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Amazon.com: Navy Electricity and Electronics Training Series: Module 17 - Radio-Frequency Communications Principles - NAVEDTRA 14189A: 9781387965564: Navy, U.S.: Books
![File:US Navy 041207-N-5362F-304 Sailors use high frequency radios and couplers aboard USS Shiloh (CG 67) to talk with other ships in the USS Abraham Lincoln (CVN 72) Carrier Strike Group (CSG).jpg - File:US Navy 041207-N-5362F-304 Sailors use high frequency radios and couplers aboard USS Shiloh (CG 67) to talk with other ships in the USS Abraham Lincoln (CVN 72) Carrier Strike Group (CSG).jpg -](https://upload.wikimedia.org/wikipedia/commons/b/bf/US_Navy_041207-N-5362F-304_Sailors_use_high_frequency_radios_and_couplers_aboard_USS_Shiloh_%28CG_67%29_to_talk_with_other_ships_in_the_USS_Abraham_Lincoln_%28CVN_72%29_Carrier_Strike_Group_%28CSG%29.jpg)
File:US Navy 041207-N-5362F-304 Sailors use high frequency radios and couplers aboard USS Shiloh (CG 67) to talk with other ships in the USS Abraham Lincoln (CVN 72) Carrier Strike Group (CSG).jpg -
![United States Frequency Allocations: The Radio Spectrum (Poster) - 2016 Edition | U.S. Government Bookstore United States Frequency Allocations: The Radio Spectrum (Poster) - 2016 Edition | U.S. Government Bookstore](https://bookstore.gpo.gov/sites/default/files/covers/003-000-00695-6.jpg)
United States Frequency Allocations: The Radio Spectrum (Poster) - 2016 Edition | U.S. Government Bookstore
The Navy Electricity and Electronics Training Series Module 17 Radio Frequency Communications Principles : United States. Navy : Free Download, Borrow, and Streaming : Internet Archive
![U.S. Navy Petty Officer 3rd Class Cody Sharlow verifies radio frequency cables on a commercial broadband U.S. Navy Petty Officer 3rd Class Cody Sharlow verifies radio frequency cables on a commercial broadband](https://media.defense.gov/2015/Feb/12/2001136778/-1/-1/0/857522-N-JGH57-346.jpg)