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The Launch of the Clean Signal Initiative - ARRL
For a radio to be CSI compliant for CW bandwidth and two-tone transmit IMD, it must achieve compliance on every band on which it can transmit. Composite noise. Learn More
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Digital Voice the Easy Way - ARRL
arrl.org/qst-in-depth. The Future of Digital HF Voice. FreeDV is a work in progress that has contributions from radio amateurs around the ... Learn More
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Digital Edition of April QST Now Available - ARRL
Every issue of QST is filled with the news and features you need to keep active in Amateur Radio. Find all this and more in the April issue of QST: Try ... Learn More
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Simple, Small 2- and 6-Meter Yagis - ARRL
He has published more than 150 technical papers and given more than 130 invited talks on various amateur radio sub- jects. You can reach Joe at w1jr@arrl.net. Learn More
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High-Frequency - Communications Receiver - ARRL
Subscribers to NCJ enjoy in-depth articles about the competitive side of amateur radio, while QEX readers experience tech- nical material written at a higher ... Learn More
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History of digital voice for HF - ARRL
Namely, to meet the expectations of amateur radio operators accustomed to SSB, FreeDV needed to be a fast sync, low latency, system without the extra overhead ... Learn More
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Who Was Bill Orr, W6SAI? - ARRL
Looking through the ARRL archives, I see that Bill wrote 584 articles for QST and Ham. Radio over a period spanning nearly half a century. This is in addition ... Learn More
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Kindle QST App FAQ - 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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QST Vintage Holiday Covers - 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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A Multi-Band End-Fed Antenna - ARRL
On GØKYA's Amateur Radio. Blog, Steve wrote an article titled “A shortened multi- band End-Fed Half Wave (EFHW) antenna for. 80-10m” (https://g0kya.blogspot.com ... Learn More
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