Re: [Elecraft] Elecraft AX-1 Whip Antenna

2022-09-22 Thread Wayne Burdick
> 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 >

[Elecraft] K4 Youtube Videos

2022-09-22 Thread Don Rasmussen via Elecraft
Hi Guys, I am not seeing very much in the way of Youtube videos for K4 in comparison to TS890, IC7610, Ftdx101. With more K4's being delivered lately maybe someone will do some everyday SSB/Cw demo videos? ;-) de Wb8yqj Don Carlsbad, Ca. USA

Re: [Elecraft] Elecraft AX-1 Whip Antenna

2022-09-22 Thread Jim Clymer
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

Re: [Elecraft] Elecraft AX-1 Whip Antenna

2022-09-22 Thread Wayne Burdick
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

Re: [Elecraft] Elecraft AX-1 Whip Antenna

2022-09-22 Thread Jim Brown
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

Re: [Elecraft] Elecraft AX-1 Whip Antenna

2022-09-22 Thread Dave (NK7Z)
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,

Re: [Elecraft] Elecraft AX-1 Whip Antenna

2022-09-22 Thread Wayne Burdick
> 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

Re: [Elecraft] Elecraft AX-1 Whip Antenna

2022-09-22 Thread Jim Brown
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