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Handheld Direction Finding Loop Antenna for RFI Location - ARRL
A good way to locate radio-frequency interference (RFI) in the HF bands is with a small direction finding antenna and a portable radio. Learn More
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FCC Rules and Regulations - ARRL
The American Radio Relay League (ARRL) is the national association for amateur radio, connecting hams around the U.S. with news, information and resources. Learn More
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New Basic Antenna Book Available from ARRL
Nov 18, 2008 ... The American Radio Relay League (ARRL) is the national association for amateur radio, connecting hams around the U.S. with news, ... Learn More
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Book on Amateur Radio's "Golden Age" Now Available from ARRL
Oct 15, 2008 ... The American Radio Relay League (ARRL) is the national association for amateur radio, connecting hams around the U.S. with news, ... Learn More
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Propagation and Radio Science Now Available as E-Book - ARRL
May 12, 2015 ... The American Radio Relay League (ARRL) is the national association for amateur radio, connecting hams around the U.S. with news, ... Learn More
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Power Line Noise - ARRL
In this case we tuned our DDF locator to the frequency of channel 4. Let's now consider a complaint from an amateur radio operator with RFI at 21.4 MHz. The ... Learn More
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Store - ARRL
Books (85) · eBooks (6). +. Merchandise (51) · Accessories (9) · Apparel (42). Show ... Antenna Book (4). +. Beginners (14). +. Best Sellers (8). +. Clearance (6). Learn More
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Arizona Section Newsletter September 2019 - ARRL
Fall is right around the corner and Amateur Radio activities appear everywhere on the calendar. Our. ARRL-AZ ARRL team is visiting the Duke City ARRL ... Learn More
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Logbook of The World - ARRL
LoTW is a web-accessed database and repository that enables you to submit electronic logs for amateur radio contacts (QSOs) and for confirmation (QSLs). Learn More
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New Book Magic Band Antennas for Ham Radio is Now Shipping!
Oct 28, 2018 ... The American Radio Relay League (ARRL) is the national association for amateur radio, connecting hams around the U.S. with news, ... Learn More
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