http://elecraft.85.s1.nabble.com/Re-AX1-Loaded-Whip-Antenna-Elevation-and-tp7654337p7654742.html
have been about people using it for more than that ... like camping and
> It’s designed for /PM and stealth ops. In many other situations, of
> course, a longer/higher antenna will be more efficient.
>
> 73,
> Wayne
> N6KR
>
> ----
> elecraft.com <
http://elecraft.com>
>
> On Aug 26, 2019, at 9:26 PM, David Gilbert <
[hidden email]
> <mailto:
[hidden email]>> wrote:
>
>>
>> I think users of the AX1 would be better off thinking of IT as the
>> counterpoise, and making the most out of what they normally consider
>> to be the counterpoise wire.
>>
>> Look at it this way. Unless you have a lot of current on the shield
>> of the coax (in which case IT is doing a lot of radiating), roughly
>> equal currents are going to try to go both ways from the feedpoint
>> ... into the AX1 and into the "counterpoise" wire. The AX1 is
>> typically physically shorter and it certainly has more loss, and
>> since the radiated field is a function of net current and length, in
>> most cases the counterpoise wire is at least trying to do the most
>> radiating. I say "in most cases" because the typical position of the
>> counterpoise wire puts it along the ground or near some other
>> RF-sucking structure.
>>
>> In my opinion, probably the best way to use the AX1 is to put the
>> counterpoise wire as straight, high, and in the clear as possible and
>> let the AX1 act like the shortened other half of the circuit (i.e.,
>> the counterpoise). If that isn't possible, make the counterpoise
>> wire as straight and vertical as possible ... climb a tree and let
>> the wire hang down. ;)
>>
>> If I had a good EZNEC model of the AX1 I'm pretty sure I could prove
>> that assertion, but for those who have an AX1 I'd bet some field
>> strength experiments would bear me out.
>>
>> I'm not saying that the AX1 isn't a worthwhile investment, and I'm
>> not saying it doesn't radiate. I just think there are some
>> misconceptions on what it's actually doing and how to best make use
>> of it.
>>
>> 73,
>> Dave AB7E
>>
>>
>>
>>
>> On 8/26/2019 3:51 PM, MaverickNH wrote:
>>> I brought along a NanoVNA this trip and used it to array the two
>>> counterpoise
>>> attached to my AX1 antenna - adjustments of counterpoise brought SWR
>>> down
>>> from 9+ to <2. SNRs in the low ‘teens with a 200mW WSPRlite vs upper
>>> 20s -
>>> *inside* a hotel room with sealed windows.
>>>
>>> As Wayne said, the AX1 is particular wrt configuration. When it’s
>>> good, it’s
>>> very, very good, but when it’s bad, it’s terrible. The NanoVNA is pretty
>>> cheap/light kit to add if you’re not bringing an ATU-enabled rig.
>>>
>>> Bret/N4SRN
>>
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