Re: [Elecraft] AX1 Loaded Whip Antenna - Elevation and Counterpoise?

2019-08-07 Thread David Gilbert 


Then you'd be using the T1 to partially drop the SWR on the coax, but it 
still wouldn't be anything close to 1:1 unless the T1 has a much broader 
range than the tuner in the KX2.  You'd still have some additional coax 
loss due to SWR (but less loss, of course) and you'd still need the 
tuner in the KX2 to get a match that wasn't a problem for the KX2.


I have to wonder how much loss there is in two tuners each trying to 
match a really bad load, and it still seems to me that the better 
approach if you're worried about every dB is to use a better antenna.  
Using a really short whip like the AX1 with 50 feet of coax and two 
tuners seems like a poor choice of tradeoffs.


73,
Dave   AB7E



On 8/7/2019 6:39 PM, Wayne Burdick wrote:

The SWR could easily exceed 15:1, depending on the operating frequency (short 
loaded whips can be very narrow banded) and other factors that apply to 
portable operation such as radial configuration, ground characteristics, and 
antenna height.

Even 2 dB matters when you're using QRP.

Wayne
N6KR



On Aug 7, 2019, at 5:13 PM, David Gilbert  wrote:


Rather little of this discussion makes sense to me.

Let's look at this realistically:

1.  The antenna tuner in the KX2 is rated to be good up to 10:1 SWR.  Let's 
assume it's good to 15:1.

2.  Let's assume you're using a decent cable for portable operation like RG-8X.

3.  Let's assume that the length of your coax when operating portable is not 
much more than 30 feet long.

4.  Let's assume under the current solar flux conditions you're spending most 
of your time on 20m or lower in frequency.

30 feet of RG-8X has a loss of 0.4 db or less for that length at those 
frequencies, and per the charts in the link below the additional loss due to a 
15:1 SWR is no more than 2 dB.

http://www.astrosurf.com/luxorion/qsl-transmission-line2.htm

Maybe it's just me, but I don't think that justifies dragging along a remote 
tuner.  You could recover a heck of a lot more dB by simply bringing a somewhat 
larger portable antenna.

73,
Dave   AB7E



On 8/7/2019 3:57 PM, Phil Hystad via Elecraft wrote:

Sounds like an idea worth trying — I have always wondered about the coax loss 
between my KX3/KX2 and my portable antenna no matter which one it is (i.e. 
AX-1, Wire and counterpoise wires, Buddipole, etc.).

But, really glad I did not sell the T1 on several occasions of thinking about 
selling it.  I have not used my T1 since I sold my KX1 almost three years ago.

phil, K7PEH


On Aug 7, 2019, at 10:23 AM, Wayne Burdick  wrote:

I think a T1 at the base would make a noticeable difference if the coax were 
more than a few feet long and the whip's resonance well removed from the target 
operating frequency. Short whips can be extremely narrow-banded.

Wayne





On Aug 7, 2019, at 7:40 AM, Don Wilhelm  wrote:

Bret,

Yes, the T1 mounted at the antenna will reduce the potential loss in the coax.

Will you notice the difference?  Maybe or maybe not.

73,
Don W3FPR

On 8/7/2019 7:54 AM, MaverickNH wrote:

It comes to mind I have an Elecraft T1 ATU I might try attaching directly to
the base of the AX1 rather than relying on the KX2 ATU 25-40ft from the
antenna. I try to operate closer but sometimes have to run that RG58 to
clear obstructions. Thoughts?

__
Elecraft mailing list
Home: http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:Elecraft@mailman.qth.net

This list hosted by: http://www.qsl.net
Please help support this email list: http://www.qsl.net/donate.html
Message delivered to n...@elecraft.com

__
Elecraft mailing list
Home: http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:Elecraft@mailman.qth.net

This list hosted by: http://www.qsl.net
Please help support this email list: http://www.qsl.net/donate.html
Message delivered to phys...@mac.com

__
Elecraft mailing list
Home: http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:Elecraft@mailman.qth.net

This list hosted by: http://www.qsl.net
Please help support this email list: http://www.qsl.net/donate.html
Message delivered to xda...@cis-broadband.com

__
Elecraft mailing list
Home: http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:Elecraft@mailman.qth.net

This list hosted by: http://www.qsl.net
Please help support this email list: http://www.qsl.net/donate.html
Message delivered to n...@elecraft.com




__
Elecraft mailing list
Home: http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:Elecraft@mailman.qth.net

This list hosted by:

Re: [Elecraft] AX1 Loaded Whip Antenna - Elevation and Counterpoise?

2019-08-07 Thread Wayne Burdick 
The SWR could easily exceed 15:1, depending on the operating frequency (short 
loaded whips can be very narrow banded) and other factors that apply to 
portable operation such as radial configuration, ground characteristics, and 
antenna height. 

Even 2 dB matters when you're using QRP.

Wayne
N6KR


> On Aug 7, 2019, at 5:13 PM, David Gilbert  wrote:
> 
> 
> Rather little of this discussion makes sense to me.
> 
> Let's look at this realistically:
> 
> 1.  The antenna tuner in the KX2 is rated to be good up to 10:1 SWR.  Let's 
> assume it's good to 15:1.
> 
> 2.  Let's assume you're using a decent cable for portable operation like 
> RG-8X.
> 
> 3.  Let's assume that the length of your coax when operating portable is not 
> much more than 30 feet long.
> 
> 4.  Let's assume under the current solar flux conditions you're spending most 
> of your time on 20m or lower in frequency.
> 
> 30 feet of RG-8X has a loss of 0.4 db or less for that length at those 
> frequencies, and per the charts in the link below the additional loss due to 
> a 15:1 SWR is no more than 2 dB.
> 
> http://www.astrosurf.com/luxorion/qsl-transmission-line2.htm
> 
> Maybe it's just me, but I don't think that justifies dragging along a remote 
> tuner.  You could recover a heck of a lot more dB by simply bringing a 
> somewhat larger portable antenna.
> 
> 73,
> Dave   AB7E
> 
> 
> 
> On 8/7/2019 3:57 PM, Phil Hystad via Elecraft wrote:
>> Sounds like an idea worth trying — I have always wondered about the coax 
>> loss between my KX3/KX2 and my portable antenna no matter which one it is 
>> (i.e. AX-1, Wire and counterpoise wires, Buddipole, etc.).
>> 
>> But, really glad I did not sell the T1 on several occasions of thinking 
>> about selling it.  I have not used my T1 since I sold my KX1 almost three 
>> years ago.
>> 
>> phil, K7PEH
>> 
>>> On Aug 7, 2019, at 10:23 AM, Wayne Burdick  wrote:
>>> 
>>> I think a T1 at the base would make a noticeable difference if the coax 
>>> were more than a few feet long and the whip's resonance well removed from 
>>> the target operating frequency. Short whips can be extremely narrow-banded.
>>> 
>>> Wayne
>>> 
>>> 
>>> 
>>> 
 On Aug 7, 2019, at 7:40 AM, Don Wilhelm  wrote:
 
 Bret,
 
 Yes, the T1 mounted at the antenna will reduce the potential loss in the 
 coax.
 
 Will you notice the difference?  Maybe or maybe not.
 
 73,
 Don W3FPR
 
 On 8/7/2019 7:54 AM, MaverickNH wrote:
> It comes to mind I have an Elecraft T1 ATU I might try attaching directly 
> to
> the base of the AX1 rather than relying on the KX2 ATU 25-40ft from the
> antenna. I try to operate closer but sometimes have to run that RG58 to
> clear obstructions. Thoughts?
 __
 Elecraft mailing list
 Home: http://mailman.qth.net/mailman/listinfo/elecraft
 Help: http://mailman.qth.net/mmfaq.htm
 Post: mailto:Elecraft@mailman.qth.net
 
 This list hosted by: http://www.qsl.net
 Please help support this email list: http://www.qsl.net/donate.html
 Message delivered to n...@elecraft.com
>>> __
>>> Elecraft mailing list
>>> Home: http://mailman.qth.net/mailman/listinfo/elecraft
>>> Help: http://mailman.qth.net/mmfaq.htm
>>> Post: mailto:Elecraft@mailman.qth.net
>>> 
>>> This list hosted by: http://www.qsl.net
>>> Please help support this email list: http://www.qsl.net/donate.html
>>> Message delivered to phys...@mac.com
>> __
>> Elecraft mailing list
>> Home: http://mailman.qth.net/mailman/listinfo/elecraft
>> Help: http://mailman.qth.net/mmfaq.htm
>> Post: mailto:Elecraft@mailman.qth.net
>> 
>> This list hosted by: http://www.qsl.net
>> Please help support this email list: http://www.qsl.net/donate.html
>> Message delivered to xda...@cis-broadband.com
> 
> __
> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:Elecraft@mailman.qth.net
> 
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html
> Message delivered to n...@elecraft.com

__
Elecraft mailing list
Home: http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:Elecraft@mailman.qth.net

This list hosted by: http://www.qsl.net
Please help support this email list: http://www.qsl.net/donate.html
Message delivered to arch...@mail-archive.com

Re: [Elecraft] AX1 Loaded Whip Antenna - Elevation and Counterpoise?

2019-08-07 Thread David Gilbert 


Scroll down to the original post.  We were talking about a KX2 with an 
internal antenna tuner.  Presumably the tuner works as it should to 
present the proper load to the finals.


73,
Dave   AB7E


On 8/7/2019 5:29 PM, Mark Goldberg wrote:
You need to take into account the radio finals. When the SWR is high, 
My KX3 cuts back because it gets too much reflected power. I expect 
the KX3, and in fact any other radio or amplifier is similar. 15:1 is 
about half the power coming back.


Regards,

Mark
W7MLG


On Wed, Aug 7, 2019 at 5:14 PM David Gilbert > wrote:



Rather little of this discussion makes sense to me.

Let's look at this realistically:

1.  The antenna tuner in the KX2 is rated to be good up to 10:1 SWR.
Let's assume it's good to 15:1.

2.  Let's assume you're using a decent cable for portable
operation like
RG-8X.

3.  Let's assume that the length of your coax when operating
portable is
not much more than 30 feet long.

4.  Let's assume under the current solar flux conditions you're
spending
most of your time on 20m or lower in frequency.

30 feet of RG-8X has a loss of 0.4 db or less for that length at
those
frequencies, and per the charts in the link below the additional loss
due to a 15:1 SWR is no more than 2 dB.

http://www.astrosurf.com/luxorion/qsl-transmission-line2.htm

Maybe it's just me, but I don't think that justifies dragging along a
remote tuner.  You could recover a heck of a lot more dB by simply
bringing a somewhat larger portable antenna.

73,
Dave   AB7E



On 8/7/2019 3:57 PM, Phil Hystad via Elecraft wrote:
> Sounds like an idea worth trying — I have always wondered about
the coax loss between my KX3/KX2 and my portable antenna no matter
which one it is (i.e. AX-1, Wire and counterpoise wires,
Buddipole, etc.).
>
> But, really glad I did not sell the T1 on several occasions of
thinking about selling it.  I have not used my T1 since I sold my
KX1 almost three years ago.
>
> phil, K7PEH
>
>> On Aug 7, 2019, at 10:23 AM, Wayne Burdick mailto:n...@elecraft.com>> wrote:
>>
>> I think a T1 at the base would make a noticeable difference if
the coax were more than a few feet long and the whip's resonance
well removed from the target operating frequency. Short whips can
be extremely narrow-banded.
>>
>> Wayne
>>
>>
>>
>>
>>> On Aug 7, 2019, at 7:40 AM, Don Wilhelm
mailto:donw...@embarqmail.com>> wrote:
>>>
>>> Bret,
>>>
>>> Yes, the T1 mounted at the antenna will reduce the potential
loss in the coax.
>>>
>>> Will you notice the difference?  Maybe or maybe not.
>>>
>>> 73,
>>> Don W3FPR
>>>
>>> On 8/7/2019 7:54 AM, MaverickNH wrote:
 It comes to mind I have an Elecraft T1 ATU I might try
attaching directly to
 the base of the AX1 rather than relying on the KX2 ATU
25-40ft from the
 antenna. I try to operate closer but sometimes have to run
that RG58 to
 clear obstructions. Thoughts?



__
Elecraft mailing list
Home: http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:Elecraft@mailman.qth.net

This list hosted by: http://www.qsl.net
Please help support this email list: http://www.qsl.net/donate.html
Message delivered to arch...@mail-archive.com

Re: [Elecraft] AX1 Loaded Whip Antenna - Elevation and Counterpoise?

2019-08-07 Thread Phil Hystad via Elecraft 
Some points…

“…dragging along a remote tuner”

Surely you are kidding or you get the award for hyperbole of the day.  The T1 
fits in my shirt pocket!  It is zero effort to bring — no “dragging” required.

And, I operate with 50 feet of coax because carrying multiple different lengths 
of coax on various trips where I operate portable does get into dragging.  
There have been some situations where 50 feet has not been enough such as in 
one national park where the convenient picnic table was quite a distance from 
the nearest convenient tree.

phil, K7PEH

> On Aug 7, 2019, at 5:13 PM, David Gilbert  wrote:
> 
> 
> Rather little of this discussion makes sense to me.
> 
> Let's look at this realistically:
> 
> 1.  The antenna tuner in the KX2 is rated to be good up to 10:1 SWR.  Let's 
> assume it's good to 15:1.
> 
> 2.  Let's assume you're using a decent cable for portable operation like 
> RG-8X.
> 
> 3.  Let's assume that the length of your coax when operating portable is not 
> much more than 30 feet long.
> 
> 4.  Let's assume under the current solar flux conditions you're spending most 
> of your time on 20m or lower in frequency.
> 
> 30 feet of RG-8X has a loss of 0.4 db or less for that length at those 
> frequencies, and per the charts in the link below the additional loss due to 
> a 15:1 SWR is no more than 2 dB.
> 
> http://www.astrosurf.com/luxorion/qsl-transmission-line2.htm
> 
> Maybe it's just me, but I don't think that justifies dragging along a remote 
> tuner.  You could recover a heck of a lot more dB by simply bringing a 
> somewhat larger portable antenna.
> 
> 73,
> Dave   AB7E
> 
> 
> 
> On 8/7/2019 3:57 PM, Phil Hystad via Elecraft wrote:
>> Sounds like an idea worth trying — I have always wondered about the coax 
>> loss between my KX3/KX2 and my portable antenna no matter which one it is 
>> (i.e. AX-1, Wire and counterpoise wires, Buddipole, etc.).
>> 
>> But, really glad I did not sell the T1 on several occasions of thinking 
>> about selling it.  I have not used my T1 since I sold my KX1 almost three 
>> years ago.
>> 
>> phil, K7PEH
>> 
>>> On Aug 7, 2019, at 10:23 AM, Wayne Burdick  wrote:
>>> 
>>> I think a T1 at the base would make a noticeable difference if the coax 
>>> were more than a few feet long and the whip's resonance well removed from 
>>> the target operating frequency. Short whips can be extremely narrow-banded.
>>> 
>>> Wayne
>>> 
>>> 
>>> 
>>> 
 On Aug 7, 2019, at 7:40 AM, Don Wilhelm  wrote:
 
 Bret,
 
 Yes, the T1 mounted at the antenna will reduce the potential loss in the 
 coax.
 
 Will you notice the difference?  Maybe or maybe not.
 
 73,
 Don W3FPR
 
 On 8/7/2019 7:54 AM, MaverickNH wrote:
> It comes to mind I have an Elecraft T1 ATU I might try attaching directly 
> to
> the base of the AX1 rather than relying on the KX2 ATU 25-40ft from the
> antenna. I try to operate closer but sometimes have to run that RG58 to
> clear obstructions. Thoughts?
 __
 Elecraft mailing list
 Home: http://mailman.qth.net/mailman/listinfo/elecraft
 Help: http://mailman.qth.net/mmfaq.htm
 Post: mailto:Elecraft@mailman.qth.net
 
 This list hosted by: http://www.qsl.net
 Please help support this email list: http://www.qsl.net/donate.html
 Message delivered to n...@elecraft.com
>>> __
>>> Elecraft mailing list
>>> Home: http://mailman.qth.net/mailman/listinfo/elecraft
>>> Help: http://mailman.qth.net/mmfaq.htm
>>> Post: mailto:Elecraft@mailman.qth.net
>>> 
>>> This list hosted by: http://www.qsl.net
>>> Please help support this email list: http://www.qsl.net/donate.html
>>> Message delivered to phys...@mac.com
>> __
>> Elecraft mailing list
>> Home: http://mailman.qth.net/mailman/listinfo/elecraft
>> Help: http://mailman.qth.net/mmfaq.htm
>> Post: mailto:Elecraft@mailman.qth.net
>> 
>> This list hosted by: http://www.qsl.net
>> Please help support this email list: http://www.qsl.net/donate.html
>> Message delivered to xda...@cis-broadband.com
> 
> __
> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:Elecraft@mailman.qth.net
> 
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html
> Message delivered to phys...@mac.com

__
Elecraft mailing list
Home: http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:Elecraft@mailman.qth.net

This list hosted by: http://www.qsl.net
Please help support this email list: http://www.qsl.net/donate.html
Message delivered to arch...@mail-archive.com

Re: [Elecraft] AX1 Loaded Whip Antenna - Elevation and Counterpoise?

2019-08-07 Thread David Gilbert 


Doesn't much matter.  You're still talking a 3 dB difference at most (50 
feet vs 30 feet), and while I will be the first to argue the benefit of 
every single dB for normal station operation (see 
http://www.ab7e.com/weak_signal/mdd.html), I don't understand the angxt 
over that 3 dB for portable operation.  If that's actually a concern, 
bring a better antenna.


73,
Dave   AB7E


On 8/7/2019 5:34 PM, Phil Hystad wrote:

Some points…

“…dragging along a remote tuner”

Surely you are kidding or you get the award for hyperbole of the day.  The T1 
fits in my shirt pocket!  It is zero effort to bring — no “dragging” required.

And, I operate with 50 feet of coax because carrying multiple different lengths 
of coax on various trips where I operate portable does get into dragging.  
There have been some situations where 50 feet has not been enough such as in 
one national park where the convenient picnic table was quite a distance from 
the nearest convenient tree.

phil, K7PEH


On Aug 7, 2019, at 5:13 PM, David Gilbert  wrote:


Rather little of this discussion makes sense to me.

Let's look at this realistically:

1.  The antenna tuner in the KX2 is rated to be good up to 10:1 SWR.  Let's 
assume it's good to 15:1.

2.  Let's assume you're using a decent cable for portable operation like RG-8X.

3.  Let's assume that the length of your coax when operating portable is not 
much more than 30 feet long.

4.  Let's assume under the current solar flux conditions you're spending most 
of your time on 20m or lower in frequency.

30 feet of RG-8X has a loss of 0.4 db or less for that length at those 
frequencies, and per the charts in the link below the additional loss due to a 
15:1 SWR is no more than 2 dB.

http://www.astrosurf.com/luxorion/qsl-transmission-line2.htm

Maybe it's just me, but I don't think that justifies dragging along a remote 
tuner.  You could recover a heck of a lot more dB by simply bringing a somewhat 
larger portable antenna.

73,
Dave   AB7E



On 8/7/2019 3:57 PM, Phil Hystad via Elecraft wrote:

Sounds like an idea worth trying — I have always wondered about the coax loss 
between my KX3/KX2 and my portable antenna no matter which one it is (i.e. 
AX-1, Wire and counterpoise wires, Buddipole, etc.).

But, really glad I did not sell the T1 on several occasions of thinking about 
selling it.  I have not used my T1 since I sold my KX1 almost three years ago.

phil, K7PEH


On Aug 7, 2019, at 10:23 AM, Wayne Burdick  wrote:

I think a T1 at the base would make a noticeable difference if the coax were 
more than a few feet long and the whip's resonance well removed from the target 
operating frequency. Short whips can be extremely narrow-banded.

Wayne





On Aug 7, 2019, at 7:40 AM, Don Wilhelm  wrote:

Bret,

Yes, the T1 mounted at the antenna will reduce the potential loss in the coax.

Will you notice the difference?  Maybe or maybe not.

73,
Don W3FPR

On 8/7/2019 7:54 AM, MaverickNH wrote:

It comes to mind I have an Elecraft T1 ATU I might try attaching directly to
the base of the AX1 rather than relying on the KX2 ATU 25-40ft from the
antenna. I try to operate closer but sometimes have to run that RG58 to
clear obstructions. Thoughts?

__
Elecraft mailing list
Home: http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:Elecraft@mailman.qth.net

This list hosted by: http://www.qsl.net
Please help support this email list: http://www.qsl.net/donate.html
Message delivered to n...@elecraft.com

__
Elecraft mailing list
Home: http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:Elecraft@mailman.qth.net

This list hosted by: http://www.qsl.net
Please help support this email list: http://www.qsl.net/donate.html
Message delivered to phys...@mac.com

__
Elecraft mailing list
Home: http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:Elecraft@mailman.qth.net

This list hosted by: http://www.qsl.net
Please help support this email list: http://www.qsl.net/donate.html
Message delivered to xda...@cis-broadband.com

__
Elecraft mailing list
Home: http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:Elecraft@mailman.qth.net

This list hosted by: http://www.qsl.net
Please help support this email list: http://www.qsl.net/donate.html
Message delivered to phys...@mac.com




__
Elecraft mailing list
Home: http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:Elecraft@mailman.qth.net

This list hosted by: http://www.qsl.net
Please help support this email list:

Re: [Elecraft] AX1 Loaded Whip Antenna - Elevation and Counterpoise?

2019-08-07 Thread Mark Goldberg 
Yeah, i didn't catch that he was going to use the internal tuner and just
forgo the external one at the other end of the coax.

In that case, I agree with Dave.

73,

Mark
W7MLG


On Wed, Aug 7, 2019 at 6:19 PM Wes  wrote:

> I haven't been following this thread closely but I think Dave makes good
> points.  As to the final fold-back, if I waded through this correctly, I
> understand that the OP has the built-in tuner in his KX2.  That solves
> that issue.
>
> BTW, SWR = 15:1 is a return loss of about 1.1 dB, not 3 dB.
>
> Wes  N7WS
>
>
> On 8/7/2019 5:29 PM, Mark Goldberg wrote:
> > You need to take into account the radio finals. When the SWR is high, My
> > KX3 cuts back because it gets too much reflected power. I expect the KX3,
> > and in fact any other radio or amplifier is similar. 15:1 is about half
> the
> > power coming back.
> >
> > Regards,
> >
> > Mark
> > W7MLG
> >
> >
> > On Wed, Aug 7, 2019 at 5:14 PM David Gilbert 
> > wrote:
> >
> >> Rather little of this discussion makes sense to me.
> >>
> >> Let's look at this realistically:
> >>
> >> 1.  The antenna tuner in the KX2 is rated to be good up to 10:1 SWR.
> >> Let's assume it's good to 15:1.
> >>
> >> 2.  Let's assume you're using a decent cable for portable operation like
> >> RG-8X.
> >>
> >> 3.  Let's assume that the length of your coax when operating portable is
> >> not much more than 30 feet long.
> >>
> >> 4.  Let's assume under the current solar flux conditions you're spending
> >> most of your time on 20m or lower in frequency.
> >>
> >> 30 feet of RG-8X has a loss of 0.4 db or less for that length at those
> >> frequencies, and per the charts in the link below the additional loss
> >> due to a 15:1 SWR is no more than 2 dB.
> >>
> >> http://www.astrosurf.com/luxorion/qsl-transmission-line2.htm
> >>
> >> Maybe it's just me, but I don't think that justifies dragging along a
> >> remote tuner.  You could recover a heck of a lot more dB by simply
> >> bringing a somewhat larger portable antenna.
> >>
> >> 73,
> >> Dave   AB7E
> >>
>
> __
> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:Elecraft@mailman.qth.net
>
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html
> Message delivered to marklgoldb...@gmail.com
__
Elecraft mailing list
Home: http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:Elecraft@mailman.qth.net

This list hosted by: http://www.qsl.net
Please help support this email list: http://www.qsl.net/donate.html
Message delivered to arch...@mail-archive.com

Re: [Elecraft] AX1 Loaded Whip Antenna - Elevation and Counterpoise?

2019-08-07 Thread Wes 
I haven't been following this thread closely but I think Dave makes good 
points.  As to the final fold-back, if I waded through this correctly, I 
understand that the OP has the built-in tuner in his KX2.  That solves that issue.


BTW, SWR = 15:1 is a return loss of about 1.1 dB, not 3 dB.

Wes  N7WS


On 8/7/2019 5:29 PM, Mark Goldberg wrote:

You need to take into account the radio finals. When the SWR is high, My
KX3 cuts back because it gets too much reflected power. I expect the KX3,
and in fact any other radio or amplifier is similar. 15:1 is about half the
power coming back.

Regards,

Mark
W7MLG


On Wed, Aug 7, 2019 at 5:14 PM David Gilbert 
wrote:


Rather little of this discussion makes sense to me.

Let's look at this realistically:

1.  The antenna tuner in the KX2 is rated to be good up to 10:1 SWR.
Let's assume it's good to 15:1.

2.  Let's assume you're using a decent cable for portable operation like
RG-8X.

3.  Let's assume that the length of your coax when operating portable is
not much more than 30 feet long.

4.  Let's assume under the current solar flux conditions you're spending
most of your time on 20m or lower in frequency.

30 feet of RG-8X has a loss of 0.4 db or less for that length at those
frequencies, and per the charts in the link below the additional loss
due to a 15:1 SWR is no more than 2 dB.

http://www.astrosurf.com/luxorion/qsl-transmission-line2.htm

Maybe it's just me, but I don't think that justifies dragging along a
remote tuner.  You could recover a heck of a lot more dB by simply
bringing a somewhat larger portable antenna.

73,
Dave   AB7E



__
Elecraft mailing list
Home: http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:Elecraft@mailman.qth.net

This list hosted by: http://www.qsl.net
Please help support this email list: http://www.qsl.net/donate.html
Message delivered to arch...@mail-archive.com

Re: [Elecraft] KPA1500 Remote Software Setup

2019-08-07 Thread Rick Tavan 
See below.

GL,

/Rick N6XI

On Wed, Aug 7, 2019 at 2:24 PM Larry Libsch  wrote:

> I am trying to set up the KPA1500 Remote Software to access my KPA1500
> from a distant location over the internet. Some questions:
>
> Will I be successful using a reserved IP rather than a static IP?
>
Probably. I use neither one. I use a standard, dynamic IP address with a
remoterig ddns server to keep it up to date. Works fine, with no need to
reserve an IP or get a static address.

>
> The laptop I plan to use as a server is on the same LAN as the KPA1500.
> When I click the Host Remote tab on the KPA1500 Remote software and
> enter the amplifier's IP clicking the test button finds the KPA1500. The
> Server Setup box is pre-filled with Port 4626. The instructions
> downloaded from Elecraft say " If connection (Connect Remote ) is from
> outside the LAN, TCP port (4526) must be opened and forwarded." What are
> the internal and external ports that need to be forwarded?

On the router that controls the LAN on which the KPA1500 resides, forward
port 4626 to 4626 on the server that is running KPA1500 Remote. (You said
4526 in one place above; I think that was a typo.) Specify the local IP
address of that server, typically 192.168.x.y.

> Is it the
> public IP of the router to which they need to be forwarded?

no - see above

> Are the
> Username and Password prefilled as admin what I will need to connect
> from the computer attempting to control the amp over the internet?
>
The connection parameters on the control side need to match those on the
server (amp) side. You can use the default "admin" or specify your own
username and password. Also specify any port number, so long as it matches
on the control side, amp side, and amp side router port forwarding table. I
use the default 4626.

>
> On the Connect Remote tab the Host/IP is the public IP of the laptop on
> the LAN with the KPA1500?

You specify the external IP address of the LAN on which the server resides.
If it's static, it won't change. I don't know how "reserved" works. As
mentioned above, I use the remoterig ddns server to maintain a dynamic
external IP address, so the string I use looks like this:
  xyzz.ddns.remoterig.com
where "xyzz" is the coded 8-character string that RemoteRig gave me
when I set up to use its ddns server. If you don't use RemoteRig boxes, you
might prefer to use a public ddns server or, as you suggest above, a
reserved or static IP address.

> User and Password are those entered in the
> Host Remote tab?
>
Yes, they must match.

>
> Larry, K4KGG
>
> __
> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:Elecraft@mailman.qth.net
>
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html
> Message delivered to rta...@gmail.com
>


-- 
--

Rick Tavan
Truckee and Saratoga, CA
__
Elecraft mailing list
Home: http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:Elecraft@mailman.qth.net

This list hosted by: http://www.qsl.net
Please help support this email list: http://www.qsl.net/donate.html
Message delivered to arch...@mail-archive.com

Re: [Elecraft] AX1 Loaded Whip Antenna - Elevation and Counterpoise?

2019-08-07 Thread Mark Goldberg 
You need to take into account the radio finals. When the SWR is high, My
KX3 cuts back because it gets too much reflected power. I expect the KX3,
and in fact any other radio or amplifier is similar. 15:1 is about half the
power coming back.

Regards,

Mark
W7MLG


On Wed, Aug 7, 2019 at 5:14 PM David Gilbert 
wrote:

>
> Rather little of this discussion makes sense to me.
>
> Let's look at this realistically:
>
> 1.  The antenna tuner in the KX2 is rated to be good up to 10:1 SWR.
> Let's assume it's good to 15:1.
>
> 2.  Let's assume you're using a decent cable for portable operation like
> RG-8X.
>
> 3.  Let's assume that the length of your coax when operating portable is
> not much more than 30 feet long.
>
> 4.  Let's assume under the current solar flux conditions you're spending
> most of your time on 20m or lower in frequency.
>
> 30 feet of RG-8X has a loss of 0.4 db or less for that length at those
> frequencies, and per the charts in the link below the additional loss
> due to a 15:1 SWR is no more than 2 dB.
>
> http://www.astrosurf.com/luxorion/qsl-transmission-line2.htm
>
> Maybe it's just me, but I don't think that justifies dragging along a
> remote tuner.  You could recover a heck of a lot more dB by simply
> bringing a somewhat larger portable antenna.
>
> 73,
> Dave   AB7E
>
>
>
> On 8/7/2019 3:57 PM, Phil Hystad via Elecraft wrote:
> > Sounds like an idea worth trying — I have always wondered about the coax
> loss between my KX3/KX2 and my portable antenna no matter which one it is
> (i.e. AX-1, Wire and counterpoise wires, Buddipole, etc.).
> >
> > But, really glad I did not sell the T1 on several occasions of thinking
> about selling it.  I have not used my T1 since I sold my KX1 almost three
> years ago.
> >
> > phil, K7PEH
> >
> >> On Aug 7, 2019, at 10:23 AM, Wayne Burdick  wrote:
> >>
> >> I think a T1 at the base would make a noticeable difference if the coax
> were more than a few feet long and the whip's resonance well removed from
> the target operating frequency. Short whips can be extremely narrow-banded.
> >>
> >> Wayne
> >>
> >>
> >>
> >>
> >>> On Aug 7, 2019, at 7:40 AM, Don Wilhelm 
> wrote:
> >>>
> >>> Bret,
> >>>
> >>> Yes, the T1 mounted at the antenna will reduce the potential loss in
> the coax.
> >>>
> >>> Will you notice the difference?  Maybe or maybe not.
> >>>
> >>> 73,
> >>> Don W3FPR
> >>>
> >>> On 8/7/2019 7:54 AM, MaverickNH wrote:
>  It comes to mind I have an Elecraft T1 ATU I might try attaching
> directly to
>  the base of the AX1 rather than relying on the KX2 ATU 25-40ft from
> the
>  antenna. I try to operate closer but sometimes have to run that RG58
> to
>  clear obstructions. Thoughts?
> >>> __
> >>> Elecraft mailing list
> >>> Home: http://mailman.qth.net/mailman/listinfo/elecraft
> >>> Help: http://mailman.qth.net/mmfaq.htm
> >>> Post: mailto:Elecraft@mailman.qth.net
> >>>
> >>> This list hosted by: http://www.qsl.net
> >>> Please help support this email list: http://www.qsl.net/donate.html
> >>> Message delivered to n...@elecraft.com
> >> __
> >> Elecraft mailing list
> >> Home: http://mailman.qth.net/mailman/listinfo/elecraft
> >> Help: http://mailman.qth.net/mmfaq.htm
> >> Post: mailto:Elecraft@mailman.qth.net
> >>
> >> This list hosted by: http://www.qsl.net
> >> Please help support this email list: http://www.qsl.net/donate.html
> >> Message delivered to phys...@mac.com
> > __
> > Elecraft mailing list
> > Home: http://mailman.qth.net/mailman/listinfo/elecraft
> > Help: http://mailman.qth.net/mmfaq.htm
> > Post: mailto:Elecraft@mailman.qth.net
> >
> > This list hosted by: http://www.qsl.net
> > Please help support this email list: http://www.qsl.net/donate.html
> > Message delivered to xda...@cis-broadband.com
>
> __
> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:Elecraft@mailman.qth.net
>
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html
> Message delivered to marklgoldb...@gmail.com
__
Elecraft mailing list
Home: http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:Elecraft@mailman.qth.net

This list hosted by: http://www.qsl.net
Please help support this email list: http://www.qsl.net/donate.html
Message delivered to arch...@mail-archive.com

Re: [Elecraft] AX1 Loaded Whip Antenna - Elevation and Counterpoise?

2019-08-07 Thread David Gilbert 


Rather little of this discussion makes sense to me.

Let's look at this realistically:

1.  The antenna tuner in the KX2 is rated to be good up to 10:1 SWR.  
Let's assume it's good to 15:1.


2.  Let's assume you're using a decent cable for portable operation like 
RG-8X.


3.  Let's assume that the length of your coax when operating portable is 
not much more than 30 feet long.


4.  Let's assume under the current solar flux conditions you're spending 
most of your time on 20m or lower in frequency.


30 feet of RG-8X has a loss of 0.4 db or less for that length at those 
frequencies, and per the charts in the link below the additional loss 
due to a 15:1 SWR is no more than 2 dB.


http://www.astrosurf.com/luxorion/qsl-transmission-line2.htm

Maybe it's just me, but I don't think that justifies dragging along a 
remote tuner.  You could recover a heck of a lot more dB by simply 
bringing a somewhat larger portable antenna.


73,
Dave   AB7E



On 8/7/2019 3:57 PM, Phil Hystad via Elecraft wrote:

Sounds like an idea worth trying — I have always wondered about the coax loss 
between my KX3/KX2 and my portable antenna no matter which one it is (i.e. 
AX-1, Wire and counterpoise wires, Buddipole, etc.).

But, really glad I did not sell the T1 on several occasions of thinking about 
selling it.  I have not used my T1 since I sold my KX1 almost three years ago.

phil, K7PEH


On Aug 7, 2019, at 10:23 AM, Wayne Burdick  wrote:

I think a T1 at the base would make a noticeable difference if the coax were 
more than a few feet long and the whip's resonance well removed from the target 
operating frequency. Short whips can be extremely narrow-banded.

Wayne





On Aug 7, 2019, at 7:40 AM, Don Wilhelm  wrote:

Bret,

Yes, the T1 mounted at the antenna will reduce the potential loss in the coax.

Will you notice the difference?  Maybe or maybe not.

73,
Don W3FPR

On 8/7/2019 7:54 AM, MaverickNH wrote:

It comes to mind I have an Elecraft T1 ATU I might try attaching directly to
the base of the AX1 rather than relying on the KX2 ATU 25-40ft from the
antenna. I try to operate closer but sometimes have to run that RG58 to
clear obstructions. Thoughts?

__
Elecraft mailing list
Home: http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:Elecraft@mailman.qth.net

This list hosted by: http://www.qsl.net
Please help support this email list: http://www.qsl.net/donate.html
Message delivered to n...@elecraft.com

__
Elecraft mailing list
Home: http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:Elecraft@mailman.qth.net

This list hosted by: http://www.qsl.net
Please help support this email list: http://www.qsl.net/donate.html
Message delivered to phys...@mac.com

__
Elecraft mailing list
Home: http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:Elecraft@mailman.qth.net

This list hosted by: http://www.qsl.net
Please help support this email list: http://www.qsl.net/donate.html
Message delivered to xda...@cis-broadband.com


__
Elecraft mailing list
Home: http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:Elecraft@mailman.qth.net

This list hosted by: http://www.qsl.net
Please help support this email list: http://www.qsl.net/donate.html
Message delivered to arch...@mail-archive.com

Re: [Elecraft] AX1 Loaded Whip Antenna - Elevation and Counterpoise?

2019-08-07 Thread Phil Hystad via Elecraft 
Sounds like an idea worth trying — I have always wondered about the coax loss 
between my KX3/KX2 and my portable antenna no matter which one it is (i.e. 
AX-1, Wire and counterpoise wires, Buddipole, etc.).

But, really glad I did not sell the T1 on several occasions of thinking about 
selling it.  I have not used my T1 since I sold my KX1 almost three years ago.

phil, K7PEH

> On Aug 7, 2019, at 10:23 AM, Wayne Burdick  wrote:
> 
> I think a T1 at the base would make a noticeable difference if the coax were 
> more than a few feet long and the whip's resonance well removed from the 
> target operating frequency. Short whips can be extremely narrow-banded.
> 
> Wayne
> 
> 
> 
> 
>> On Aug 7, 2019, at 7:40 AM, Don Wilhelm  wrote:
>> 
>> Bret,
>> 
>> Yes, the T1 mounted at the antenna will reduce the potential loss in the 
>> coax.
>> 
>> Will you notice the difference?  Maybe or maybe not.
>> 
>> 73,
>> Don W3FPR
>> 
>> On 8/7/2019 7:54 AM, MaverickNH wrote:
>>> It comes to mind I have an Elecraft T1 ATU I might try attaching directly to
>>> the base of the AX1 rather than relying on the KX2 ATU 25-40ft from the
>>> antenna. I try to operate closer but sometimes have to run that RG58 to
>>> clear obstructions. Thoughts?
>> __
>> Elecraft mailing list
>> Home: http://mailman.qth.net/mailman/listinfo/elecraft
>> Help: http://mailman.qth.net/mmfaq.htm
>> Post: mailto:Elecraft@mailman.qth.net
>> 
>> This list hosted by: http://www.qsl.net
>> Please help support this email list: http://www.qsl.net/donate.html
>> Message delivered to n...@elecraft.com 
> 
> __
> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:Elecraft@mailman.qth.net
> 
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html
> Message delivered to phys...@mac.com 

__
Elecraft mailing list
Home: http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:Elecraft@mailman.qth.net

This list hosted by: http://www.qsl.net
Please help support this email list: http://www.qsl.net/donate.html
Message delivered to arch...@mail-archive.com

[Elecraft] FS: K3s w/ KRX3A sub receiver.

2019-08-07 Thread James Rogers 
This is a basic K3s purchased purchased 2015.
Includes:
KPA3A 100W upgrade
KANT3 

The sub receiver was added in 2018.


Sent from Mail for Windows 10

__
Elecraft mailing list
Home: http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:Elecraft@mailman.qth.net

This list hosted by: http://www.qsl.net
Please help support this email list: http://www.qsl.net/donate.html
Message delivered to arch...@mail-archive.com

Re: [Elecraft] K2 - Lost 40m Tx after install of K60XV option

2019-08-07 Thread Alan D. Wilcox 
Neil,
When you did initial setup of the K60XV, did you
set D19 to Yes?
Cheers,
Alan

Alan D. Wilcox, W3DVX
570-916-9590 (cell, text)
https://WilcoxEngineering.com
http://www.eham.net/reviews/detail/6768 ... Elecraft Client Comments
http://amazon.com/author/alandwilcox
Williamsport, PA 17701

> On Aug 5, 2019, at 19:43, Neil Zampella  wrote:
> 
> Don,
> 
> I don't see 60M working either.I'll check these tomorrow after work.
> 
> Neil
> 
> On 8/5/2019 2:20 PM, Don Wilhelm wrote:
>> Neil,
>> 
>> Does 60 meters work, but not 40 meters?
>> 
>> The only things that could 40 meters to fail after installing the
>> K60XV are:
>> 
>> 1) C6 is not the correct 4.7 pF value - it will be marked either 4.7
>> or 479.
>> 
>> 2) Relay K1 not working properly, check the orientation and soldering.
>> 3) P2 and/or RF J15 not installed properly.
>> 
>> 73,
>> Don W3FPR
>> 
>> On 8/5/2019 11:14 AM, Neil Zampella wrote:
>>> Hi all,
>>> 
>>> need some advice.   I have a K2, and it was working fine.   Then I put
>>> together the K60XV option and installed it.   Messed something up as 40M
>>> Tx went away.The rig switches to Tx, but I do not see any power
>>> coming out of the system.
>>> 
>> 
> 
> ---
> This email has been checked for viruses by AVG.
> https://www.avg.com
> 
> __
> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:Elecraft@mailman.qth.net
> 
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html
> Message delivered to a...@wilcoxengineering.com

__
Elecraft mailing list
Home: http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:Elecraft@mailman.qth.net

This list hosted by: http://www.qsl.net
Please help support this email list: http://www.qsl.net/donate.html
Message delivered to arch...@mail-archive.com

[Elecraft] KPA1500 Remote Software Setup

2019-08-07 Thread Larry Libsch 
I am trying to set up the KPA1500 Remote Software to access my KPA1500 
from a distant location over the internet. Some questions:


Will I be successful using a reserved IP rather than a static IP?

The laptop I plan to use as a server is on the same LAN as the KPA1500. 
When I click the Host Remote tab on the KPA1500 Remote software and 
enter the amplifier's IP clicking the test button finds the KPA1500. The 
Server Setup box is pre-filled with Port 4626. The instructions 
downloaded from Elecraft say " If connection (Connect Remote ) is from 
outside the LAN, TCP port (4526) must be opened and forwarded." What are 
the internal and external ports that need to be forwarded? Is it the 
public IP of the router to which they need to be forwarded? Are the 
Username and Password prefilled as admin what I will need to connect 
from the computer attempting to control the amp over the internet?


On the Connect Remote tab the Host/IP is the public IP of the laptop on 
the LAN with the KPA1500? User and Password are those entered in the 
Host Remote tab?


Larry, K4KGG

__
Elecraft mailing list
Home: http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:Elecraft@mailman.qth.net

This list hosted by: http://www.qsl.net
Please help support this email list: http://www.qsl.net/donate.html
Message delivered to arch...@mail-archive.com

Re: [Elecraft] Computer control of message playback on K3S?

2019-08-07 Thread Ken Bandy, KJ9B 
Thanks very much for pointing me to the right place, Mike.  I also received
an off-list reply from Dennis, saying the same thing.  I recalled seeing
those, but didn't know what I was looking at, I guess.  Now I don't have to
lean forward to push the button.  I'm calling it "ergonomic conservation".
That sounds better than "being lazy":-).

Thanks again!

73,
Ken, KJ9B

-Original Message-
From: Mike Flowers [mailto:mike.flow...@gmail.com] 
Sent: Wednesday, August 07, 2019 4:16 PM
To: 'Ken Bandy, KJ9B'; elecraft@mailman.qth.net
Subject: RE: [Elecraft] Computer control of message playback on K3S?

On pg. 23 of the ELECRAFT K3 AND KX3
PROGRAMMER'S REFERENCE - there is a table of SWT/H constructs ...

SWT21 - plays M1
SWT31 - M2, etc.

- 73 and good DX de Mike, K6MKF, NCDXC Secretary

> -Original Message-
> From: elecraft-boun...@mailman.qth.net 
> On Behalf Of Ken Bandy, KJ9B
> Sent: Wednesday, August 07, 2019 12:31
> To: elecraft@mailman.qth.net
> Subject: [Elecraft] Computer control of message playback on K3S?
> 
> I am wondering if there is a command sequence string that will play a
recorded
> message on my K3S.  I have looked through the programmer's guide for the
> radio, but nothing popped out at me before my eyes glazed over...
> 
> 
> 
> Thanks in advance.
> 
> 
> 
> Ken, KJ9B
> 
> __
> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:Elecraft@mailman.qth.net
> 
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html
Message
> delivered to mike.flow...@gmail.com


__
Elecraft mailing list
Home: http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:Elecraft@mailman.qth.net

This list hosted by: http://www.qsl.net
Please help support this email list: http://www.qsl.net/donate.html
Message delivered to arch...@mail-archive.com

[Elecraft] K1 40m/20m for sale

2019-08-07 Thread Jim Ragsdale 
I have K1 s/n 3502 for sale. It has 40M and 20M on board and the KAT1 
antenna tuner. From the pictures you can see that I have added a 
homebrewed tilt stand that also doubles as a convenient carrying handle. 
Included will be a Texas Instrument 12V, 2A power supply. $375 shipped 
to CONUS. Paypal preferred, but will be flexible.


See pictures at http://w5la.net/images/K1.jpg and see it in action at 
https://www.youtube.com/watch?v=15XeF4mIScw=6s.


If interested, contact me via email to j...@w5la.net.

73, Jim W5LA

__
Elecraft mailing list
Home: http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:Elecraft@mailman.qth.net

This list hosted by: http://www.qsl.net
Please help support this email list: http://www.qsl.net/donate.html
Message delivered to arch...@mail-archive.com

Re: [Elecraft] Computer control of message playback on K3S?

2019-08-07 Thread Mike Flowers 
On pg. 23 of the ELECRAFT K3 AND KX3
PROGRAMMER'S REFERENCE - there is a table of SWT/H constructs ...

SWT21 - plays M1
SWT31 - M2, etc.

- 73 and good DX de Mike, K6MKF, NCDXC Secretary

> -Original Message-
> From: elecraft-boun...@mailman.qth.net 
> On Behalf Of Ken Bandy, KJ9B
> Sent: Wednesday, August 07, 2019 12:31
> To: elecraft@mailman.qth.net
> Subject: [Elecraft] Computer control of message playback on K3S?
> 
> I am wondering if there is a command sequence string that will play a
recorded
> message on my K3S.  I have looked through the programmer's guide for the
> radio, but nothing popped out at me before my eyes glazed over...
> 
> 
> 
> Thanks in advance.
> 
> 
> 
> Ken, KJ9B
> 
> __
> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:Elecraft@mailman.qth.net
> 
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html
Message
> delivered to mike.flow...@gmail.com

__
Elecraft mailing list
Home: http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:Elecraft@mailman.qth.net

This list hosted by: http://www.qsl.net
Please help support this email list: http://www.qsl.net/donate.html
Message delivered to arch...@mail-archive.com

[Elecraft] Computer control of message playback on K3S?

2019-08-07 Thread Ken Bandy, KJ9B 
I am wondering if there is a command sequence string that will play a
recorded message on my K3S.  I have looked through the programmer's guide
for the radio, but nothing popped out at me before my eyes glazed over...

 

Thanks in advance.

 

Ken, KJ9B

__
Elecraft mailing list
Home: http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:Elecraft@mailman.qth.net

This list hosted by: http://www.qsl.net
Please help support this email list: http://www.qsl.net/donate.html
Message delivered to arch...@mail-archive.com

Re: [Elecraft] KX3 and JS8CALL

2019-08-07 Thread Michael Arnold 
Michael,

I have had no issues using the Raspberry Pi without a GPS time reference. As 
long as you have an internet connection when the RPi is powered up, the 
internal clock should be close enough to use for hours. In the field I use my 
iPhone as a WiFi hotspot for an internet connection to the RPi.

73,
 Mike, W8NWA

-Original Message-
From: elecraft-boun...@mailman.qth.net  On 
Behalf Of michaelheit--- via Elecraft
Sent: Tuesday, August 06, 2019 5:10 PM
To: elecraft@mailman.qth.net
Subject: [Elecraft] KX3 and JS8CALL

I would like to use JS8CALL on my Raspberry Pi 3B+ , so do I need to use my 
SignaLink as well?  Has anyone on this group used a Pi3 with JS8CALL connected 
to their KX3? Getting the KX3 connected to the Pi seems problematic; I have all 
the connectors from Elecraft, the program is loaded on the Pi and seems to 
operate properly, but doesn't seem to work with the KX3. I will need to get a 
GPS HAT for the Pi and I'm considering the PI HAT from North West Radio that 
includes a built in GPS with antenna. Thank you in advance for any input ...
de AD7VV 

Michael Heit
North Pole, Alaska
AD7VV
__
Elecraft mailing list
Home: http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:Elecraft@mailman.qth.net

This list hosted by: http://www.qsl.net
Please help support this email list: http://www.qsl.net/donate.html Message 
delivered to m...@mikea.tv 
__
Elecraft mailing list
Home: http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:Elecraft@mailman.qth.net

This list hosted by: http://www.qsl.net
Please help support this email list: http://www.qsl.net/donate.html
Message delivered to arch...@mail-archive.com

Re: [Elecraft] KX3 and JS8CALL

2019-08-07 Thread Michael Arnold 
Michael,

I have good luck using my KX3 with a Raspberry Pi 3B+ and also the new 
Raspberry Pi 4 for both JS8Call and WSJT-X. I use an inexpensive USB audio 
adapter/sound card and standard stereo 1/8" (3.5mm) male to male cables 
connected between the MIC and PHONES jacks on the KX3 and the sound card. To 
listen to the receive audio and monitor transmit audio, I split the PHONES 
output using an 1/8-inch "Y cable" and feed one side to the sound card and the 
other side to a powered speaker. For CAT control and PTT via CAT I use the 
standard Elecraft USB serial cable from the ACC1 jack to a Raspberry Pi USB 
port.

In Settings on the Radio tab, under CAT Control, I choose the K3/KX3 or KX3 as 
the rig and /dev/ttyUSB0 as the serial port. You'll also want to match the 
radio serial port settings, typically, 38400, 8, 1 and none. On the Audio tab, 
under Soundcard, I select Default:CARD=device for both Input and Output.

This method may result in some low-level 60 and 120 Hz audible ground loop hum 
when AC powered, particularly with the powered speaker connected, but the 
transmit signal, at least in my case, is clean. You can certainly use a 
SignaLink or equivalent unit for better isolation and level control, but I've 
found that the little USB audio adapter/sound card works fine and is a really 
compact solution for portable operation!

Audio Adapter:  https://www.amazon.com/gp/product/B01N905VOY
Audio Splitter:  https://www.amazon.com/gp/product/B07431YDWM

73,
 Mike W8NWA

-Original Message-
From: elecraft-boun...@mailman.qth.net  On 
Behalf Of michaelheit--- via Elecraft
Sent: Tuesday, August 06, 2019 5:10 PM
To: elecraft@mailman.qth.net
Subject: [Elecraft] KX3 and JS8CALL

I would like to use JS8CALL on my Raspberry Pi 3B+ , so do I need to use my 
SignaLink as well?  Has anyone on this group used a Pi3 with JS8CALL connected 
to their KX3? Getting the KX3 connected to the Pi seems problematic; I have all 
the connectors from Elecraft, the program is loaded on the Pi and seems to 
operate properly, but doesn't seem to work with the KX3. I will need to get a 
GPS HAT for the Pi and I'm considering the PI HAT from North West Radio that 
includes a built in GPS with antenna. Thank you in advance for any input ...
de AD7VV 

Michael Heit
North Pole, Alaska
AD7VV
__
Elecraft mailing list
Home: http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:Elecraft@mailman.qth.net

This list hosted by: http://www.qsl.net
Please help support this email list: http://www.qsl.net/donate.html Message 
delivered to m...@mikea.tv 
__
Elecraft mailing list
Home: http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:Elecraft@mailman.qth.net

This list hosted by: http://www.qsl.net
Please help support this email list: http://www.qsl.net/donate.html
Message delivered to arch...@mail-archive.com

Re: [Elecraft] K4 Question

2019-08-07 Thread Tox 
If that turns out not to be supported, there are ethernet<->serial
adapters that are used to provide remote console ports on web servers.
I think Black Box, Raritan, and others make them.

Scott
AD6YT

On Wed, Aug 7, 2019 at 8:47 AM K5WA  wrote:
>
> Wayne (or anyone),
>
>
>
> I have a rather specific question.  When I operate locally with a K4, I need
> an RS-232 connection to the local computer/accessories but when I'm remote,
> I will only need the K4's ethernet connection.  Can the K4 have BOTH enabled
> simultaneously?  In the K3S, it is one or the other (USB or RS-232).
>
>
>
> Thanks,
>
> Bob K5WA
>
> __
> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:Elecraft@mailman.qth.net
>
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html
> Message delivered to scott.sm...@gmail.com



-- 
Scott Small
__
Elecraft mailing list
Home: http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:Elecraft@mailman.qth.net

This list hosted by: http://www.qsl.net
Please help support this email list: http://www.qsl.net/donate.html
Message delivered to arch...@mail-archive.com

Re: [Elecraft] AX1 Loaded Whip Antenna - Elevation and Counterpoise?

2019-08-07 Thread Wayne Burdick 
I think a T1 at the base would make a noticeable difference if the coax were 
more than a few feet long and the whip's resonance well removed from the target 
operating frequency. Short whips can be extremely narrow-banded.

Wayne




> On Aug 7, 2019, at 7:40 AM, Don Wilhelm  wrote:
> 
> Bret,
> 
> Yes, the T1 mounted at the antenna will reduce the potential loss in the coax.
> 
> Will you notice the difference?  Maybe or maybe not.
> 
> 73,
> Don W3FPR
> 
> On 8/7/2019 7:54 AM, MaverickNH wrote:
>> It comes to mind I have an Elecraft T1 ATU I might try attaching directly to
>> the base of the AX1 rather than relying on the KX2 ATU 25-40ft from the
>> antenna. I try to operate closer but sometimes have to run that RG58 to
>> clear obstructions. Thoughts?
> __
> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:Elecraft@mailman.qth.net
> 
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html
> Message delivered to n...@elecraft.com 

__
Elecraft mailing list
Home: http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:Elecraft@mailman.qth.net

This list hosted by: http://www.qsl.net
Please help support this email list: http://www.qsl.net/donate.html
Message delivered to arch...@mail-archive.com

Re: [Elecraft] AX1 Loaded Whip Antenna - Elevation and Counterpoise?

2019-08-07 Thread Don Wilhelm 

Bret,

Yes, the T1 mounted at the antenna will reduce the potential loss in the 
coax.


Will you notice the difference?  Maybe or maybe not.

73,
Don W3FPR

On 8/7/2019 7:54 AM, MaverickNH wrote:

It comes to mind I have an Elecraft T1 ATU I might try attaching directly to
the base of the AX1 rather than relying on the KX2 ATU 25-40ft from the
antenna. I try to operate closer but sometimes have to run that RG58 to
clear obstructions. Thoughts?

__
Elecraft mailing list
Home: http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:Elecraft@mailman.qth.net

This list hosted by: http://www.qsl.net
Please help support this email list: http://www.qsl.net/donate.html
Message delivered to arch...@mail-archive.com

Re: [Elecraft] K4 Question

2019-08-07 Thread Wayne Burdick 
Bob, K5WA wrote:

> I have a rather specific question.  When I operate locally with a K4, I need
> an RS-232 connection to the local computer/accessories but when I'm remote,
> I will only need the K4's ethernet connection.  Can the K4 have BOTH enabled
> simultaneously? 


Yes. The K4 can be controlled over all of its I/O ports simultaneously: 
Ethernet, USB (with two virtual serial ports), and separate RS232 (DE9 
connector). We use an internal server architecture so all remote clients have 
independent access.

Wayne
N6KR


__
Elecraft mailing list
Home: http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:Elecraft@mailman.qth.net

This list hosted by: http://www.qsl.net
Please help support this email list: http://www.qsl.net/donate.html
Message delivered to arch...@mail-archive.com

[Elecraft] K4 Question

2019-08-07 Thread Andy Durbin 
"In the K3S, it is one or the other (USB or RS-232)."

That limitation is surprising to me.  My Kenwood TS-590S allows simultaneous 
use of USB CAT and COM CAT.  My current station architecture would have been 
much more difficult to implement without that capability.

73,
Andy, k3wyc
__
Elecraft mailing list
Home: http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:Elecraft@mailman.qth.net

This list hosted by: http://www.qsl.net
Please help support this email list: http://www.qsl.net/donate.html
Message delivered to arch...@mail-archive.com

[Elecraft] K4 Question

2019-08-07 Thread K5WA 
Wayne (or anyone),

 

I have a rather specific question.  When I operate locally with a K4, I need
an RS-232 connection to the local computer/accessories but when I'm remote,
I will only need the K4's ethernet connection.  Can the K4 have BOTH enabled
simultaneously?  In the K3S, it is one or the other (USB or RS-232).

 

Thanks,

Bob K5WA

__
Elecraft mailing list
Home: http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:Elecraft@mailman.qth.net

This list hosted by: http://www.qsl.net
Please help support this email list: http://www.qsl.net/donate.html
Message delivered to arch...@mail-archive.com

[Elecraft] K3 & P3 For SALE $1950!

2019-08-07 Thread Scott Bastian 
 I have an Elecraft K3/100 HF radio at 100Watts SN000348 with the matching P3 
Pan adapter! The K3 has the following options: KAT3A ATU, 
KTCX03,KBPF3A,KIO3,KXV3 and the following Inrad filters KFL3A-400, KFL3A-2.1K 
and KFL3A-2.8K  These are from a non smoking home and they also have the 
matching Side KX extended end panels to protect the front and back of the 
radio. (included are the factory end panels). The radio works all modes and 
decodes CW and other digital modes. The Pan Adaptor has the VGA board option so 
you can put this display on a TV or large computer screen. This package will 
also include the cables and manuals for both. I prefer local pick up as I don't 
want to damage these in shipping.  $1950 for all!  If I need to ship these then 
another $50 to cover costs.  73 Scott AK6Q

Sent from Mail for Windows 10

__
Elecraft mailing list
Home: http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:Elecraft@mailman.qth.net

This list hosted by: http://www.qsl.net
Please help support this email list: http://www.qsl.net/donate.html
Message delivered to arch...@mail-archive.com

Re: [Elecraft] Antenna or KAT500/KPA500 Problem

2019-08-07 Thread Victor Rosenthal 4X6GP 
I did a lot of testing with a tuner followed by a high-quality DX 
Engineering balun in a system with high, reactive SWR. I did not push it 
far enough to destroy the balun, but I did note a gradual increase in 
SWR. And yes, the rate of increase sped up as it got hotter. So I 
suggest testing just long enough to see the process start!


In your data, the SWR decreases and then increases. I started with the 
tuner set to provide an SWR to the transmitter of 1:1 so it could only 
increase.


Incidentally, I found that the balun ran much cooler if the reactive 
component of the line's impedance was canceled out by a balanced pair of 
(in this case) capacitors.


73,
Victor, 4X6GP
Rehovot, Israel
Formerly K2VCO
CWops no. 5
http://www.qsl.net/k2vco/

On 07/08/2019 16:40, Andy Durbin wrote:

"It is possible that the ferrites are heating. If that is the case,
you could test it by transmitting a steady carrier for a minute while
watching the SWR. If it’s heating, there should be a gradual rise."

I have data for SWR runaway events that I believe were caused by
heating of the ferrite cores in a common mode choke.  The SWR change
for these events was not gradual.  It was closer to exponential.
Once runaway starts SWR reaches the point that it trips something in
just a few seconds.   The ferrite choke was in easy reach (outside
but only 5 feet above ground) and nearly burned my fingers.  Made me
think about oil immersion for cooling but have not tried that.
Instead I set a lower max power for that antenna.

KPA500 can be protected from these events by setting KAT500 key
interrupt threshold to a value lower than the SWR that trips the
KPA500.  My series of runaway events, and my attempts to protect
against them,  exposed a defect in the KAT500 utility so installation
of the latest version may be required.

Data for one event:

"SWR runaway and choke cores too hot to touch several minutes later. 
470 W 160 m FT8 with multiple transmissions before onset.


2019-03-27 21:11:15 TX_freq=1839500 2019-03-27 21:11:15 split offset
= -500 2019-03-27 21:11:31 New IF - IF1839500
0001612101;  << TX starts 2019-03-27 21:11:32 New VSWR  -
VSWR 1.34; 2019-03-27 21:11:32 split offset = -500 2019-03-27
21:11:32 New VSWR  - VSWR 1.33; 2019-03-27 21:11:32 New VSWR  - VSWR
1.31; 2019-03-27 21:11:32 New VSWR  - VSWR 1.29; 2019-03-27 21:11:33
New VSWR  - VSWR 1.27; 2019-03-27 21:11:33 New VSWR  - VSWR 1.25; 
2019-03-27 21:11:33 New VSWR  - VSWR 1.24; 2019-03-27 21:11:34 New

VSWR  - VSWR 1.22; <<<  SWR decreasing rapidly 2019-03-27
21:11:34 New VSWR  - VSWR 1.20; 2019-03-27 21:11:34 New VSWR  - VSWR
1.19; 2019-03-27 21:11:35 New VSWR  - VSWR 1.18; 2019-03-27 21:11:35
New VSWR  - VSWR 1.16; 2019-03-27 21:11:35 New VSWR  - VSWR 1.15; 
2019-03-27 21:11:35 New VSWR  - VSWR 1.13; 2019-03-27 21:11:36 New
VSWR  - VSWR 1.11; 2019-03-27 21:11:36 New VSWR  - VSWR 1.10; 
2019-03-27 21:11:36 New VSWR  - VSWR 1.09;  <<<  SWR
passes through zero 2019-03-27 21:11:37 New VSWR  - VSWR 1.10; 
2019-03-27 21:11:37 New VSWR  - VSWR 1.11; 2019-03-27 21:11:37 New
VSWR  - VSWR 1.13; 2019-03-27 21:11:38 New VSWR  - VSWR 1.14; 
2019-03-27 21:11:38 New VSWR  - VSWR 1.19;  <<<  SWR
increasing rapidly 2019-03-27 21:11:38 New VSWR  - VSWR 1.22; 
2019-03-27 21:11:38 New VSWR  - VSWR 1.25; 2019-03-27 21:11:38 New
VSWR  - VSWR 1.29; 2019-03-27 21:11:38 New VSWR  - VSWR 1.34; 
2019-03-27 21:11:38 New VSWR  - VSWR 1.39; 2019-03-27 21:11:39 New
VSWR  - VSWR 1.44; 2019-03-27 21:11:39 New VSWR  - VSWR 1.50; 
2019-03-27 21:11:39 New VSWR  - VSWR 1.58; 2019-03-27 21:11:40 New

VSWR  - VSWR 1.65; 2019-03-27 21:11:40 New FLT  - FLT4;
 KAT500 fault trip 2019-03-27 21:11:40 New AMPI  - AMPI1;
 Key line opened 2019-03-27 21:11:40 New VSWR  - VSWR 1.66; 
2019-03-27 21:11:40 New VSWR  - VSWR 1.67; 2019-03-27 21:11:40 New
VSWR  - VSWR 1.70; 2019-03-27 21:11:41 New VSWR  - VSWR 1.72; 
2019-03-27 21:11:42 New VSWR  - VSWR 1.70; 2019-03-27 21:11:42 New

VSWR  - VSWR 1.72; 2019-03-27 21:11:42 New VSWR  - VSWR 1.70;
<<< SWR peaks 2019-03-27 21:11:43 New VSWR  - VSWR 1.69; 2019-03-27
21:11:43 New VSWR  - VSWR 1.67; 2019-03-27 21:11:44 New VSWR  - VSWR
1.66; 2019-03-27 21:11:45 New IF - IF184
0001602001;  << TX ends"

(When interpreting the data be sure to note that only parameter
changes are recorded.  This means the events are not at equal time
intervals.  Later data recordings are tagged with 1 millisecond time
resolution which makes analysis a bit easier)

73, Andy, k3wyc 
__ 
Elecraft mailing list Home:

http://mailman.qth.net/mailman/listinfo/elecraft Help:
http://mailman.qth.net/mmfaq.htm Post:
mailto:Elecraft@mailman.qth.net

This list hosted by: http://www.qsl.net Please help support this
email list: http://www.qsl.net/donate.html Message delivered to
k2vco@gmail.com


__
Elecraft mailing

[Elecraft] Antenna or KAT500/KPA500 Problem

2019-08-07 Thread Andy Durbin 
"It is possible that the ferrites are heating. If that is the case, you could 
test it by transmitting a steady carrier for a minute while watching the SWR. 
If it’s heating, there should be a gradual rise."

I have data for SWR runaway events that I believe were caused by heating of the 
ferrite cores in a common mode choke.  The SWR change for these events was not 
gradual.  It was closer to exponential.  Once runaway starts SWR reaches the 
point that it trips something in just a few seconds.   The ferrite choke was in 
easy reach (outside but only 5 feet above ground) and nearly burned my fingers. 
 Made me think about oil immersion for cooling but have not tried that.  
Instead I set a lower max power for that antenna.

KPA500 can be protected from these events by setting KAT500 key interrupt 
threshold to a value lower than the SWR that trips the KPA500.  My series of 
runaway events, and my attempts to protect against them,  exposed a defect in 
the KAT500 utility so installation of the latest version may be required.

Data for one event:

"SWR runaway and choke cores too hot to touch several minutes later.
470 W 160 m FT8 with multiple transmissions before onset.

2019-03-27 21:11:15 TX_freq=1839500
2019-03-27 21:11:15 split offset = -500
2019-03-27 21:11:31 New IF - IF1839500  0001612101;  << TX 
starts
2019-03-27 21:11:32 New VSWR  - VSWR 1.34;
2019-03-27 21:11:32 split offset = -500
2019-03-27 21:11:32 New VSWR  - VSWR 1.33;
2019-03-27 21:11:32 New VSWR  - VSWR 1.31;
2019-03-27 21:11:32 New VSWR  - VSWR 1.29;
2019-03-27 21:11:33 New VSWR  - VSWR 1.27;
2019-03-27 21:11:33 New VSWR  - VSWR 1.25;
2019-03-27 21:11:33 New VSWR  - VSWR 1.24;
2019-03-27 21:11:34 New VSWR  - VSWR 1.22; <<<  SWR decreasing 
rapidly
2019-03-27 21:11:34 New VSWR  - VSWR 1.20;
2019-03-27 21:11:34 New VSWR  - VSWR 1.19;
2019-03-27 21:11:35 New VSWR  - VSWR 1.18;
2019-03-27 21:11:35 New VSWR  - VSWR 1.16;
2019-03-27 21:11:35 New VSWR  - VSWR 1.15;
2019-03-27 21:11:35 New VSWR  - VSWR 1.13;
2019-03-27 21:11:36 New VSWR  - VSWR 1.11;
2019-03-27 21:11:36 New VSWR  - VSWR 1.10;
2019-03-27 21:11:36 New VSWR  - VSWR 1.09;  <<<  SWR passes through 
zero
2019-03-27 21:11:37 New VSWR  - VSWR 1.10;
2019-03-27 21:11:37 New VSWR  - VSWR 1.11;
2019-03-27 21:11:37 New VSWR  - VSWR 1.13;
2019-03-27 21:11:38 New VSWR  - VSWR 1.14;
2019-03-27 21:11:38 New VSWR  - VSWR 1.19;  <<<  SWR increasing 
rapidly
2019-03-27 21:11:38 New VSWR  - VSWR 1.22;
2019-03-27 21:11:38 New VSWR  - VSWR 1.25;
2019-03-27 21:11:38 New VSWR  - VSWR 1.29;
2019-03-27 21:11:38 New VSWR  - VSWR 1.34;
2019-03-27 21:11:38 New VSWR  - VSWR 1.39;
2019-03-27 21:11:39 New VSWR  - VSWR 1.44;
2019-03-27 21:11:39 New VSWR  - VSWR 1.50;
2019-03-27 21:11:39 New VSWR  - VSWR 1.58;
2019-03-27 21:11:40 New VSWR  - VSWR 1.65;
2019-03-27 21:11:40 New FLT  - FLT4;    KAT500 
fault trip
2019-03-27 21:11:40 New AMPI  - AMPI1;    Key line 
opened
2019-03-27 21:11:40 New VSWR  - VSWR 1.66;
2019-03-27 21:11:40 New VSWR  - VSWR 1.67;
2019-03-27 21:11:40 New VSWR  - VSWR 1.70;
2019-03-27 21:11:41 New VSWR  - VSWR 1.72;
2019-03-27 21:11:42 New VSWR  - VSWR 1.70;
2019-03-27 21:11:42 New VSWR  - VSWR 1.72;
2019-03-27 21:11:42 New VSWR  - VSWR 1.70;  <<< SWR peaks
2019-03-27 21:11:43 New VSWR  - VSWR 1.69;
2019-03-27 21:11:43 New VSWR  - VSWR 1.67;
2019-03-27 21:11:44 New VSWR  - VSWR 1.66;
2019-03-27 21:11:45 New IF - IF184  0001602001;  << TX ends"

(When interpreting the data be sure to note that only parameter changes are 
recorded.  This means the events are not at equal time intervals.  Later data 
recordings are tagged with 1 millisecond time resolution which makes analysis a 
bit easier)

73,
Andy, k3wyc
__
Elecraft mailing list
Home: http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:Elecraft@mailman.qth.net

This list hosted by: http://www.qsl.net
Please help support this email list: http://www.qsl.net/donate.html
Message delivered to arch...@mail-archive.com

Re: [Elecraft] AX1 Loaded Whip Antenna - Elevation and Counterpoise?

2019-08-07 Thread MaverickNH 
It comes to mind I have an Elecraft T1 ATU I might try attaching directly to
the base of the AX1 rather than relying on the KX2 ATU 25-40ft from the
antenna. I try to operate closer but sometimes have to run that RG58 to
clear obstructions. Thoughts?

Bret/N4SRN



--
Sent from: http://elecraft.365791.n2.nabble.com/
__
Elecraft mailing list
Home: http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:Elecraft@mailman.qth.net

This list hosted by: http://www.qsl.net
Please help support this email list: http://www.qsl.net/donate.html
Message delivered to arch...@mail-archive.com