[Elecraft] PAR/LNR EFHW antenna
Lynn W. Taylor, WB6UUT
KX3.1 at ColdRocksHotBrooms.com
Tue Jan 9 17:51:36 EST 2018
What part of life isn't a trade-off?
Another answer might be "don't feed it at the end."
I'd be thinking about a quarter-wave of ladder line if I was aiming at
one band -- always liked J antennas.
A dipole is a lot closer to 50 ohms.
Lots of answers. All compromises.
73 -- Lynn
On 1/9/2018 2:37 PM, K9MA wrote:
> On 1/9/2018 15:48, Lynn W. Taylor, WB6UUT wrote:
>> The whole balun discussion comes from trying to match a near-infinite
>> impedance, and chopping the wire down a bit (or making it longer) is
>> going to bring it to an impedance that the tuner can match.
>
> That's a trade-off: You can match it without an external tuner designed
> for high impedance antennas, but the higher counterpoise current will
> waste some of your power. Also, the high current part of the wire,
> which does most of the radiating, may be closer to the ground.
>
> 73,
>
> Scott K9MA
>
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