[Elecraft] K3 LP Pan for sale

[Jay Schwisow]

I have a recent factory assembled serial number #621 LP Pan for sale.  The
box and Power SDR (point and click) software works great but I am not using
it as much as I thought I would.  LP Pan is $180.00 shipped in the US.  If
any one is interested I also have a Personus Firebox  for sale that is a
great companion to the LP Pan if you need a high end sound card.  Price on
this is $175.00 shipped.  Both items have original boxes.   Contact me off
list  -  j...@kt5e.us  or 720-375-3429.

73,

Jay - KT5E 
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[Elecraft] 400 hz filter status - KT5E

[Jay Schwisow]

Lisa,

I received the K3 - Thanks.

I did not receive the 400hz filter.  Is this backordered?  When can I 
expect it?


Jay - KT5E
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[Elecraft] 274 is QRV

[Jay Schwisow]

Well#274 ordered May 10th is built and on the air.  A friend of mine 
and I built it in just under 4 hours.  It was quite the assembly line!


I have to say that I was  impressed with the kit.  Everything was 
included and it went together perfectly.  Form and fit was fantastic!   
The instruction manual is VERY well written and includes some of those 
"watch out" type comments that tend to be missing in other technical 
manuals.   Operationally, it is everything I expected it to be. 

For all of you that are waiting for the rig -it is worth the wait. 


Jay - KT5E
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[Elecraft] TX audio passband and ESSB

[Jay Schwisow]

I saw a note from Lyle that indicated that the TX audio passband was 
250hz to 3150hz.  Would this be any different with the 6khz roofing 
filter(& ESSB enabled) or is it a firmware issue at this time?


Jay - KT5E
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Re: [Elecraft] K2 Glitch on Field Day

[Jay Schwisow]

Larry,

Seems strange that this came up after your rig was sitting but I will 
tell you about my experiences with a toasty PA


I have not ever seen the message PA Hot but I certainly have noticed the 
PA getting hot and in a couple of instances cause the rig to shut 
down/reboot.  I operate alot of CW during contests and am constantly 
cqing and working stations.  I have a simple cure.  Using just a touch 
of double back tape I mounted a DC muffin fan on top of the PA (blowing 
air on to the PA).  Instead of wiring it directly to the K2 I just put 
it on a powerpole strip.


We had a 100 degree field day this year and the rig ran flawlessly.  All 
indications are that the this is cured on the K3.  It will have 2 nice 
size  variable fans.


Jay - KT5E

Wolfgang, Larry, WR1B wrote:

I've seen a couple of posts about folks having some interesting
"problems" with their K2s on Field Day. I also had an "event," and
wonder if anyone else has seen this problem before.

After operating most of Saturday afternoon, I turned off my K2/100
around 6 to break for supper. Since my wife had invited her brothers and
sisters for a picnic, it was around 8 when I turned my radio on again.
When I transmitted to answer a CQ FD, I saw the display show "PA HOT"
and no apparent output power. I cycled the radio off and on again, but
got the same message when I tried to transmit. The correct antenna input
was selected, but the KAT100 wouldn't tune. When I pressed the Tune
button it just displayed 20 and 1:1. I tried both CW and SSB with the
same result. I tried switching from 20 m to 40 m with the same result. I
turned off the radio again and went to visit with my cousin and her
husband for another hour or so. When I came back, I even tried
connecting my ac power supply to see if the battery voltage was dropping
too low for some reason. The PA HOT message came on each time I tried to
transmit. Finally I tried reducing power to below 10 W. Now the tuner
would work, and I could transmit, but going above 10 W gave the PA HOT
message again. I finally brought the radio and tuner inside for the
night and gave up.

Sunday morning I set the radio up again, and this time everything was
fine. No problems, full power, CW and SSB, everything worked fine for
the rest of Field Day!

Any ideas on what may have been going on? There were no storms, the air
was dry, the temperature was a bit cool, dropping into the low 60s. For
anyone who worked WB3IOS 1B EPA, thanks for the contact!

73, 

Larry Wolfgang, WR1B 
 
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[Elecraft] Disconnecting, grounding, lightning, etc..

[Jay Schwisow]

Here is an eham posting from a friend and RF engineer with Sprint - Mike 
Higgins K6AER. Mike has helped me with my station and taught classes to 
many. There is lots more to protecting your house, family and belongings 
than just disconnecting coax...read on.


From Mike Higgins on Eham 3/2006:

Well it is that time of the year when postings turn to grounding and 
lighting protection.


So much information has been posted on lightning protection in this 
fourm you could spend hours going through all the information listed and 
I would recommend doing so. Use the search engine in eHam and by all 
means forget the naysayers of grounding. Go to the PolyPhaser site and 
read their tutorials on lightning protection. Go to Lyncole, Hagar and 
ICE (Industrial Communications Engineers) and read their tutorials on 
grounding. There is no short cut to lighting protection. Your whole 
station and home needs to be addressed as a complete solution. Now if 
you live in the Northwest you can skip the rest of this article for your 
chances are very slim you would even see a thunderstorm. For the rest of 
the county this is an aspect of the hobby we have to deal with. This 
article is a reader's digest version of what must be done for surge 
protection and I hope it start you thinking about your home and station.


Every other year on average my station gets hit by lightning. This was 
not a problem when I lived in LA; I had a greater chance of being hit by 
stray bullets. I live in a very high lightning prone area called the 
Palmer divide in Colorado. June through August we have thunder storms 
every day with up to 40,000 strikes a day on average during those 
months. I am on my 3rd GP-9 antenna at the top of the tower. When a 
storm has gone by and I find what's left of a GP-9 in toasted shards all 
over the ranch, it doesn't take a rocket scientist to know what 
happened. I have lost no base station equipment to a lightning strikes 
but I have spent considerable time putting in proper grounding and surge 
protection on my station. As for the tower top fiberglass omni sticks, 
they're sacrificial and that just the cost of doing business where I live.


Proper grounding and surge protection works and works very well. The key 
is setting up low resistance grounding and the proper installation of 
grounding material. Disconnecting you equipment and putting it into a 
Faraday Shield box will work well but if you live in an area like my QTH 
you would be off the air for 3-4 months every year. Some hams like my 
self have more than one radio and going this route would mean my hobby 
is station assembly. I can't speak for most hams but after doing that a 
few times it looses its novelty.


The cell phone industry looses less then 20 sites a year to lightning. 
There are approximately 500,000 sites between Verizon, Nextel, Cingular, 
Sprint and others. Generally it is because the DSL line is struck and 
not the radio equipment. In the cell phone industry we ground at the top 
of the tower, base of the tower and where the cable goes into the 
facility. The facility has a ground halo inside and the all equipment is 
grounded to NEC code. Surge protectors are connected for all incoming 
and outgoing lines at the ground demarcation point. Site ground 
resistance is generally below 3 ohms. Four 20 foot deep ground rods is a 
grounding minimum. The AC entry panel has surge protectors (95% of all 
lightning damage comes in through the AC panel) and most importantly all 
the facility grounding is bonded together.


Power lines take by far the greatest hits and the pole flash-over-rods 
pass any surges below 10,000 volts. That still leaves a lot voltage 
coming down the power line. The primary and secondary portion of the 
pole transformer can arc over and your home is next in line. Your home 
AC panel should have a surge protectors connected to the panel. You 
worry about your ham equipment but what about your expensive 
entertainment and appliances not to mention the possibility of fire. You 
can protect your home and panel for under $100. Intermatic makes the 
Panel Gard model number IG1240RC surge protector for $60 not including 
the two additional circuit breakers. This unit has LED's to indicate the 
units status and wither you have taken a power surge. Installation is 
just three wires into the panel.


Did I mention lightning rods for the roof? Lightning is fickle and might 
miss your gorgeous tower and strike through the roof to the electrical 
wiring in the ceiling. The ground return in your home wiring connects to 
the master ground in your AC panel. Remember a lighting discharge is 
looking for the lowest impedance path to ground, i.e. earth. If your 
live in a highly lightning prone areas like Colorado, Florida and much 
of the mid west, lighting rods are a good investment. National Lightning 
Protection in Denver makes all the necessary material to install your 
lightning rod system. Their web site is a wealth of informat

Re: [Elecraft] Field Day on Pikes Peak

[Jay Schwisow]

Neat stuff Paul !

No concerns of thunder storms up there?  I have lots of respect for 
lightning so have chosen my field day sites a little farther away from 
mountaintops.


I guess that is why it is called Adventure Radio Society.

Jay - KT5E


- Original Message - 
From: <[EMAIL PROTECTED]>

To: 
Sent: Tuesday, January 24, 2006 10:59 AM
Subject: [Elecraft] Field Day on Pikes Peak


The December 2005 Issue of the Adventure Radio Society (ARS) Journal has 
just

been posted.

This issue has an article of my 'Trail Day' activities on the Barr Trail 
last

summer.
It describes the Cog Rail trip up the side of Pikes Peak and the 4000 foot
hike down Barr Trail. It has pictures of Pedestrian Mobile operation at 
Barr

Camp, at 10,200 foot elevation.
It has a picture of the KX1 operating /pm too.
No one else was operating from Barr Camp so it was a good site for Field 
day.

The   "Pedestrian Mobile: Reaching For a High on Pike's Peak"

article is on the ARS web site at http://www.ARSqrp.com/
or directly
http://www.arsqrp.com/ars/pages/back_issues/2005_text/1205_text/W0RW.html

Paul   [EMAIL PROTECTED]
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[Elecraft] Cw warble transmit and receive K2

[Jay Schwisow]

Good evening all,

I have  my K2 (no. 5037) for a number of months and it has been working 
great.  However, after a month of  non-use  I now have a warble  on both CW 
receive and transmit carrier.  I have this on both 40m and 20m and have not 
checked other bands.


A friend of mine and I have gone through the rig and do not see any obvious 
solder or component problems.


Using a oscilloscope at R30 we found .7v dc and 20 mv peak to peak 80-100hz 
AC.


Could this be a problem with U4 or U5?  Any ideas where I should be looking 
?


Thanks,

Jay - KT5E 


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Re: [Elecraft] QSL cards + A Question

[Jay Schwisow]

Tom,

It  is ok to send cards and expect a reply.  The class contesters will 
return a QSL.  It may take a few weeks to a month or so but your 
response rate should be high.  Yes - there are a few that will not 
respond but this is also  true of the rest of ham population.


eqsl and LOTW are both great.  However, it is unfortunate that the ARRL 
will not recognize eqsl for its awards.  CQ Magazine, Japan and some of 
the other foreign countries should be fine with eqsl.  In addition, eqsl 
has some of its own rewards.


Welcome back from being inactive and happy Qsling.

Jay - KT5E

Tom Skinner wrote:


Hello Group,

I'm slowly returning to active status after a very long hiatus, and I'm
starting to fill up the log.  I'm not sure if the "old etiquette" for QSLing
still holds.

In the past, exchanging QSL cards was considered part of the hobby - sort of
a polite way to "end" the QSO.  I know representative costs are probably the
same now as they were "then", but in terms of actual dollars an active ham
could spend a whole bunch of money on paper.  


Is it "OK" to send QSL cards (and expect a reply) to stations we work in
contests?  Seems like that would be a huge expense for the contester - given
the cost of the QSL and current postage rates.

How about this eQSL thing, is it a worthwhile venture?  LoTW?  Do contesters
usually post their logs on these services?  eQSL and LoTW seem kinda
sterile, but are they accepted as part of our computer-world?

73,

Tom, KJ3D




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Re: [Elecraft] High current question

[Jay Schwisow]

Bill,

I have had this problem twice.  Check and/or tighten all connections 
around the 239 on the back of the amp.  Once it was a broken solder 
connection on the  tab and another times the screws had come loose.


73's,

Jay - KT5E

Bill Carpenter wrote:
My K2/100 is indicating high current draw on a portion of 40 meters 
but only on the antenna.  On the dummy load there is no problem.  It's 
not high SWR as both antennas it happens with (double bazooka and 
ground mounted Butternut vert) indicate low SWR on my MFJ analyzer, 
SWR meter and the K2. This occurs at full power of around 100 watts.  
Any ideas on what may be causing this?  I'm using my Drake PS7 power 
supply which has more than enough amperage and minimal voltage drop.


Thanks and 73,

Bill NZ0T

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Re: [Elecraft] suggestions for a paddle?

[Jay Schwisow]

Tom,

Now this will make a good thread - enough arguing about no-code vs. code.

I highly recommend a Begali paddle as seen as www.i2rtf.com.  This is 
assuming cost is not an option.  I have used a Bencher, Vibroplex and 
Schurr.  IMHO, I do not believe there is a better paddle made.  I also 
believe that very few will disagree with me.


I have met Piero and he has an incredible passion for designing the best 
paddles in the world.  It shows.  All of the paddles are great - I 
currently own a Signature Edition and a Magnetic Traveler.


Jay - KT5E

tom martin wrote:

  1.. Happy Holidays to all.. Been thinking about purchasing a new paddle. think I might 
need to spend the "big bucks" for a Schurr Profi? Would like to think I don't 
have to do that. All my ham career I have been using a Bencher paddle and have been 
satisified. Really like the looks of the Elecraft-Bencher paddle? 
   Any suggestions on what to get??  
Thanks.   
 Tom  km4cu
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Re: [Elecraft] OT: K-index=2, But Bands Deader Than Doornail?/Try beacons

[Jay Schwisow]

Stephen/Jeff,

Always take a listen to the HF beacons.  This is a great way to see if 
the bands are "open".   Right now from Colorado,  I can hear W6 and KH6 
on both 15 and 20 meters.


http://www.ncdxf.org/Beacon/BeaconSchedule.html

73,

Jay - KT5E

Stephen W. Kercel wrote:

Jeff:

It is a perfectly reasonable topic, and one I've been wondering about 
myself.


Since Thanksgiving, we've had astoundingly bad conditions with lots of 
flares and storms.


There are three mechanisms of disruption indicated on the NOAA Web 
site, radio blackouts due to X-rays which are mostly felt on the 
sunlit side of the Earth and dissipate in a matter of hours, "solar 
storms" which are bursts of heavy particles (protons, as I recall), 
and the solar wind (a stream of electrons).


As I understand the numbers, K is a "near real time" (reported every 3 
hours) indication of disruption of propagation due to the geomagnetic 
fluctuations caused by fluctuations in the solar wind. With each value 
of K there is an associated value of a, with a pseudo logarithmic 
relationship between K and a, such that k=1 => a=3, and k=9 => a=400. 
A is the average of the last 8 a values, and thus is an indication of 
the cumulative effect of the solar wind on the geomagnetic field over 
the past 24 hours.


It is important to realize that A and K are statistical measures that 
correctly describe propagation most of the time, but not always.


A=9 is not low. It is usually an indication of "marginal but somewhat 
useful" conditions.


My guess is that when the atmosphere takes a series of severe hits, as 
has happened over the past week, it takes much more than 24 hours 
(suggested by formula for the A index) for the atmosphere to "heal" 
itself, irrespective of the low A and K values currently being reported.


It is my observation over recent months that once we've had a 
geomagnetic storm it requires two continuous days of both K and A <= 2 
before one sees the return of good conditions.


The problem is aggravated by the low sunspot numbers, and consequent 
low MUFs. I've noticed that most nights lately from New England, one 
hears practically nothing from Europe on 40 m (although one can hear 
Caribbean stations running European pileups). The reason is that the 
MUF between NE and EU most nights is about 6 MHz. 40 is dead but 80 
(in between storms) can be very lively.


Anyway, given the low MUFs, most HF bands are dead much of the time, 
and 80 is only usable when the noise (partly induced by geomagnetic 
activity) dies down.


I'd be curious what other list members know about this.

73,

Steve Kercel
AA4AK



At 03:53 PM 12/19/2006, Jeff wrote:
My apologies for going off-topic, but I'm learning to interpret the 
various
solar parameters, such as the A- and K-indexes, and I'm a bit 
confused.  The
K-index is only 2 at 2045 UTC on Dec. 19, but I can't hear ANY CW 
signals on
any band, which, until recent weeks, was a very unusual state of 
affairs.
The A-index is 9, which I believe is also relatively low.  Shouldn't 
I be
hearing at least a couple of signals, or is it just that everyone is 
still

at work?

Thanks & Happy Holidays,
Jeff
WB5GWB
Long Island, NY

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Re: [Elecraft] FT-950 Elite-Class 100 W HF/50 MHz Transceiver announcement

[Jay Schwisow]

Alot of this text comes from the FT 2000 brochure.  Maybe it is a FT 
2000 with Version 2.0 software. I personally do not understand why Yaesu 
is doing this prior the FT 2000 being stable unless it is replacing the 
FT 2000..


The features of the K3 and the approach that Elecraft is using to bring 
this to market (input from dxers, contestors, field testers, pre-built 
rig, etc..) will make this the rig of choice for many in the ham 
community.   I expect the K3 will  be one of the most popular and highly 
regarded rigs of all time.


Jay - KT5E
K2 - 5037
K3 - ?


J F wrote:

I thought folks might be interested to read about
this. No price noted... It's one of the raffle prizes
at SEDCO this year.

Looks like some standard K3 items are options on this
one!

http://www.k4ro.net/tcg/misc/FT-950pressNA.doc

http://www.sedco.homestead.com/

73,
Julius
n2wn
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Re: [Elecraft] Revised Shipping date for K3/CW decode

[Jay Schwisow]

I expect many non-CW guys (and gals) will get on CW with this in-display 
decode feature.  Cool and well done Elecraft!


Jay - KT5E

Don Rasmussen wrote:

Vic GLOATED shamelessly:
---
Okay - last night, I worked G4AMT with my K3. Here is
a very interesting shot - of G4AMT coming back to
KC7V.  I snapped the photo a bit too soon to get his
full call in the display:
http://www.kkn.net/~tree/160/G4AMT.jpg
Note the frequency.  You might wonder about the
display on the left showing my passband (it's got
wings on it).  Just yet another feature that hasn't 
been talked about yet that will blow the socks off the

competition.
Vapor - not.



  

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Re: [Elecraft] Best band for low cost DXing?

[Jay Schwisow]

Keith,

Right now at sunspot minimum I would say 20or 17meters.  40m at night 
but operating split.  80m and 160m follow if antennas allow.  Once the 
solar flux climbs up around 90 you will see some nice propagation on 15 
meters.


Have a look at the SSB dx contests.  October is one of the busiest 
months of the year.  The  big one is CQWW DX 10/27 (all weekend).  
Contest weekends tend to open up the bands when they seem closed. He 
could probably earn DXCC in one weekend of CQWW.   If his station is 
modest encourage him to wait until Sunday to work the more exotic DX.  
The pileups will be down and it will be easier for him to get through - 
assuming propagation.


One more note...small antennas including a simple dipole at 20feet can 
and will work.  If this is all Bob can put up then fine.  Sure I 
recommend a big yagi but for many this cannot be done.Note that in 
many cases the guy on the other end will do the heavy lifting..


Here is a complete calendar of contests:

http://www.hornucopia.com/contestcal/contestcal.html

Jay - KT5E

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[Elecraft] Very cool link to a DX contest logbook

[Jay Schwisow]

Just a little rabbit trail from waiting for the K3...

If you ever worked CN2R then go to this link and listen to your 
QSO...very cool:


http://cn2r.net/cn2r/cn2log_interface/QSOs/Logbook.asp


Jay - KT5E



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Re: [Elecraft] Re: [N1MM] Elecraft K3 with N1MM

[Jay Schwisow]

Any news regarding Writelog?

Jay - KT5E




I have full faith in John's abilities however.

I'm hoping to try N1MM Logger a bit later today in the Cal QSO Party
and then again next weekend in another 'activity' as well. Will report
if I find ANY show stoppers.

73,

Tom Hammond   N0SS   K3 Field Tester




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Re: [Elecraft] [Fwd: WSJ.com - --- -. . -- .- -. .----. ... -... .. -.. - --- ... .- ...- . -- --- .-. ... . -.-. --- -.. .]

[Jay Schwisow]

You can also see the Begali Sculpture key in the picture and video.  
Chuck has a great setup for CW - Elecraft and Begali !


Jay - KT5E

Jeff Stai wrote:
On 10/8/07, Brian F. Wruble <[EMAIL PROTECTED]> wrote [on the 
elecraft list]:
> > Front page article on Chuck Adams K7QO and his attempts to keep CW 
alive.

> > Great article.  Picture of an Elecraft K-1 (I think) as well.
> >
> > 73 de Brian W3BW

Yes, that is a K1.

When you email a link from the wsj.com web site, it is good for a few 
days - so follow one of these links and read it now!


73! jeff wk6i

ps: This is currently the 6th most emailed article today!


 Original Message 
Subject: WSJ.com - --- -. . -- .- -. .. ... -... .. -.. - --- ...
.- ...- . -- --- .-. ... . -.-. --- -.. .
Date: Mon, 8 Oct 2007 10:16:08 -0700 (PDT)
From: [EMAIL PROTECTED]
To: [EMAIL PROTECTED]

  Click the following to access the sent link:
 
 
WSJ.com - --- -. . -- .- -. .. ... -... .. -.. - --- ... .- ...- .

-- --- .-. ... . -.-. --- -.. .
* 



This article will be available to non-subscribers of the Online Journal
for up to seven days after it is e-mailed.
   
 


  *This article can also be accessed if you copy and paste the entire
address below into your web browser.
http://online.wsj.com/wsjgate?subURI=%2Farticle%2FSB119161604206850468-email.html&nonsubURI=%2Farticle_email%2FSB119161604206850468-lMyQjAxMDE3OTAxODYwMTg2Wj.html 






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Re: [Elecraft] Improving the station while waiting for the K3

[Jay Schwisow]

Josh,

There has been basic shack reorganization and I am staying involved in 
the contests with the K2.  However, my big project was the construction 
of a 3 element 30 meter beam on a 34 foot boom. I used parts 
acquired from an estate and modeled it with Yagi W.  I  just finished 
the testing today (at 40 feet)  and the mono bander is 1.3 to 1 or less 
in the band.  A friend of mine and I  nick named it the "droopy 30" 
since the 600" reflector droops about 4 feet from center.


Next step is to complete the tower for this one.  This project, the 160m 
and 10m contest still in play while waiting for the K3.


Jay - KT5E

J. Heide wrote:

Hello all,

While waiting for my K3, I am making general improvements to my station. I am 
in the process of building 20m and 6m Yagis and getting them installed. I'm 
also working on getting a functional 160m vertical on the air. Also checking 
out the other antennas before winter sets in too hard ( might be too late in 
some areas) and getting the shack a little cleaned up. A KRC2 is on the way to 
handle switching the antennas with some real nice coaxial relays from Motorola 
MTR2000 stations.
Anyone else making improvements and preparations for the arrival of their K3 so 
it has the best conditions in which to live?

Josh K6ZRX
K2/100 # 6097
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Re: [Elecraft] Heil mic question

[Jay Schwisow]

Is there any difference between the K2 proset and the regular Heil 
proset (with either the HC4 or HC5)?


Jay - KT5E

[EMAIL PROTECTED] wrote:
I have 2 Heil Prosets, the Elecraft version and the ICOM/Yaesu /5 version.  
Later today I'll check them side by side for comparison on the K3.  I can make 
both work equally well on the K-2 using the UN-PCB Universal Mic Interface to 
switch the bias in or out.
 
I use the Heil/Elecraft Proset mono(mic) and stereo(headphones) 3.5mm jacks 
on back and I can switch the speaker in or out at will with or without the 
headset turned on.
 
 
Al WA6VNN 




**Check out AOL's list of 2007's hottest 
products.

(http://money.aol.com/special/hot-products-2007?NCID=aoltop000301)
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Re: [Elecraft] KPA100 Temp/Fan

[Jay Schwisow]

Jim,

I run alot of CW contests and with constant CQing/exchanges you could 
fry an egg on the heatsink.  The existing cooling cannot keep up with 
the heat generated.   It looks a bit Frankenstein but I mounted (with 
double back tape) a 12 volt 2.5" muffin fan on top of the heat sink.  It 
runs cool as a cucumber now.  This is now standard operating procedure  
for contests I run at 100w.


Jay - KT5E

Jim Stoneback wrote:
I searched the archives and didn't find anything on this, but from 
what I've read, I think I may have a problem with my KPA100.  When 
operating CW the fan turns on high during every transmission and the 
heat sink gets hot to the touch.  I'm a ragchewer so my transmissions 
do run to several minutes and, regardless of power setting, the fan 
will kick on high after several minutes of transmitting.  Fan is set 
to 'nor'.  Sending speed ranges from 15-20 wpm.  Ambient temperature 
in the shack is around 74F.  The fan has never kicked up to high when 
on SSB but I don't operate fone much, and generally don't talk for 
very long when I do.  The K2/100 (recent build, sn 6194, KPA100 
Version F1.10) operates well in all other respects.  Does anyone have 
an idea what may be wrong?


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Re: [Elecraft] Which Heil Prosets should we carry?

[Jay Schwisow]

Bose has the Bose Aviation-X - $995.00

I always use my Bose noise cancelling cans for CW operating  but I am 
not sure I want to shell out $995.00 to get the microphone too!


Jay - KT5E

Toby Deinhardt wrote:

Hi,

> 25 db supression earphones that put your head in a vise are bad enough
> for a 5 hour flight.  I would not relish that for a 48 hour contest.

Just try and work multi-2 SSB using Heil with the other OP less than 6 
feet away "shouting", "NEGATIVE my call is delta delta five foxtrot 
zulu denmark denmark one two three four five florida zanzibar ..." I 
find it almost impossible. Most of the serious contesters here in 
southern and eastern Bavaria use passive suppression pilot headsets, 
so I'm not the only one who prefers them. I can see that the pressure 
on the ears might be a reason not to want to use this kind of headset. 
They are a fairly tight fit, but I still prefer them to every Heil 
Headset I have come across, because of the 25dB suppression. I would 
not call them a vise though.


vy 73 de toby


PS: Panzerkopfhörer (e.g. for camera operators at rock concerts) are 
much less comfortable but have even more passive suppression of the 
surroundings. They are also very heavy.

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