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Your 72′ antenna was between a 1/2 wave and 5/8 wave on 40 meters, so primarily radiated in the broadside direction. 124′ is approximately a full-wave on 40 meters. It still presents a high impedance at the end, but now it will have a 4-lobed pattern, roughly 45 degrees away from broadside. (These patterns become closer to omnidirectional as the antenna is lowered below 1/2 wave above the ground, though.)
Thanks, I was using Firefox as a browser and switched to Chrome and it worked. Probably a glitch with Firefox. Thx!
Rick
Fred,
Is there a different membership to view the pdf? When I click on the Membership Meeting Page, I can’t find the PDF. When I attempt to login on that page nothing happens (but I can log in on other pages, so maybe it is different membership?)
Thx,
Rick
KO4PRL
Hello Hamilton and James.
Thank you for your response and experience. The U/V arrived today, so hope to have it up this weekend (and yes, it does have ground plane). The dipole will take a bit longer since I’m being daring and building, but we’ll get there.
73.
Russ KD9SMG
I have a Diamond 200 on top of a 40 foot military aluminum pole with a 80M windom antenna below that, both with coax running down the poles. No issues seen so far after 2 years
73
KK4CJO
James
I am particularly fond of my TN07 Mast which covers all bands (with a basic tuner required for some). The mast collapses to about 4 feet long and you can mount it to a drive-on baseplate or a hitchmount. The cool thing about the mast is the radiating element is kept inside, not outside.