge Summit, Pa. :: Tab Books,, ©1981.
Page. NO : 182 pages :: illustrations ;; 21 cm
ISBN : 0830611851
: : 9780830611850
Notes : Includes index.
Contents : Clandestine broadcasting -- Espionage radio activity -- Government and military communications -- Space communications -- Illegal communications -- Pirate broadcasting -- Esoteric, unknown and unidentified signals -- Receiving equipment and techniques -- Issues raised by the secret spectrum -- Latest happenings in the secret spectrum.
Subject : Radio broadcasting.
Subject : Radio frequency allocation.
Subject : Shortwave radio.
Subject : Radio broadcasting.
Subject : Radio frequency allocation.
Subject : Shortwave radio.
Dewey Classification : ‭384.54‬
LC Classification : ‭TK6553‬‭.H395‬
copyhttps://lib.clisel.com/site/catalogue/847707
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