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If your amateur radio operations are confined to the inside of your apartment or home governed by deed-restrictions (CC&Rs and HOAs), you may want to consider these MFJ antennas tested by Mark Elzey. He does a good job of explaining how the MFJ-1661 and the MFJ-1668 work and what can be expected from them inside your home. Of course, it would be preferable to mount these antennas outdoors, but they do a reasonably good job inside. A compromised antenna is better than no antenna.
For the latest Amateur Radio news and information, please visit these websites:
http://www.kh6jrm.info (breaking news for radio amateurs).
http://www.arrl.org/arrl-audio-news (a weekly news podcast issued each Friday).
Other sites of interest:
http://hawaiisciencedigest.com (science and technology news for radio amateurs).
https://hawaiiintelligencedigest.com (trends in geopolitical intelligence and cybersecurity).
https://paper.li/f-1482109921 (My daily intelligence briefing).
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Opinions expressed in this blog are mine unless otherwise stated.
Aloha es 73 de Russ (KH6JRM)