I agree on a 49:! Unun for HWEF use. For 1.8 mhz special care should be
taken in the design.
G.
On May 7, 2024 8:48:02 PM Michael Shanks via BVARC <[email protected]> wrote:
I do believe it would be best to go to a 64 to 1 ballon I believe it’s 64
to one I could be wrong rather than the 49 to one for that wire if you got
the space try it I have
Sent from my iPhone
On May 7, 2024, at 8:24 PM, Michael Shanks <[email protected]> wrote:
If I remember correctly, my NF half wave for 180 was 262 with a 49 one
ballon about 20 foot to 37 foot up in the air worked well with that much
wire in the air. You’d be surprised what you can hear.
Sent from my iPhone
On May 6, 2024, at 7:08 PM, Gary Sitton via BVARC <[email protected]> wrote:
Also, if the main portion isn't well above ground, you'll need to make the
length greater to account for the capacitive effect of the ground itself. L
configurations are very effective but avoid the inverted V scheme.
G.
On May 6, 2024 12:58:52 PM Gary Sitton via BVARC <[email protected]> wrote:
Clue: HWEF (half wave end fed) so half of160 meters is 80 meters or about
250 feet!
Gary K5AMH
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