Re: [Elecraft] High vertical

[Vic Rosenthal K2VCO/4X6GP]

For what it's worth, the R6000 is very different from the R8.

On 20 Oct 2014 05:48, tom...@videotron.ca wrote:

Hi Robert,I can't seem to find any other messages in the reflector
about this topic. But in any case I have owned both a Cushcraft
R6000, and a HyGain AV620.I used both for at least 6 months before
moving to a cushcraft ma5b mini beam. Both antennas seemed to offer
similar performance. In this regard, I would give the edge to the
hy-gain. Both were excellent for dx, I made many qrp qso's from
Montreal to australia. The cushcraft had one annoying feature: The
minute it rained or snowed, the resonance went far off where it was
when dry. 200khz on 20m for example. The elecraft tuner took care of
it but it was annoying. The hygain has a lot of threaded rods which
need to be adjust to reach resonance. These rods are prone to seizing
the nuts on them. But once they re set the antenna never shifted in
resonance. The hygain brought me up to 200+ DXCC's. But I can tell
you this: Both are no substitute for the MA5B. Both are extremely
noisy. The MA5B gives two 2 S unit improvement as a minimum in almost
all cases, but the noise floor dropped 15dB. Anyways, they both are
good antennas, but I would suppliment them with an active antenna and
a noise phaser to null out the noise sources, which improves them
considerably. Hope this helps. Tom va2fsq.com

On 10/19/14, Robert G Strickland   wrote:

Vic... Any thoughts on choosing the Cushcraft over the Hy-Gain for
a vertical? ...robert

On 10/18/2014 14:55, Vic Rosenthal K2VCO/4X6GP wrote:


I put up an R8 vertical on a small building (containing my shack)
that sits on the roof.


-- Robert G Strickland, PhD ABPH - KE2WY rc...@verizon.net.usa
Syracuse, New York, USA



--
Vic

--
73,
Vic, K2VCO/4X6GP
Rehovot, Israel
http://www.qsl.net/k2vco/
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Re: [Elecraft] High vertical

[Vic Rosenthal K2VCO/4X6GP]

The main reason is that the Cushcraft R8 was one of the antennas in the 
comparison report on verticals by N0AX and K7LXC (cost $20 but worth it) 
here:




The Hy-Gain AV-640 is very similar, but appears to have a little more 
top loading and is a bit shorter. It is also less expensive.


Incidentally, yesterday afternoon we had a storm with remarkably high 
winds. I went up to look at the antenna and had to take care not to be 
blown down. I was /very/ glad I had guyed it at two locations. I may 
even add a third set of guys.


On 20 Oct 2014 05:28, Robert G Strickland wrote:

Vic...
Any thoughts on choosing the Cushcraft over the Hy-Gain for a vertical?
...robert

On 10/18/2014 14:55, Vic Rosenthal K2VCO/4X6GP wrote:


I put up an R8 vertical on a small building (containing my shack) that
sits on the roof.




--
73,
Vic, K2VCO/4X6GP
Rehovot, Israel
http://www.qsl.net/k2vco/
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Re: [Elecraft] High vertical

[tomb18]

Hi Robert,I can't seem to find any other messages in the reflector about this 
topic. But in any case I have owned both a Cushcraft R6000, and a HyGain 
AV620.I used both for at least 6 months before moving to a cushcraft ma5b mini 
beam.
Both antennas seemed to offer similar performance. In this regard, I would give 
the edge to the hy-gain. Both were excellent for dx, I made many qrp qso's from 
Montreal to australia.
The cushcraft had one annoying feature: The minute it rained or snowed, the 
resonance went far off where it was when dry. 200khz on 20m for example. The 
elecraft tuner took care of it but it was annoying.
The hygain has a lot of threaded rods which need to be adjust to reach 
resonance. These rods are prone to seizing the nuts on them. But once they re 
set the antenna never shifted in resonance.
The hygain brought me up to 200+ DXCC's. But I can tell you this: Both are no 
substitute for the MA5B.
Both are extremely noisy. The MA5B gives two 2 S unit improvement as a minimum 
in almost all cases, but the noise floor dropped 15dB.
Anyways, they both are good antennas, but I would suppliment them with an 
active antenna and a noise phaser to null out the noise sources, which improves 
them considerably.
Hope this helps.
Tom 
va2fsq.com

On 10/19/14, Robert G Strickland   wrote:
> Vic...
> Any thoughts on choosing the Cushcraft over the Hy-Gain for a vertical?
> ...robert
> 
> On 10/18/2014 14:55, Vic Rosenthal K2VCO/4X6GP wrote:
> >
> >I put up an R8 vertical on a small building (containing my shack) that
> >sits on the roof.
> 
> -- 
> Robert G Strickland, PhD ABPH - KE2WY
> rc...@verizon.net.usa
> Syracuse, New York, USA
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Re: [Elecraft] High vertical

[Robert G Strickland]

Vic...
Any thoughts on choosing the Cushcraft over the Hy-Gain for a vertical?
...robert

On 10/18/2014 14:55, Vic Rosenthal K2VCO/4X6GP wrote:


I put up an R8 vertical on a small building (containing my shack) that
sits on the roof.


--
Robert G Strickland, PhD ABPH - KE2WY
rc...@verizon.net.usa
Syracuse, New York, USA
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Re: [Elecraft] K2 FW questions

[Don Wilhelm]

Jon,

The major firmware upgrade was from MCU version 1.xx to 2.xx.  Since you 
have 2.01, you may not have any need to upgrade if you are satisfied 
with it.  Your K2 will work as well as any other with that firmware version.
The first upgrade from 2.01 was to 2.03, and I am sorry to say that I 
have forgotten what the added features were in that upgrade.
The change from 2.03 to 2.04 was mainly to support the more recent 
upgrades and options - the K2 Keying Modification and the addition of 
the K60XV option both required firmware changes.


If you have the K2/100, I would recommend the firmware upgrade and the 
addition of the K2 Keying Waveshape Mod, but if you have the K2/10, you 
may be happy with what you have now.


BTW, the K2 Keying Waveshape Mod is not currently available from 
Elecraft, but if you want to install it, I can tell you how in a 
separate off-list email.  I have already published it on-list, so you 
can find it in the archives.  If you have the K2/100 (or drive an 
amplifier with your K2/10), I highly recommend you add that mod to 
eliminate keyclicks that are not obvious with the K2/10, but become 
troublesome when an amp is added.


73,
Don W3FPR

On 10/19/2014 6:18 PM, Jon Pike wrote:
In my continuing efforts of rediscovering my K2,  I'm wondering how 
badly I want the current FW versions.


I currently have 2.01f and 1.02,  not sure what/if it needs one the 
SSB version is.   I don't seem to be able to find a revision list of 
versions back down to mine,  just what's written up for the current 
last couple of 2.04 versions.


It's a 10W K2,  (embarrased to not remember my s/n!) have done a lot 
of the upgrades and fixes probably up to the '04 or so point in time. 
I have a lot, but not all of the options,  antenna tuner, SSB, 
160m/RX, NB, KIO2? No AF or DSP.So, I'm wondering what feature 
additions am I missing,  or am I pretty much OK as is?


Thanks...

Jon KA6MOK
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Re: [Elecraft] K2 FW questions

[George Winship, NC5G]

>I currently have 2.01f and 1.02,  not sure what/if it needs one the SSB 
>version is.   I don't seem to be able to find a revision list of 
>versions back down to mine,  just what's written up for the current last 
>couple of 2.04 versions.

Jon,

Go to the Elecraft website. Click on the Manuals and Downloads link. Scroll
down to the K2 link and click that. The first box is the K2 manual. In the
box to the right of that is a link to older manuals called Manuel Archives.
Click on that and scroll down to the K2 Fimware box. 2.01 is the only one
listed. Click on that.

Hope this helps. 

73, George NC5G



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Re: [Elecraft] K2 FW questions

[Fred Jensen]

My S/N [4398] is on a tag on the back of the K2. :-)  Mine is a 10W, 
ATU, SSB [which I've never used, no mic], AF filter.  No DSP, 160, or 
other accessories.  It was last aligned by Don, "The K2 Master."  It 
works perfectly, I use it on CW with my AlexLoop, mainly on summit 
activations and QRP field events.  So far as I know, it has the original 
MCU FW, it's buried in my SOTA Go-Bag and I don't have time to dig it 
out and fire it up to check right now, game about to start. :-)


For quite awhile, with the KPA100 and KAT100, I used it on RTTY. 
Finally sold the amp and ATU when I got tired of that.


I'd guess that you're just fine and "if it works, don't mess with it" 
may be the applicable maxim.


73,

Fred K6DGW
- Northern California Contest Club
- CU in the 2015 Cal QSO Party 3-4 Oct 2015
- www.cqp.org

On 10/19/2014 3:18 PM, Jon Pike wrote:


It's a 10W K2,  (embarrased to not remember my s/n!) have done a lot of
the upgrades and fixes probably up to the '04 or so point in time. I
have a lot, but not all of the options,  antenna tuner, SSB, 160m/RX,
NB, KIO2? No AF or DSP.So, I'm wondering what feature additions
am I missing,  or am I pretty much OK as is?

Thanks...

Jon KA6MOK



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[Elecraft] K2 FW questions

[Jon Pike]

In my continuing efforts of rediscovering my K2,  I'm wondering how 
badly I want the current FW versions.


I currently have 2.01f and 1.02,  not sure what/if it needs one the SSB 
version is.   I don't seem to be able to find a revision list of 
versions back down to mine,  just what's written up for the current last 
couple of 2.04 versions.


It's a 10W K2,  (embarrased to not remember my s/n!) have done a lot of 
the upgrades and fixes probably up to the '04 or so point in time. I 
have a lot, but not all of the options,  antenna tuner, SSB, 160m/RX, 
NB, KIO2? No AF or DSP.So, I'm wondering what feature additions 
am I missing,  or am I pretty much OK as is?


Thanks...

Jon KA6MOK
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[Elecraft] Elecraft CW Net Announcement

[Kevin]

Hello,
   Fire danger has lessened by a great deal.  I have not kept track of 
how many inches of rain have fallen this week.  It seems almost constant 
though :)


Please join us this afternoon and evening.

14050 kHz at 2200z Sunday (3 PM PDT Sunday)
 7045 kHz at 0100z Monday (6 PM PDT Sunday)

73,
Kevin. KD5ONS

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Re: [Elecraft] K1 IF Amp Mod?

[Rick Dettinger]

Maybe not.
The Sierra has been shown on the Wilderness Radio website as "out of stock" for 
quite a while now.
Too bad.  It was a very versatile kit.


73,
Rick Dettinger  K7MW





On Oct 19, 2014, at 11:02 AM, Mike Morrow wrote:
> 
> The...er...Sierra is the commercial version of the Sierra.  :-)
> It's still sold by Wilderness Radio.
> 

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Re: [Elecraft] K1 IF Amp Mod?

[Mike Morrow]

Curt wrote:

> I thought the K1 was the commercial version of the Sierra.

The...er...Sierra is the commercial version of the Sierra.  :-)
It's still sold by Wilderness Radio.

The Sierra is rather different from the K1.  Not least difference
being the four PIC controllers found in the K1/KFL1/KAT1/KNB1 combo,
and none in the Sierra.  It has always amazed me how non-existent
digital noise is in the K1.

There's an interesting article about the Sierra, with schematic showing
the IF stage design that is at the root of this thread, found here:

 http://www.arrl.org/files/file/Technology/tis/info/pdf/96hb1789.pdf

> Didn't the Sierra predate Elecraft?

Sierra = 1994, Elecraft = 1998, K1 = 2000

> BTW, the K1 is about the neatest QRP radio I own...

I agree.  It's sad to see its current reduced status in the Elecraft
catalog...but it *is* 14 years old.  Few other ham rigs besides
those from Elecraft survive for such long runs.

I'd give up almost every ham rig I've ever owned before I'd let my
K1 #175 get away.  I'm also pretty attached to three of Dave Benson's
DSW-series that I built.   Like the DSW's, when the K1 finally goes
away completely, many will count themselves lucky to own one,
especially if it has the four-band filter board.  At least the KX1
is still available for those who want a DDS QRP rig...but there's
nothing exactly comparable to the K1.

73,
Mike / KK5F
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Re: [Elecraft] K3 Tune works, XMIT button produced no power.

[Larry Lopez]

Clarification:

I press the tune button and it tooks.

When I press the the xmit button little happens.

When I press and hold down the xmit button it goes into permanent rune mode
and it show output and swr just fine on the K3 and the swr meter.





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[Elecraft] K3 Tune works, XMIT button produced no power.

[Larry Lopez]

transmit power is set to 10 watts.
mode is AM, but that doesn't seem to matter.

When I press tune into a dummy load/swr meter, it tunes normally:

   The K3 shows swr and power on it's meters.
   external swr meter show power also.
   swr is 0.0 on both the K3 and the external swr meter.
 

When I press xmit:
   The K3 shows swr nothing,   power shows one bar.
   Also, power does not show on an external swr meter.

I have no clue.

I was testing an old S2-30 antenna tuner into a dipole.

The antenna SG-230 tuner is completely out of the circuit now.




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[Elecraft] WTB: Used (but operational) KAT2 Tuner

[James kvochick]

Hi,

I have an older ham friend who just loves his little K2 - he's very comfortable 
with the little rig.  He has recently been required to move his QTH, and 
doesn't have quite the antenna farm that he once had.

His K2 doesn't have the internal tuner.  It's my opinion that he would benefit 
with the addition of the device.

Before I slide over to Elecraft.com to purchase a new one, does anyone on the 
list have one for sale?  Perhaps from an upgrade to the 100 watt amplifier, or 
a kit you just never had a chance to put together?

Feel free to reply off list

73

Jim K8JK
(k...@arrl.net)

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Re: [Elecraft] KX1, KXB3080, KXAT1 - constructing sequence

[Don Wilhelm]

I replied off-list with my instructions for adding the KXB3080 while 
avoiding desoldering of the components.

Those instructions can be found in the reflector archives too.
If anyone else would like a copy of those instructions, send me an email 
off-list.


73,
Don W3FPR

On 10/19/2014 10:07 AM, Johnny Siu wrote:

Hello Elecrafters,

I am building a KX1 for a ham who is unable to do that due to health reasons.  
I notice that some modifications are required when building the KXB3080.  
Therefore, is it necessary to complete the kx1 first before the kxb3080?  Is 
there anyway to afford duplicate some of the build and unbuilt process for the 
later installation of kxb3080?

I remember when I built the K2, some installations for KSB2 can be done before 
the completion of K2.




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Re: [Elecraft] KX3 TX Problem

[Don Wilhelm]

Dave,
I suspect he is having problems with the Trnasmit Carrier Null. That 
procedure is normally done at the factory since it needs a spectrum 
analyzer to do it correctly.  If he has access to a spectrum analyzer he 
should ask support to send the complete instructions.  See page 34 in 
the manual.


73,
Don W3FPR

On 10/18/2014 9:14 PM, n...@comcast.net wrote:

My brother, W8TXT, has a problem with his KX3. In PTT, when he presses XMIT, the KX3 puts 
out 3 or 4 watts with the cw key still open. When the closes the CW key it puts out 10 to 
12 watts and stays at that level. In LSB, he hits PTT and gets the same 3 to 4 watts out 
without an mic audio. Sometimes the KX3 power out on the display agrees with his watt 
meter. At other times he does not see any power out indication on the KX3 display. In VOX 
he gets the same results however, he does see a quick "High Current" message 
flash up very quickly on the display when he keys it. Any ideas would be greatly 
appreciated. TNX es 73, Dave N8AG



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[Elecraft] KX1, KXB3080, KXAT1 - constructing sequence

[Johnny Siu]

Hello Elecrafters,

I am building a KX1 for a ham who is unable to do that due to health reasons.  
I notice that some modifications are required when building the KXB3080.  
Therefore, is it necessary to complete the kx1 first before the kxb3080?  Is 
there anyway to afford duplicate some of the build and unbuilt process for the 
later installation of kxb3080?

I remember when I built the K2, some installations for KSB2 can be done before 
the completion of K2.

Any advice will be appreciated.

73

Johnny VR2XMC
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