A colleague at work showed up with a fairly bad case of poison oak. We
lived in a rural area in the Sierra Nevada foothills, had a lot of
poison oak, and also had a lot of manzanita, the leaves of which, when
boiled to make a solution and spread on, will really help. So, I
collected a bag of
AX-1 Whip Antenna
Sometimes the burn feels good!
> On Sep 25, 2022, at 7:17 PM, Wayne Burdick wrote:
>
> No. But try on a little poison oak followed by a hot shower. OMG. That’s the
> nice burn.
>
>
> elecraft.com
>
>> On Sep 25, 2022, at 12:11 PM, Fred J
Sometimes the burn feels good!
> On Sep 25, 2022, at 7:17 PM, Wayne Burdick wrote:
>
> No. But try on a little poison oak followed by a hot shower. OMG. That’s the
> nice burn.
>
>
> elecraft.com
>
>> On Sep 25, 2022, at 12:11 PM, Fred Jensen wrote:
>>
>> There is no such thing as a
No. But try on a little poison oak followed by a hot shower. OMG. That’s the
nice burn.
elecraft.com
> On Sep 25, 2022, at 12:11 PM, Fred Jensen wrote:
>
> There is no such thing as a "nice" RF burn.
>
> 73,
>
> Fred ["Skip"] K6DGW
> Sparks NV DM09dn
> Washoe County
>
> Steve L wrote
There is no such thing as a "nice" RF burn.
73,
Fred ["Skip"] K6DGW
Sparks NV DM09dn
Washoe County
Steve L wrote on 9/24/2022 6:36 PM:
Caution when using this location: Make sure your counterpoise is insulated and
there’s no way to contact bare metal at this point with your hand when using
Caution when using this location: Make sure your counterpoise is insulated and
there’s no way to contact bare metal at this point with your hand when using
the KX2 hand-held ‘walkie-talkie’ style. I received a nice RF burn on my hand
at this point once!
Steve
AA8AF
> On Sep 24, 2022, at 3:
No, actually, what he said that you left off says things that counter your
comments.
On 9/24/2022 1:47 AM, Jim Brown wrote:
On 9/24/2022 12:31 AM, David Gilbert wrote:
I haven't done much portable operation except for Field Day, and when I do I
have access to tall trees for some pretty good wi
The other nice feature of the KX2 is the mini banana jack on the side of the
radio for attaching the counterpoise . It’s perfect for pedestrian mobile and
should you encounter some sort of snag it’ll pop out before the wire
breaks.Wayne can better comment than me,but I believe the resonance of t
The wire drags behind you. This is why we sometimes call it a "dragged
counterpoise."
The wire supplied with the AX1, AX2, and AXE1 is quite slippery and unlikely to
snag on anything. I've dragged it between cacti in the deserts of New Mexico;
across serpentine outcrops along the Pacific coast;
I'm curious about your pedestrian mobile statement. What do you do with the
13 foot counterpoise, does it drag behind you when walking? I doubt that you
can make a QSO without it. Also with the 13 foot counterpoise, what 20m
frequency is the AX1 resonant on?
John KK9A
Dan Presley n7cqr wrote:
On 9/24/2022 3:09 AM, David Wilcox wrote:
I was an early TenTec follower too and miss them dearly.
And so was I -- and founder Al Kahn who sold Electro-Voice, another
great American company he co-founded in the '30s, did a lot to keep
Heathkit and ARRL alive during WWII, and founded Ten Tec,
On 9/24/2022 12:31 AM, David Gilbert wrote:
I haven't done much portable operation except for Field Day, and when I
do I have access to tall trees for some pretty good wire antennas ...
including wire yagis.
Dave,
This sentence says it all. Your experience and hamming is very different
from
I haven't done much portable operation except for Field Day, and when I
do I have access to tall trees for some pretty good wire antennas ...
including wire yagis.
But I did make a portable vertical antenna that I can set up anywhere.
It uses four 4' long 1/2 inch diameter aluminum tubes t
I wanted to revisit this discussion to add a perspective that I think needs to
be considered. First,as far as modeling short verticals I believe it’s possible
to use something like the ‘poor man’s’ AX1 that Doug Hendricks developed at
Pacificon in 2019. A group of us from Oregon went and parti
> On Sep 22, 2022, at 9:47 AM, Jim Clymer wrote:
>
>
>
> On Thu, Sep 22, 2022, 11:28 AM Wayne Burdick wrote:
> Yes indeed.
>
> This is why you need an ATU when using such antennas. The ATU can correct for
> terrain, counterpoise length and deployment, body capacitance, conductors
> associ
On Thu, Sep 22, 2022, 11:28 AM Wayne Burdick wrote:
> Yes indeed.
>
> This is why you need an ATU when using such antennas. The ATU can correct
> for terrain, counterpoise length and deployment, body capacitance,
> conductors associated with other connected devices, etc.
>
> Wayne
>
So that woul
Yes indeed.
This is why you need an ATU when using such antennas. The ATU can correct for
terrain, counterpoise length and deployment, body capacitance, conductors
associated with other connected devices, etc.
Wayne
> On Sep 21, 2022, at 11:52 PM, Dave (NK7Z) wrote:
>
> Then I believe the c
On 9/21/2022 11:52 PM, Dave (NK7Z) wrote:
Then I believe the case, and everything connected to the case ground,
will become part of the antenna system.
Yep.
The counterpoise for VHF/UHF talkies is the operator's body, capacity
coupled to the case. It's also possible to improve TX slightly (a
Then I believe the case, and everything connected to the case ground,
will become part of the antenna system.
73,
Dave,
https://www.nk7z.net
On 9/21/22 23:08, Wayne Burdick wrote:
So yes, it CAN be a fact that the coax feedline to the AX1 could be doing more
of the radiating than the whip, dep
> So yes, it CAN be a fact that the coax feedline to the AX1 could be doing
> more of the radiating than the whip, depending on length. :)
>
> 73, Jim K9YC
The primary use-case for the AX1 is directly attached the radio -- coax length
zero.
Wayne
N6KR
__
On 9/21/2022 7:29 PM, David Gilbert wrote:
It is my opinion, however, that most of the radiating on an AX1 (or any
other short loaded whip) is being done by the counterpoise wire and/or
the shield of the coax. The coil and whip are matching aids.
In FACT, not opinion, if you model ANY end-fed
I never said that there was anything wrong with using a counterpoise.
On the contrary, it makes a ton of sense to use one if at all possible
... it's most likely the best radiator in any similar system.
I'm not "claiming" that a resistor with a counterpoise is as effective
as a short loade
> On Sep 21, 2022, at 10:12 PM, Dan Presley wrote:
>
> I believe what Wayne meant to say was’now replace the AX1 with a resistor’
> not a wire.
Yes, that's what I meant. An edit went awry -- thanks for catching it.
Wayne
> Nonetheless the AX1 and 2 still serve a definite purpose in portable
I believe what Wayne meant to say was’now replace the AX1 with a resistor’ not
a wire. Nonetheless the AX1 and 2 still serve a definite purpose in portable
operating that a resistor or light bulb won’t 🤪. And I fail to see what the
problem is with using a counterpoise,even if it’s doing some of
Why would I replace the wire with a resistor? I was talking about
replacing the AX1 with a resistor and keeping the wire.
I have no doubt that an AX1 without a wire hears better than a resistor
without a wire, but that's mostly because the resistor provides a better
match and can't rely on
Dave,
I've done many variations on whip antenna tests.
A resonant 4' whip with or without a counterpoise is on a different planet from
a resistor. If an AX1 were listening in on this conversation, it would
challenge you to a duel, with live ammo :)
In fact the counterpoise is absolutely requi
Well, the reason I mentioned the 50 ohm resistor is that a year or so
ago somebody on this reflector mentioned that he did a direct comparison
between an AX1 with the recommended 13 foot wire counterpoise and with
no counterpoise at all. I don't remember for certain but I think he
said he u
Thomas Schiller, N6BT once wrote an article titled "Everything Works". In
the article he discussed how he worked all continents on CW (a mode that you
can actually hear) using a light bulb antenna during the ARRL DX contest.
The AX1 appears to be a 45" whip with a base inductor made of 20AWG wire.
The AX-line, including the AX1, AX2, and various accessories, is intended to
make casual/ad-hoc operation so easy that everyone does it a lot more. It
worked on me :)
As noted in the instruction manuals, a longer and/or higher antenna is great if
you have the time and materials available to put
Don’t forget, anything that you use as a vertical you can also use in a
horizontal configuration.
Gerry Leary Wb6ivf
On Sep 19, 2022, at 3:16 PM, Marshall Harrison wrote:
I Know it is a compromised design but it may be all I will have soon. We
are moving 400+ miles north from FL into the moun
I Know it is a compromised design but it may be all I will have soon. We
are moving 400+ miles north from FL into the mountains of NC this weekend.
I'll be living in an upstairs condo so putting the AX-1 in a window may be
the best I can do. I don't think the ceiling is high enough for my Wolf
Rive
Then we shrank it by 70% (AX2 :)
Wayne
> On Sep 19, 2022, at 11:32 AM, Jim Brown wrote:
>
> Wayne is quite proud of that antenna design for its intended purpose,
> walking/biking portable. We chatted about it at Visalia when his design was
> still on paper.
>
> 73, Jim K9YC
>
> On 9/19/202
I set mine up on a camera tripod on my patio and worked Japan on 17m FT8
with 2 watts on my KX3. It certainly does work.
73, Dennis NJ6G
On 9/19/2022 10:33, Ron Gruner wrote:
I've been impressed by how well my little AX-1 whip antenna performs on 20
meters. Here's a photo of the rig: https://g
...@gruner.com)
Date: 09/19/22 13:34
To: elecraft@mailman.qth.net
Subject: [Elecraft] Elecraft AX-1 Whip Antenna
I've been impressed by how well my little AX-1 whip antenna performs on 20
meters. Here's a photo of the rig: https://gruner.com/k4rhg/andover_ma.png
and the propagation
Wayne is quite proud of that antenna design for its intended purpose,
walking/biking portable. We chatted about it at Visalia when his design
was still on paper.
73, Jim K9YC
On 9/19/2022 10:53 AM, David Gilbert wrote:
A comparison to any other antenna would be useful. A comparison to a 50
A comparison to any other antenna would be useful. A comparison to a 50
ohm resistor with a similar counterpoise wire would be even more useful
as a baseline measurement. If anyone wants to lend me their AX1 I will
do that.
73,
Dave AB7E
On 9/19/2022 10:33 AM, Ron Gruner wrote:
I've
I've been impressed by how well my little AX-1 whip antenna performs on 20
meters. Here's a photo of the rig: https://gruner.com/k4rhg/andover_ma.png
and the propagation map: https://gruner.com/k4rhg/wspr_2watts_sep16_2022.png
A friend, Derek Rowell (AK1WI), gave me a two-watt WSPR kit he had desi
: elecraft-boun...@mailman.qth.net
[mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Jobst Vandrey
Sent: Friday, December 06, 2019 3:16 PM
To: Steve Hull
Cc: Elecraft Reflector
Subject: Re: [Elecraft] AX-1 whip antenna
Sorry - I don't have very short jumpers available right now for that te
Of course there is considerable feedline RF -- the feedline is acting as
a counterpoise, carrying return current from the antenna.
The problem is that the AX-1 is intended for use hand-portable rigs like
the KX3 running battery power CW/SSB. Your attempted use of it as a
fixed antenna and with
Sorry - I don't have very short jumpers available right now for that test -
the actual setup has 2 feet of coax between the antenna and the isolation
transformer followed by 4 feet of coax to the K3 connector. This
configuration works fine when testing in FT8 mode at 20 watts on 20 meters
and als
In most applications there should be 2 RF chokes. The first RF choke
should be at the antenna feed point, and a 2nd RF choke at the radio. I
find that Jim, K9YC has done excellent work in this regard. This is a
case where many hams and balun companies only go at the problem "half
baked".
I wonder what would happen if you moved the 1:1 choke to the other end of
your feedline (closer to your K3)?
-Steve
On Fri, Dec 6, 2019, 11:41 AM Jobst Vandrey wrote:
> I have been trying to come up with a antenna for use in an apartment with
> only limited success. I have now set up the Elecr
I have been trying to come up with a antenna for use in an apartment with
only limited success. I have now set up the Elecraft AX-1 antenna and it
seems to play well with my K3 indoors with the antenna placed in a window
supported by a folding camera tripod.
One caveat is that there seems to be
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