Re: [Elecraft] K2 CAT

[Ingo Meyer DK3RED]

Hello Jerry,



Hello K2 experts!


I'm not an expert, but the "Elecraft KIO2 Programmer's Reference" at



says at page 5:

PC (Power Output Level; GET/SET)

Extended SET format: PCnnn; where nnn is 000-150 in 0.1-watt units without the PA, 000-150 
watts with.


Hope this helps.


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Re: [Elecraft] K1 power output

[Ingo Meyer DK3RED]

Hello Dave,



I have a K1 that I’m looking to sell, and took a look at the power output 
before listing it.  Power output is as follows:

40 meters 5.2 watts
30 meters 4.5 watts
20 meters   1.3 watts
17 meters 0.7 watts

These are obviously not the expected power output levels.  Power supply voltage 
= 12.8 volts.  Output set to 7 in the menu.

What type of fault would this indicate?


All components for the filters for 40 meters and 30 meters filters are located between 
same contacts sides of K5A/K5B and K6A/K6B. The components for 20 meters and 17 meters are 
located all on the other sides of these relais contacts.


I therefore advise you to check the contacts of these relays as a first step. If you have 
switched the K1 to 40 meters or 30 meters, zero ohms should be measurable with an ohmmeter 
across the contact.



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Re: [Elecraft] KX3 and SWR

[Ingo Meyer DK3RED]

Hello Paul,

The tuner in my KX3 used to give me a nice 1:1 SWR at 
7.05 MHZ.  Now the best match it will give there is about 1.6:1.  In the "old days" we 
were happy with anything under 2:1 but can new rigs like my KX3 tolerate this poorer 
match?  I only run 5-watts CW.


The KX3 should tolerate an SWR of 1.6:1. I have already unintentionally transmitted with 
my KX3 (5W CW) without antenna and the KX3 is still in good health. The manual says at 
page 6: "The KX3 reduces power if SWR is high."


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Re: [Elecraft] ES-80

[Ingo Meyer DK3RED]

Hello Marshall,


Does anyone know if the Elecraft ES-80 case will fit an Icom IC-705?

I like the looks/design and layout of the Elecraft case and I want to get a
KX-2 or a KX-3 in the future but right now I have an IC-705  and I need a
good portable case for it.


The KX3 will not fit in thge ES-80 case, because the IC-705 is 3.2 inch deep (without 
knobs) and the KX3 is 2.7 inch deep (measured with knobs). The Specs for the ES-80 says 
3.15 inch deep inside.


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Re: [Elecraft] Receiver impedance?

[Ingo Meyer DK3RED]

Hello Wunder,



What is a typical input impedance for modern receivers, or specifically 
Elecraft receivers?

I’m asking because antenna tuners are a frequent question on an SWL group I 
follow and I’m pretty sure that they are not needed for most situations. If the 
receiver input impedance is not 50 Ω, that is a big data point.

My belief is that receivers are generally medium or high impedance, depending 
on whether the first RF preamp is bipolar or FET, but either way, mostly 
voltage-oriented.

And, yes, I know that antenna tuners can be a LPF or HPF, depending on their 
configuration.


You ask for the receiver impedance, not the tramsmitter impedance. I didn't know the 
answer. But I always assumed that it wasn't 50 ohms. Therefore, I measured the impedance.


Meter: Vector Antenna Analyzer FA-VA5

Output Power: 5.6 dBm (S9+78.6 dB)
Impedanz: 50 ohms
Frequency: 7030 kHz

Object under test: Elecraft KX3
Conditions: ATU BYP, FREQ 7030 kHz, PRE OFF, ATT OFF
Measured data: Z = 76.0 ohms + j 9.0 ohms
Magnitude Z = 76,5 ohms,  L = 204 nH
SWR = 1.56


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Re: [Elecraft] End of 3G will not affect your Amateur Radio service

[Ingo Meyer DK3RED]

Hello Gwen,



... One of my old phones is definitely
getting obsoleted out, but that's fine, it's an ancient 2g "Feature Phone"
I got from Ebay on a whim.


Here in Germany, 3G was already switched off in July 2021. However, most phones continue 
to work as they can handle both 3G and 4G.


And please take a close look at your 2G phone before throwing it away. My ancient 2G phone 
continues to work even if 3G no longer exists here.



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[Elecraft] Ham Radio 2021 Friedrichshafen/Germany cancelled

[Ingo Meyer DK3RED]

The Ham Radio 2021, which was to take place from 25 to 27 June 2021 in 
Friedrichshafen/Germany, was cancelled. Next date: 24 to 26 June 2022.


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[Elecraft] Ham Radio 2021 Friedrichshafen/Germany cancelled

[Ingo Meyer DK3RED]

The Ham Radio 2021, which was to take place from 25 to 27 June 2021 in 
Friedrichshafen/Germany, was cancelled. Next date: 24 to 26 June 2022.


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Re: [Elecraft] K2 transmit limitations (correction)

[Ingo Meyer, DK3RED]

Bonjour Pierre,

David put the finger on the right point, because my answer was not complete. 
Thank you!

I plan to buy, build and use a K2 and have one question : during the setting of this 
transceiver is it possible to strictly put limits to the frequencies which can be used 
like for exemple limit strictly the 17m band to 18,068 to 18,168 as in some countries a 
transceiver will not be authorized if it can transmit outside of the authorized frequencies ?


You put two question in your mail. So here are both answers.

No, it is not possible to restrict the K2 transmitting frequence during the building 
process, neither by hardware nor by software.


And yes, it is possible to transmit with a K2 outside the ham radio bands all 
times.

But I don't know any reason why a ham radio operator should send outside the frequencies 
that are reserved for us. And to restrict the frequence area in a ham radio band makes 
also no sence to me, if you are a ham radio operator.


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Re: [Elecraft] K2 transmit limitations

[Ingo Meyer, DK3RED]

Bonjour Pierre,

I plan to buy, build and use a K2 and have one question : during the setting of this 
transceiver is it possible to strictly put limits to the frequencies which can be used 
like for exemple limit strictly the 17m band to 18,068 to 18,168 as in some countries a 
transceiver will not be authorized if it can transmit outside of the authorized frequencies ?


Yes, it is possible with a K2. But I don't know any reason why a ham radio operator should 
send outside the frequencies that are reserved for us.


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Re: [Elecraft] CWT Calibration

[Ingo Meyer, DK3RED]

Hi Wilson,



I have deduced that the bars in the CWT display are 25 Hz apart.
Does anyone know if that's right?


Can you hear a 25 Hz pitch difference when it's hot on the short wave bands? If so, 
congratulations! You can admit it if you used a frequency counter.


In my opinion CWT is a very good tool to get close to another station quickly. And no one 
realy no one has complained to me in a QSO so far that I was 25 Hz away from his 
transmitting frequency.



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Re: [Elecraft] K4 in production

[Ingo Meyer, DK3RED]

Hey folks, stay calm!

Long long before Corvid-19, for example, the delivery time for simple block capacitors 
(100 nF) was 12 weeks or more. I suspect that the Elecraft team will start the 
pick-and-place machines as soon as possible when everything arrives. So stay calm!


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Re: [Elecraft] Computer control software

[Ingo Meyer, DK3RED]

Hello John,



Is anyone using computer control programs for the K2 that they have
downloaded.
I have the cabling to connect the K2 to my computer.


Sometimes, if I'm too lazy to key or I need to go fast, I use KComm together with the K2. 
KComm is designed by Julian Moss, G4ILO. The program is available on 
.


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Re: [Elecraft] Sending CW unconventionally

[Ingo Meyer, DK3RED]

Hello Jim,



If you think this is unusual, it is. But not impossible.
Check this video
https://m.youtube.com/watch?v=iJljUmd3jzY


Typically send with both feet (QBF),
instead of sending with left foot (QLF).

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[Elecraft] DL2FI SK

[Ingo Meyer, DK3RED]

Very sad news from his son:

After a long illness, QRPeter, DL2FI, put the key out of his hand forever on the evening 
of March 28, 2020!


In deep sorrow

vy 73 de Nik, DL7NIK
QRPproject
where power and intelligence unite
http://www.qrpproject.de

Original here:


I mourn for a real friend!

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Re: [Elecraft] VFO drift KX3

[Ingo Meyer, DK3RED]

Hello Ed,


Lately, I've noticed my 3-year-old KX3 drifts a small amount, according to
the readout, in CW mode. For instance, if I set rig on 7.033.00 hit the key
and look at the readout it will say 7.033.010 and sometimes bounces back to
7.033.00

I don't remember this being a problem before. Is this normal for the KX3 or
is there something I should look into?


I suspect it is the VFO button itself.  If it is too loose, a tuning step can be generated 
one way or the other.


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Re: [Elecraft] KX3 Utility Terminal window for CW

[Ingo Meyer, DK3RED]

Hello David,

I'm enjoying and getting a lot out of our CW discussion.  I've tried to use the KX3 
uUtility for practice sending CW.


p. 60 of Fred Cady's big, excellent Elecraft KX-Line book says I shouldbe able to use the 
Terminal window of the Utility to display the text of the CW I'm sending, but I've never 
been able to get it to work.


Any ideas? 


I use the "Terminal Window" of "Elecraft KX3 Utility" for typing CW via keyboard.And the 
characters sent are displayed.


But I can't decode characters given with the key. Only via keyboard - butthat was not your 
intention. Did Fred Cady write if they were the characters entered with a key or with a 
keyboard?


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[Elecraft] [KX3] KXUSB

[Ingo Meyer, DK3RED]

Hello Elecrafters,


It is possible to control the KX3 via an USB cable named KXUSB. The cable I have is too 
long for my station, so I always have to roll it in. I could buy a shorter cable. But I 
don't know if it fits. Is the KXUSB the same as a normal USB TTL converter cable?



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Re: [Elecraft] Battery pack not powering K2

[Ingo Meyer, DK3RED]

Hello Robin,



I hope someone can help me here. I have K2 with the internal battery kit.

...

When I check the voltage on the battery terminals it says 10.5V. I get the same 
reading on the P3 connector, so power is reaching the radio, but the radio is 
not powering up.


I had the same problem a few years ago. Charging with an external charger seemed to work. 
But the transceiver switched off very quickly, even though there was still enough voltage. 
Finally, after 10 or 11 years of use, I exchanged the battery for a new one and everything 
was fine again. Knowledge: Lead batteries don't live forever.



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Re: [Elecraft] KX3 - PX3 Interconnects Lengths

[Ingo Meyer, DK3RED]

Hello Wayne,



This was intended to allow the PX3 to be placed on either side of the radio, 
etc. Have you tried tucking the excess underneath the KX3?


Only on one side of the KX3 is place for the PX3. On the other side there is the antenna 
jack - at least on my transceiver. ;o) You would have to use an angled plug for the antenna.



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Re: [Elecraft] [PX3] Waterfall

[Ingo Meyer, DK3RED]

Hello Grant,



The waterfall height range adjustment is from 20-139, with 100 as the default.  
With height set to 139, slightly more than 1/2 the display is waterfall — maybe 
60%

At that height it takes about 10-11 seconds for a signal to move to the bottom 
of the display


Thank you for the detailed information.


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Re: [Elecraft] [PX3] Waterfall

[Ingo Meyer, DK3RED]

Hello Mike,


> I too intend to buy the PX3. Did NOT see answer to your question.
> I would be interested IF you got a direct reply with ANSWERS?

There was only one answer direct and no one via the mailing list.

> Ingo, your can adjust the height to only about 1/2 the size of the window.
> There is a menu selection for it called Waterfall Height.

This statement surprises me, because the manual says for the menue "Waterfall" the default 
is "100" to change the height of the waterfall window when the display is in waterfall mode.


Does that mean 100% of the half display height?

And there was no answer to my second question:

> If the waterfall is increased to 100% height (if possible), how long does it
> take for a signal on the waterfall to reach the bottom from the top?


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[Elecraft] [PX3] Waterfall

[Ingo Meyer, DK3RED]

Dear Elecrafters,


I intend to buy a PX3. But I still have a few technical questions.

The manual says  "[DISP] toggles between the spectrum, and combination spectrum/waterfall 
display modes." Is it possible to increase the height of the waterfall to 100%, so the 
spectrum height is zero?


If the waterfall is increased to 100% height (if possible), how long does it take for a 
signal on the waterfall to reach the bottom from the top?



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Re: [Elecraft] OT: Yahoo Groups is going Offline

[Ingo Meyer, DK3RED]

Hello Keith,


 


All those ham radio email lists will be disappearing very soon.


Stay calm! The site says also: "Yahoo's announcement says that the site will continue to 
exist, but all public groups will be made private and require administrator approval to join."



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Re: [Elecraft] [K2] looking for method to get K2 to send serial output via KIO2 without prompt

[Ingo Meyer, DK3RED]

Hello Steve,



It would be great if I could see if it worked "the other way" in other
words, if the K2 could somehow be made to send at least something out the
TX port without being prompted.

As you can see, because the KIO2 appears to not be able to send the
received data to the main MCU, I can't get the MCU to speak.


It should be possible, because the terminal program can i.e. ask for the frequency and the 
K2 will answer via KIO2.



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Re: [Elecraft] Does this look like a low battery problem?

[Ingo Meyer, DK3RED]

Hello Joe,



Out portable yesterday - KX3 powered by an 8400mahr LiFe battery pack, which 
was fully charged that morning before I started operations. Antenna was a 
Buddipole vertical on 7119, SWR1.1, with j, C and L components all zero (ie on 
the antenna's resonant frequency). KX3 running at 15W out.

After an hour of operating (SSB), the KX3 started to wander off frequency by a 
1Khz on transmit. A contact noticed this during a QSO. The battery showed 13.1v 
at the time.

I changed the battery, and with the new one the KX3 worked normally.

Is this a low battery issue, or do I need to look elsewhere?


I use my KX3 down to 10 volts an lower without any frequency change.
I suspect rather great transitional resistance, especially when transmitting.
Are the wires from the accu to the KX3 thick enough?
Are the connectors are stable enough (no defective/intermittent contact)?


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Re: [Elecraft] Possible OT: Bouvet Island again

[Ingo Meyer, DK3RED]

Hello Knut,


> The 3Y0I expedition is now finally under way. I started my search for
> information here:
>
> https://dx-world.net/3y0i-bouvet-island/
>
> I looked at the official web site, the Facebook page and the tracking page.
> Alas, I can not find much information. No equipment list, no operator list,
> no band plans, etc. etc. Am I missing something or are these folks extremely
> secretive?

The official webpage at



says, "the Team will NOT monitor DX clusters nor personal email boxes during the 
DXpedition." So I think a lot of informations will not be displayed, only at





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[Elecraft] KX3 - protection

[Ingo Meyer, DK3RED]

Dear Elecrafter,

Is there in the front end (at the antenna) of the KX3 an overvoltage protection like in 
the K3?


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[Elecraft] [KX3] Legs

[Ingo Meyer, DK3RED]

Hello Elecrafters,


I have a little mechanical nuisance with the legs of my KX3.

If I carefully tighten the screws, after a while the right leg can no longer be folded out 
completely and the left leg wobbles.


Is there a solution to hold the underside of the transceiver in place AND to hold the 
legs, so i can move the legs evenly for a longer time?



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Re: [Elecraft] Elecraft's source code

[Ingo Meyer, DK3RED]

Hello Harry,



Elecraft is in a bit of a Catch 22 because yes with open source they could get 
the benefits from it
But it could also equate to more "warranty" work for Elecraft when someone 
messes up their radio.


I think this is the main reason to "close" the source code. I have seen the problem with 
open source on SDR software. Anyone who thinks he could also program or could better 
program modify the open source code and spread it. Who uses the modified code and finds an 
error with his transceiver/computer, turns to the manufacturer of the hardware and not the 
manufacturer of the software.
I like my Elecraft rigs (with the closed source). The developer team tested it and I can 
use it without jamming anywhere. Requests flow into the software after weighing.



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Re: [Elecraft] [KPA1500] Input Power

[Ingo Meyer, DK3RED]

Hello Mike,


Hi,  Did you get answer for AC input power demand?    VA or power factor?Â


No, only for the input power (see below), which I want to know.

1500 watts output = 61.8 dBm --> 15 dB gain --> 46.8 dBm = 47.5 ... 48 watts 
input


The gain limit of 15 dB is set by the FCC. ...


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Re: [Elecraft] [KPA1500] Input Power

[Ingo Meyer, DK3RED]

Hello Kevin and all Elecrafter,


The gain limit of 15 dB is set by the FCC. There is a move afoot to have them 
drop that
particular requirement but the FCC also moves a "glacial" pace. No telling when 
it might
happen.


Thanks for the answers online an offline!

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Re: [Elecraft] KTS1 Tilt Stand for K1

[Ingo Meyer, DK3RED]

Hello Jim,



Does Elecraft still sell the KTS1 tilt stand for the K1? If not, does anyone 
know of an
alternative?


There is an alternative on the website of KR1ST.



It's designed for a FT-817, but also usable for all small transceivers.


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[Elecraft] [KPA1500] Input Power

[Ingo Meyer, DK3RED]

Hello Elecrafter,


I have read the FAQ for the KPA1500. But there are no informations neither to the minimal 
or maximal input power nor to the gain. Or did I miss something?



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[Elecraft] KX3 - protection

[Ingo Meyer, DK3RED]

Dear Elecrafter,


Is there in the front end (at the antenna) of the KX3
an overvoltage protection like in the K3?


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Re: [Elecraft] Lingua noise reduction

[Ingo Meyer, DK3RED]

Hello Bill,



Anyone see a  price?


Yes, here http://darcverlag.de/Lingua


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Re: [Elecraft] WTB KAT2 Tuner

[Ingo Meyer, DK3RED]

Hello Gary,


I am looking for a KAT2 internal tuner for my K2.  I would prefer an
unbuilt kit, but a completed one would be fine too.


The boys from Elecraft have so many kits that they have to sell them even. ;o)

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Re: [Elecraft] Different Reflectors for different models

[Ingo Meyer, DK3RED]

Hello Bob,


For those that might have a more or less interest in various products.


Oh no, please, don't do it! There is one (!) list for one (!) product - Elecarft! I also 
own only at the time a K1 and K2, so many topics are rather uninteresting for me. But I am 
also interested in other issues with other products (like antennas, power supply etc.) 
with other products.



At least put the model in the subject line.  That way I can eliminate 
automatically the
not interested items.


Yes, that's the right way!
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[Elecraft] Ping

[Ingo Meyer, DK3RED]

Ping. Is anybody out there?
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Re: [Elecraft] Internal Impedance of Li-Ion Battery Packs

[Ingo Meyer, DK3RED]

Hello Jim,


... So my
question is, what sort of internal resistance should I expect for a battery 
rated like
this? ...


...


Here's a pack that I'm considering.

http://www.batteryspace.com/polymerli-ionboxbattery111v252ah27972wh14arateli-ionwithcarsocketsmartcharger.aspx


Thats easy! Following the link the description says:
11.1V 25.2Ah Polymer Li-Ion battery pack is made of 2 pcs of 11.1V  12.6Ah Polymer Li-ion 
battery modules in parallel connection


Following the next link to the 11.1V  12.6Ah Polymer Li-ion battery modules 
says now:
11.1 V 12.6 Ah pack is made by 3 pcs  Polymer Li-Ion cell of 3.7V 12.6Ah

Following again the lin, at his time to the Polymer Li-Ion cell of 3.7V 12.6Ah brings the 
value:

Internal Resistance: 14 m-ohm

3 times 14 milliohms in each row (= 42 milliohms) with 2 rows parallel results in 21 
milliohms for the whole pack.

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Re: [Elecraft] Fake FTDI chips

[Ingo Meyer, DK3RED]

Hello Don,


With the serial cable, I can use a real serial port or a good USB to serial 
adapter to
program my handheld.


I have to disagree with you. Yes, a RS-232 interface is the best choice, if you can use a 
RS-232 interface at your computer. If not, also you will use an adapter. But what is a 
RS-232 to USB adapter? Right, a chip from Prolific or FTDI ( hopefully). Nobody is 
protected from a fake chip.

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Re: [Elecraft] K2 Antenna Tolerance

[Ingo Meyer, DK3RED]

Hello Tom,


I've just finished my K2 bare bones, and would like to get on the air. What
SWR will the finals tolerate without harm? I'm using a ground mounted trap
vertical


I have used my old K2 (#01118, modified for 5 watts output) also without an antenna, but 
without deletions of the finals, so the SWR was infinite. But if you use the upper output 
limit of your K2 this operation mode could be deadly.

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Re: [Elecraft] Modern battery for K2

[Ingo Meyer, DK3RED]

Bonjour Denis,


HI I have just acquired a Super Polymer Lithium Ion battery from an Ebay
seller, it's part no. is DC 1298A, (12V 9.8Ah)
Also received a small charger with this battery for 120-240 Vac. The
physical size seems like it will easily fit inside my K2 with room to
spare. Is this battery safe to fit internally in my K2 and recharge using
the supplied external charger?


Sounds good, because the text for the blue batteries at ebay says: With its 
multi-protective device, the inner circuit prevents the box from over-recharging or 
over-discharging. So the balancer is already included in the packet and the packet should 
be save. Merci for the tip.

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Re: [Elecraft] Modern K2 internal battery options

[Ingo Meyer, DK3RED]

Hello Mike,


Several people have used LiPos in the K2 - I looked into it but I decided it
was too risky. There is a risk of fire/explosion but with suitable
protection the really big risk letting the battery go flat and ruining it. I
have a LiPO pack to power the K2, but it remains external and has a low
voltage warning buzzer.


LiFePo4 (lithium iron phosphate) cells are saver than LiPo cells. 4 of them in a row are 
usable for 12 volts transceivers. Working voltage: 3.3 volts x 4 = 13.2 volts. But a 
balancer (like with LiPo cells) is necessary to prevent overchanging and uneven unloading. 
Individual cylindrical in shape cells (with bolts as contacts) are avaiable from different 
stores - balancers as small PCB too (all balancer with 4S are usable). But watch: Neither 
the cells nor the balancer are cheap!


There are also ready to use accus, which contain 4 LiFePo4 cells with the necessary 
electronic i.e. from Vision, see
http://www.conrad.com/ce/en/product/251470/Vision-LFP1245-12V-45Ah-LiFePO-4-Battery-Rechargeable. 
To use this batteries only a normal loader for lead batteries is necessary. Unfortunately 
fits the currently available batteries not in the K2.

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Re: [Elecraft] Modern battery for K2

[Ingo Meyer, DK3RED]

Hello Phil,


I am still wondering if anyone has a part number of a nice Li battery of any 
chemistry that fits into the K2 battery space. Most of the batteries I have 
found are too large.There are tons of satisfactory batteries that I can use 
external to the K2, but I prefer a self contained rig.


Look for A123 ANR26650M1A at eBay.
Each cell: 3.3 volts, 2300 mAh, diameter 26 mm, lenght 66 mm
You need 4 of it and a balacer 4S1.
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Re: [Elecraft] usb to serial adapter k3 problem

[Ingo Meyer, DK3RED]

Hello Barry,


Very strange problem I am having between the K3 and the computer for rig
control using a usb to serial adapter (prolific chip set).  Sometime it
works just fine and other times it goes funky, looses rig control or cw
keying or keying the tx with no power output. When I reboot it sometime
works fine and not other times.


Make sure that you have no RF in the shack. If RF is present, it can enter direct in the 
K3 or affect the adapter and create problems, which you have described. So keep the RF of 
the K3 and the adapter with torroids on the control cable.

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Re: [Elecraft] Why are my messages being cut off at the subject line?

[Ingo Meyer, DK3RED]

Hello John,

First of all: Please send emails via the Elecraft mailing list only as plain text. Your 
request was a blank email body (beside the footer).


The first bounding factor is the internet provider. For example AOL cuts the subject line 
to about 38 signs, Yahoo to 47 and Hotmail to 45.


The second bounding factor is the mail client at the receiver. Mobile phones e.g. can 
display less than this signs.


If you would like to write a novel, please use the body. The subject is a line 
(!).

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Re: [Elecraft] Newbie ....

[Ingo Meyer, DK3RED]

Hello George,


I have a K1 with 40 , 30 , 20 and 15 with the ATU and battery pack. Would there 
be room for the 2 band board with 80 and 17 ??? Looks mighty crowded in there 
!!!


Yes it is, if you change the 4-band modul with the 2-band modul. There is no 
other way.
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Re: [Elecraft] OT: Solar Panel Tests with K1 and A123 Battery

[Ingo Meyer, DK3RED]

Hello Eric,

Like Barry wrote: Don't use your battery without a solar charge controller.
The only (!) situation for connecting the panel direct to the barttery is, if 
your 
transceiver sucks more current in RX mode as your panel can deliver AND (!!!) 
you pull out 
the panel, if you switch off your transceiver. In all other cases use a solar 
charge 
controller. The reasons are following.

Foundation: A solar panel delivers up to 20 or 22 V if the current is low (or 
zero). Yes, 
the voltage drops if you put on a transceiver which sucks a lot of current.

Case 1: But what is happend if you switch your transceiver off? Right, the 
voltage rise 
step by step during charging your battery because the charge current drops 
slowly. Anytime 
the voltage transcends the cut off voltage of the battery (13.8 volts) and the 
battery 
begins to produce gas and/or loses water (also at SLA's). Any loss of water or 
acid will 
reduce the capacity of the battery and will reduce the life time of the battery 
because 
you can not refill water or acid in SLA's. Esacaped acid is visible as white 
sediment 
around the small vents on the upper surface of the battery.

Case 2: If you use a high-performance solar panel, so the current from the 
panel is 
greater than the current to your transceiver. So the battery will charge at all 
times and 
transcends anytime the cut off voltage. Consequences: See case 1.

If you want to use your battery for a long time, please use a solar charge 
controller.

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Re: [Elecraft] Toughness

[Ingo Meyer, DK3RED]

He John,

 Which Elecraft products stand up best to knocks, bumps, etc. seen while
 fielding a station?

Do not knock your transceiver! ;o)

I think the elecraft transceiver are all robust for fielddays or portable use. 
But all 
transceivers have knobs, jackets and displays, which shold be sheltered during 
transportation.


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Re: [Elecraft] KX3 Antenna

[Ingo Meyer, DK3RED]

Hello Jim,

 What antenna is shown on the KX3 photo. It is mounted on a 90 degree
 BNC adaptor.

Careful if you mount the whip antenna directly at the KX3 (or other 
transceivers).
The force that the 1.4 m long antenna exerts on the BNC socket of the 
transceiver is not 
negligible, especially if wind blows. It's better to use a short piece of koax 
cable as 
flexible connecting piece and put the antenna on a separate stand.

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Re: [Elecraft] Transmitter Alignment

[Ingo Meyer, DK3RED]

Hello Gary,


 Does anybody have a link on how to align my K2 using an oscilloscope?

Does anybody need an oscilloscope to align a K2? The tools on board with an 
PC and 
spectogram are enough, I think. At least I need only this tools ti align my K2.


73/72 de Ingo, DK3RED - Don't forget: the fun is the power!
www.qrp4fun.de - dk3...@qrp4fun.de
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Re: [Elecraft] Need plans for building small baluns for using balanced feedline with a K1

[Ingo Meyer, DK3RED]

Hello George,

 I know I should be able to find this information someplace, but so far I 
 haven't come up with it, and I am sure someone has already designed these.  I 
 would appreciate it if you would send me the plans.  Please send to my email 
 k4...@arrl.net so I will be sure to get it.  I am getting way to many emails 
 at present, and some gets lost in the shuffle.

Look at http://www.njqrp.org/balun and the PDF file with the construction 
manual (based on 
Charles Greene W1CG).

73/72 de Ingo, DK3RED - Don't forget: the fun is the power!
www.qrp4fun.de - dk3...@qrp4fun.de
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[Elecraft] Test, please ignore

[Ingo Meyer, DK3RED]

Test, please ignore
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Re: [Elecraft] K1-4 niMh 1.2v batteries

[Ingo Meyer, DK3RED]

Hello Bob,

 I have the internal battery option installed on my K1-4. I searched for
 batteries online and at Radio Shack. Elecraft recommends Radio Shack brand
 batteries, but warns that they must not be larger than 0.55 (14 mm). I
 need 8 NiMh 1.2 volt cells. The RS batteries do not specify the diameter of
 the cells. ...

Is there an additional information on the batteries or in the text?
The batteries labeled AA (or Mignon) have a diameter of 14.3 mm (and a length 
of 51 mm).
So any AA/Mignon cell (any brand) should fit.
-- 
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Re: [Elecraft] L network problem solver?

[Ingo Meyer, DK3RED]

Hello Sandy,

 Anybody recall where one of these calculators is on the internet?

Maybe here ;o)

http://www.qrp4fun.de/en/s5.htm#d9
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Re: [Elecraft] German Ham Fest

[Ingo Meyer, DK3RED]

 Will Elecraft be represented at The German Ham Fest in Friedrichshafen this
 year?

Yes like Wayne wrote.

19.05.2011 08:18, schrieb Wayne Burdick:
  Eric (WA6HHQ) will be there, with plenty of new stuff :)
 
  Wayne
  N6KR

Both A1-860 next to the both of the DL-QRP-AG.
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Re: [Elecraft] K2 Toroids not measuring correct inductance?

[Ingo Meyer, DK3RED]

Hello Rod,

 In the K2 manual it says to wind the toroids with the amount of turns
 specified and not to alter the windings to get the inductance specified in
 the parts list.
 I notice that many of my toroids do not measure near the stated inductance
 in the parts list but are wound with the specified amount of turns and would
 just like to know why??

Do not count the windings. Wind it (like 7000 K2-builder before) and it's right.
-- 
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Re: [Elecraft] K2 Toroids not measuring correct inductance?

[Ingo Meyer, DK3RED]

Hello Rod,

 In the K2 manual it says to wind the toroids with the amount of turns
 specified and not to alter the windings to get the inductance specified in
 the parts list.
 I notice that many of my toroids do not measure near the stated inductance
 in the parts list but are wound with the specified amount of turns and would
 just like to know why??

Ups (measure not count)!

Do not messuare the windings. Wind it (like 7000 K2-builder before) and it's 
right.
-- 
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Re: [Elecraft] Junk mail from elecraft...

[Ingo Meyer, DK3RED]

Hello John,

 It looks to me like the elecraft@mailman.qth.net input filters have been
 compromised -- I am getting junk mail spam from the sex trade via the
 Elecraft server. I see that QTH.COM appears to be the underlying
 service, so perhaps it is the source of the junk? ...

The spam, which you received, did not dispatch over the Elecraft list.
If like that, each member would it was received. But that is not like that.

The spammer changed its behavior. They use email addresses as senders, which 
them find on 
unprotected computers in a adress book. And the transmitters are usually 
stolen 
computers in one of the many botnets. The owners of the computer do not know 
often nothing 
about this botnet applications, which run on their computer.

So do not suspect Elecraft or QTH.com therefore. Use your delete key or improve 
your 
filter settings. And do not open any attachements, also not automatically by 
the program 
(switch of the representation of pictures in your email program and do not 
permit to 
reload external pictures automatically).

No, I am not an expert, but I have learned and I learn a quantity over it.
-- 
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Re: [Elecraft] Spectrogram v5.17

[Ingo Meyer, DK3RED]

Hello Vern,

 Where may I purchase Spectrogram v5.17?  I've seen the downloadable version 
 but I wanted to obtain it on disc.  Thank you for your help.

You can not buy Spectrogram v5.17, because Richard Horne, the creator of this 
program, is 
lost in (web)space. An the v5.17 is a freeware. So save it yourself on a disc.
-- 
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Re: [Elecraft] beat freq method

[Ingo Meyer, DK3RED]

Hello jrstorms,

 Trying to set the freq cal for the reference using method 2 since I do not
 have a freq counter.  I may be tone deaf or something but I am not sure what
 the beat-freq sounds like.  Wish someone would post or send a sound file
 demonstrating the beat freq when off, close and good sounds like. ...

You could not hear a beat frequency. Noboby can hear it. But you can locate it. 
Turn your 
VFO/BFO slowly around the target frequency (up and down). If you VFO/BFO 
frequency was 
higher than the target frequency you can hear the tone/frequency goes lower and 
lower. At 
one point you can't hear it. If you turn the VFO/BFO in the same direction, so 
you can 
hear the tone/frequency again, but the frequency goes now higher. The area, at 
which you 
can't hear the tone, that is the beat frequency.
-- 
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Re: [Elecraft] K2 Problems

[Ingo Meyer, DK3RED]

Hello Nick,

 Looking for some help please. My K2 has developed some distortion on received 
 signals and without warning  the internal speaker (and the external speaker 
 jack) failed to work when turned on -- although headphones still work. I am 
 about to check out the AF amp but wondered if my symptoms ring any bells with 
 long-time K2 owners (I should add that my K2 was damaged by lightning static 
 and these faults possibly spring from that time. 

Maybe the headphone jack in your K2 is (a little bit) faulty. The contacts for 
the 
headphone works sill. But the switcher inside the jack failed. This is the 
reason why the 
speacker an the external speacker jack failed too.
-- 
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Re: [Elecraft] K2 : to release all the LPF-Relais

[Ingo Meyer, DK3RED]

Bonjour Luc,

 There is a possibility to release all LPF-Relais in the K2/10 PA (very usfeul 
 to test the LBF). Could some one refresh my failing memory ?

Turning power off/on in the INIT mode of the ATU clears all L-C-network data
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Re: [Elecraft] K2 - Battery needs CPR

[Ingo Meyer, DK3RED]

Hello Tom,

I know I be late but hope not too late.

 The problem was that I went QRT for a year or so and left the battery 
 unattended and now it won't hold a charge.
...
 Any ideas would be appreciated.

Maybe your battery has a chance, but without guarantee. You say the battery 
don't hold the 
charge. So my question. Is there a significant charge current (minimum 100 mA) 
over some 
hours, if you put the SLA on 13.8 volts? If you now say yes, put the SLA in 
the garbage, 
like also Don sayed. But if you say no, it's possible to bring the SLA back 
to life.

In this case it's looks like the battery has a sulfat layer on the lead 
packages. This 
caused in a high internal resistance. You can measure after a charge 12 volt to 
13.8 volts 
with a DMM, but the batterie don't hold the charge. The reason for it is, that 
the battery 
has not sucked any significant current during the charge process.

So try the following procedure: Put the SLA on a charger, which gives 13.8 
volts AND a 
which has a current limiter of 100 mA or 200 mA or so. For controlling put a 
ampere meter 
in row with the battery. You will see for days or sometimes for 1 or 2 weeks no 
significant current flow. But if the sulfate layer at last is broken, the 
current flow 
jumps up. You know now, why the charger needs a limiter. After the charge 
procedure is 
solved, discharge the SLA again controlled until 10.5 volts and repeat the 
charge process 
with normal conditions.

I repeat it: There is no guarantee, but hope.
-- 
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[Elecraft] [K1] SN 2682 is borne

[Ingo Meyer, DK3RED]

Hello Elecrafters,

On January 31 at 1515 UTC a new K1 was borne. She is alive and kicking. Their 
name is SN 
#2682. At the time she is playing with her big sister K2 #01118 outside at the 
antenna. 
There were no difficulty with the birth. Thanks to the intellectual fathers and 
kit packers!
-- 
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Re: [Elecraft] KAT2 question

[Ingo Meyer (DK3RED)]

Hello Geoff,

I have a quick question, as I have been using an MFJ tuner to a balanced 
feedline on a doublet, and have not built a balun for the K2/KAT2 yet.  
Is there a bypass mode for the KAT2 such that I can use an external 
tuner?  ATU AUTO, of course, causes the KAT2 to go thru a tune cycle 
when pressing the TUNE button on the K2.


Yes, its possible. If you use the KAT2 as SWR/wattmeter only, the matching network 
is disabled/bypassed. Switch your KAT2 via the menu to CALS (for SWR display) or 
CALP (for power meter).

--
72/73 de Ingo, DK3RED - Don't forget: the fun is the power!

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[Elecraft] Re: Internal K2/K3 S-meter resolution for computer recording?

[Ingo Meyer (DK3RED)]

Goðan daginn Kristinn,


Just to press this further, however - I presume the K2 is limited by only
providing those 10 discrete steps of signal strength?  ...


Thats right, but I think that this information is enough for the RST rapport. If a 
LED flickers (because the SWR is not exactly a discrete value) you can send i.e. 
RST 45/69 or QSA 5/6.


Sælir!
--
72/73 de Ingo, DK3RED - Don't forget: the fun is the power!

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[Elecraft] Re: which do you prefer?

[Ingo Meyer (DK3RED)]

Hello John,


If you prefer CW which filter would you chose?
 the KDSP2 or the KAF2?. Thanks, John  KF7OM


The KAF2!!!
--
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Re: [Elecraft] New Clifton Laboratories Kit - Z100 LED CW Tuning Aid

[Ingo Meyer (DK3RED)]

Hello Jack,

I've added a web page describing the new Z100 at 
http://www.cliftonlaboratories.com/z100_tuning_aid.htm.


Looks like an advanced version of the Son of Zerobeat at
http://jacksonharbor.home.att.net/zerobeat.htm
from Jackson Harbor Press by Chuck Olson, WB9KZY. ;o)
--
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[Elecraft] Re: How about an Elecraft [K3] Bulletin Board?

[Ingo Meyer (DK3RED)]

Hello Wayne,

So I was wondering if you (Eric or Wayne) have ever considered an Eham 
type bulletin board where you had sections of interest as a means of 
communication and information?  This may be especially useful as your 
product line becomes more diverse, along with the interests of your 
customers.


Mike,

I can see your point, but I think the K3 energy will dissipate to a 
normal background level before we could even implement such a change. 
This has been our experience in the past. If the K3 is the exception, we 
could set up a Yahoo group for it.


Please don't do it! THIS is THE Elecraft list.
--
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[Elecraft] Re: AGC Modification to the K2

[Ingo Meyer (DK3RED)]

Hello Dave,

Because your host mail1.trinustech.com [207.229.33.167] don't accept mails from 
my address and send me an error 553, I try it via the list.


Please send me the AGC modification too. Thanks!

To all others: Sorry for the bandwidth.
--
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[Elecraft] Re: KBT2 non-original battery replacements?

[Ingo Meyer (DK3RED)]

Hello Sverre,


But that's the question, is a battery a battery? I can get a 2.6 Ah battery
with the same measurements for about $15.00 (NOK 90) from one vendor and I
can get another one for about $40.00 (NOK 260 - Asahi, Made in China). I
would guess that these batteries may have different life expectancies, but I
can live with that.


I bought also a battery (2.2 Ah Panasonic here) from a local dealer for the same
reason. ;o)



But, do I take a risk with my K2 if I install the cheaper battery - leakage,
explosion ..., i.e. what should I look for?


No, if you don't over charge the battery it will be very old in your K2. My
battery is now over 6 years. And it's young, fresh and in good condition.
--
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[Elecraft] Re: K2 Speaker not muting?

[Ingo Meyer (DK3RED)]

Hello Tom,

In the CQWW cw contest I operated with K9VV as VP2VVV with K2/100 and 
wire antenna. On Saturday afternoon while Fred was operating, I suddenly 
could hear the K2 receiver even though Fred was using a headset. We 
changed headsets and that did not mute the speaker. I vaguely remember 
reading on the reflector about this before. I went to the elecraft 
website and tried a search but to no avail.
Anybody got the solution? I find it hard to believe that the front panel 
jack could 'wear out' this quickly. I have only used the K2 in contests 
about 4 times and the headphones typically go in on Friday nite and stay 
there until Sunday evening. Otherwise the K2 sits in a Pelican case 
awaiting its' next adventure.


I have the same problem here with my K2 #01181 since 2 or 3 months. The rig is ongoing in 
use, with plug in and pull out the headphone all along. But I thing is not to be depending 
on the number of plug-ins and pull-outs. Maybe the spring steel inside the jack will be 
softer/lazier or the plastic material of the housing of the jack will lose it's softener 
and do not hold tight, so the contacts do no longer close. I have noticed, it is not the 
full sound intensity which I can hear with a pluged-in headphone from the speaker. As the 
only one solution I see is to change the jack itself.

--
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[Elecraft] Re: KAT2 question

[Ingo Meyer (DK3RED)]

Hello Alex,


Plaese help me with the KAF2-module in my K2.
How I can adjusting null in CALn for best result?


With your ears like the manual suggested. ;o)


Can I use analog multimeter for best result? How?


Yes, you can. Connect an analog multimeter on the AF output and adjust R1 
respectively R2
on the KAF2 module. A maximal signal must be your goal.

An alternative choice is to use the (freeware) software named Spectrogram. 
You will find
the software via the Elecraft Homepage on Tom Hammond's (N0SS) or also on my 
website.
Connect a computer with a sound card inside on the AF output. Now you can 
adjust R1
respectively R2 on the KAF2 module exactly. I use the software also to match 
the in the
manual suggested birdie at 7000 kHz with my CW sidetone.
--
72/73 de Ingo, DK3RED - Don't forget: the fun is the power!

   [EMAIL PROTECTED] - www.dk3red.homepage.t-online.de
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[Elecraft] Re: KAT2 relays (was: K2 Crystal Filter Alignment Questions)

[Ingo Meyer (DK3RED)]

Hello Jeff,


p.s.  Here's a trivia question to which I'm curious to know the answer:  Why
is it that the KAT2's relays chatter pleasantly when you turn the K2 on, but
make not a peep when you turn it off?


The relays are latch types and memory the last position without floating current. If you 
turn on your K2 the microprozessor switch all relays with the typical relay chatter in a 
start position. If you switch the K2 off the microprozessor going to sleep - no need to 
work with the relays.

--
72/73 de Ingo, DK3RED - Don't forget: the fun is the power!

   [EMAIL PROTECTED] - www.dk3red.homepage.t-online.de
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[Elecraft] Re: Battery power problems.

[Ingo Meyer (DK3RED)]

Hello Tom,

 I ran my K2 last weekend on a battery (from my backyard – fully
 charged 52 Ah. Gel cell), and everyone on the net (40 meter SSB)
 complained that the signal was distorted and just plain sounded very
 bad.  One person suggested that it was the 12 volts put out by the
 battery, rather than the typical 13.8 volts.  I brought out my power
 supply and everything worked fine.  I guess it was surprising that
 this radio, that I understood was for portable operation wouldn’t
 work well on battery power.  Has anyone else experienced this or is it
 unique to my radio?  This is a 4000 serial number.  I have on order
 the W4RRY battery booster.  By comparison, my FT-857 seems unaffected
 by 12 volts.  Tom W6EIJ 

I don't have newer any problem with my K2 at battery voltage lower than
12 volts. Sometime I work with my K2 (#01118) until the transceiver
beeps in my ears, because the voltage is under 11 volts or so.
--- 
72/73 de Ingo, DK3RED - Don't forget: the fun is the power!

   [EMAIL PROTECTED] - www.dk3red.homepage.t-online.de
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[Elecraft] Re: Binaural CW Reception

[Ingo Meyer (DK3RED)]

Hello Sverre,


It would be nice though to find a TDA3810 pseudo-stereo IC and build a
circuit around it as Benny, OH9NB, suggested a couple of days ago.


A (not the) source for the TDA3810 is Segor Electronics (www.segor.de) in 
Berlin/Germany. Type in TDA3810 in the upper left corner and mark nur Text and click 
on the button. I don't know if Segor Electronics send ICs outside Germany. Please ask 
the crew via [EMAIL PROTECTED] 1 IC for 2.50 Euro, 10 or more ICs for 2.00 Euro.

--
72/73 de Ingo, DK3RED - Don't forget: the fun is the power!

   [EMAIL PROTECTED] - www.dk3red.homepage.t-online.de
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[Elecraft] Re: Older Version of Spectrogram

[Ingo Meyer DK3RED]

Hello Gary,

 I recently experienced a hard drive meltdown, and seem to have lost the Spectrogram 
freeware version I had downloaded from another ham's web site that I learned about on this 
reflector.


 Could someone please let me know what that link is.

I think the last freeware version 5.1.7 of Spectrogram was placed anywhere on the Elecraft 
website or on Tom Hammond's (N0SS) site, but I can't found it yet. So try it with a 
download from my website.


http://www.dk3red.homepage.t-online.de/en/s11.htm#b1

P.S. Thanks again to Mr. Richard Horne, the creator of this program, who gave me the 
permission to put these version on my sites. The newest shareware version with more 
features is available on the web site of Visualization Software LLC.

--
72/73 de Ingo, DK3RED   Don't forget: the fun is the power!

   [EMAIL PROTECTED]   www.dk3red.homepage.t-online.de
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[Elecraft] Re: Internal battery life (clarification)

[Ingo Meyer DK3RED]

Hello Bill,

... So I am curious how long the battery generally 
lasts before going dead.


The time is dependent from your operating style, the installed option, the 
output power and from the style you wound the transformer for the internal 
K2 PA. I have not count the hours between charging periods. But its longer 
than I want to operate without a break. ;o)


The following is based of equal periods for transmitting and receiving, 
because i.e. I send my QTH info and receive the same info from the other 
station.


1 hour QSOs = 30 minutes RX + 30 minutes TX

If you use CW you don't transmit the whole 30 minutes, because there are 
spaces between the dits and dahs. The real ratio is about 1:1 while TX.


So the new formula is

1 hour QSOs = 45 minutes RX + 15 minutes TX

Now back to the K2. My K2 need 0.28 A while RX and 1.84 A while TX. The 
current is dependet from the installed options and more in your K2. Measure 
it with the internal meter!


45 minutes RX = 0.75 hours x 0.28 A = 0,21 A
15 minutes TX = 0.25 hours x 1.84 A = 0,46 A

   1 hour QSO   = 0.67 A

The internal battery contained 2.2 Ah so you can operate 2.2 Ah / 0.67 A = 
3.28 h (= 3 hours 17 minutes).


These period is valid only for hardcore QSOers. If you receive longer than 
you transmit, so the result will be greater.

--
72/73 de Ingo, DK3RED   Don't forget: the fun is the power!

   [EMAIL PROTECTED]   www.dk3red.homepage.t-online.de
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[Elecraft] Re: Internal battery life.

[Ingo Meyer DK3RED]

Hello Bill,

I was just wondering what kind of life expectency one can expect between 
charges on the internal battery kit.


I use the first battery in my K2 #01118 since July 2000 (more than 5 years)!

K2:
mode - CW only
output - 5 watts
note - diode and resistor from KBAT2 removed
   (see www.dk3red.homepage.t-online.de/en/s6.htm#trx6)

Charger:
- extern (www.dk3red.homepage.t-online.de/en/s7.htm#pwr3)
- float charging
- constant voltage = 13.8 volts
- maximal current = 330 mA (= 0.15 C)
--
72/73 de Ingo, DK3RED   Don't forget: the fun is the power!

   [EMAIL PROTECTED]   www.dk3red.homepage.t-online.de
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[Elecraft] Re: K2 battery switch

[Ingo Meyer DK3RED]

Hello Norm and Sverre,

in the mean time I have kicked my internet provider powerful in the 
(beep/censored) and have now (ooh surprise!) again access to my webspace. 
For more details about the modification of my K2 please click 
www.dk3red.homepage.t-online.de/en/s6.htm#trx6

--
72/73 de Ingo, DK3RED   Don't forget: the fun is the power!

   [EMAIL PROTECTED]   www.dk3red.homepage.t-online.de
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[Elecraft] Re: K2 battery switch

[Ingo Meyer DK3RED]

Hello Norm and Sverre,

THERE ARE switches with the same footprint and the same outfit like the
original one. I have found one here in Germany by Conrad Electronic.
Put the number 708330 in the input area named Artikelnr.-Suche on the top
of the main page by www.conrad.de and press enter.

Picture: www1.conrad.de/xl/7000_7999/7000/7080/7083/708330_BB_00_FB.EPS.jpg
Type: Marquardt 4021.0801

Think the supplier will also send you a DPDT to the USA, but the cost for
sh from Europe to USA are high. Norm, I think you will find also a DPDT in
your country. Maybe Radio Shack sells these ones.

I did something similar like Norm want to do. But I have bypassed the
polyswitch and not the in-line diode and the resistor. The diode and the
resistor are substituted totally in my K2 with a wire. You DON'T replace the
original SPDT for my modification.

I'm so sorry, but at the time I have some trouble with my internet provider,
so I have no access to my webspace. No, I have payed my bill (grin). I try
to describe my modification. Please read the posted mail (TNX Sverre) from
me and look at the K2 schematic. The both lowest pins on S1 (Power) have in
the original no contact to the rest of the circuit. The first wire goes from
the lowest pin on the left side of S1 to + on P3 (Aux). The second wire goes
from the lowest pin on the right side of S1 to the connection of C196 and
D10 (+ pin of J3 - the supply jack).
--
72/73 de Ingo, DK3RED   Don't forget: the fun is the power!

   [EMAIL PROTECTED]   www.dk3red.homepage.t-online.de (out of order)
 DL-QRP-AG   #824   www.dl-qrp-ag.de
  QRP ARCI #11295   www.qrparci.org
DARC #2360404   www.darc.de

Sverre Holm wrote:
Didn't DK3RED do something similar some time ago? 


Take a look at
http://www.ac6rm.net/mailarchive/html/elecraft-list/2002-06/msg00829.html.
He used instead the on-off switch of the K2 with its DPDT function to bypass
the in-line diode for charging of the internal battery when the K2 is turned
off. Unfortunately I cannot get his homepage to work right now so I cannot
find the details.

73

Sverre
LA3ZA
http://www.qslnet.de/la3za/
 



-Original Message-
Sent: 20. oktober 2005 02:17
Subject: [Elecraft] K2 battery switch

Greetings!

I am finishing up a new K2 with internal battery and would like to use a
DPDT switch in place of the supplied one so that I can either connect or
bypass the in-line diode and resistor in the battery wiring depending on
what power supply I am using.  Has anyone found a substitute DPDT switch
that matches the footprint of the stock one? Thanks

73,
N7NSD
Norm









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[Elecraft] Re: Need K2 Front panel scan

[Ingo Meyer DK3RED]

Hello Andrey,

 I am looking for a scan (JPG file would be perfect - 300 dpi will work
 the best for me) on the front panel of the K2.

www.elecraft.com
  - (left menu)
-  Manuals  Downloads
  - K2 High Resolution Drawing

or direct

www.elecraft.com/images/k2%20drawing%20x2.jpg
--
72/73 de Ingo, DK3RED   Don't forget: the fun is the power!

   [EMAIL PROTECTED]   www.dk3red.homepage.t-online.de
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[Elecraft] Re: Building Hints

[Ingo Meyer DK3RED]

Hello Alan,


... After building virtually all of the Elecraft product line

 =

I may have an answer that will make the step much easier.


Sorry, but try to build also some kits in practice. I have enough from
theoretician who know all and can less.

Hello to all ohters,

Send your questions to THIS list, because it is THE mailing list for 
Elecraft kit builder.

--
72/73 de Ingo, DK3RED   Don't forget: the fun is the power!

   [EMAIL PROTECTED]   www.dk3red.homepage.t-online.de
 DL-QRP-AG   #824   www.dl-qrp-ag.de
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[Elecraft] Re: long shot the second

[Ingo Meyer DK3RED]

Hello Slater,

Wouldn't you know it.  Five minutes after posting the other message, I 
figured it out.


What was the solution?
--
72/73 de Ingo, DK3RED   Don't forget: the fun is the power!

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[Elecraft] Re: Contest win using K2

[Ingo Meyer DK3RED]

 The Summerland Amateur Radio Club from Lismore has won the all-band
 all-mode multi-operator section of the Australia-wide John Moyle Field
 Day contest. The HF rig used was Elecraft K2 #3666 with Tokyo Hi-Power
 HL-200B amplifier.

Mmh, head scratching who has won the contest? The K2 or the PA. ;o))
--
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[Elecraft] Re: K2 BAT

[Ingo Meyer DK3RED]

Hello Dave,


I was wondering how does everyone keep there elecraft battery in the k2
charged up and ready to go?


yes, I do it with an accumulator charger (output 13.8 volts). But I have 
modified my K2 #01118 a little bit. Please see at

www.dk3red.homepage.t-online.de/en/s6.htm#trx6
and read the additional suggestion by Bart PA3GYU in my guestbook
www.dk3red.homepage.t-online.de/en/s13.htm
dated 25th August 2004.

There are no problems with the battery since my K2 is on air.
--
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[Elecraft] Re: It Works, but Not Inst Message

[Ingo Meyer DK3RED]

Hello Christian,

The issue, though, is that when I tap the menu button or the display 
button, not inst will flash for a second before the menu is displayed. 
All tests checked out after power up, except the keyer, since I don't 
have a paddle. Let me add that at this point, I am missing one 
pushbutton switch, S16, which I am waiting on a replacement for.


An not installed pushbutton is as good as an not switched pushbutton. No 
problems with it.


First of all check the right orientation of the resistor pack RP1. I had
installed RP1 in the wrong direction and the results was very strange and 
currios.


Then check the orientation of RP1 again. No, its no joke. Please do it.

Then check pins 3, 4 and 5 of the resistor pack RP1 on bottom of the PCB and
(!) on the top of the PCB. I think there is a solder bridge from pin 4 to 3
and 5. Pin 3 is the DISPLAY and pin 5 is the MENU and in the middle pin
4 is the ANT 1/2 which is not installed in your K2 at the time. U2 is an
multiplex IC, so sometimes the bridge suggested the MCU U6 a switched on
display button or sometimes a switched on menue button (to be governed by
the U2 multiplexer status) or all seems to be OK.
--
72/73 de Ingo, DK3RED   Don't forget: the fun is the power!

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[Elecraft] Re: store and scan

[Ingo Meyer DK3RED]

Hello Rolf,


Anyone , I can't get my k2 to scan from 18068 to 18168 ?
it stops at 18127 ??

stored 18068 in mem 6 and 18168 in mem 7 ??


set VFO A to 18068 and VFO B to 18168 and store them in mem 6 or 7.
--
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[Elecraft] Re: Practical toroid winding question

[Ingo Meyer DK3RED]

Hello Mike,


a)  use the # of turns in the assembly instructions, ...


Yes, like more than 4500 other K2 builder too!


b)  change the number of turns, ...


No.
--
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[Elecraft] Re: Excellent exchange rate ...

[Ingo Meyer DK3RED]

Hello Eric,


Can anyone tell me if there has been a recent article on Elecraft
published in a European ham radio magazine that I may have
missed that could account for this?


1. The KX1 was published i.e. in the German ham radio magazin
   Funkamateur some month ago.
2. The English manual for the K2 is for some builder in the German
   speaking area a problem, so the QRPproject (www.qrpproject.de) has
   translated these one.
3. The support for the K2, K1 and KX1 by the QRPproject in
   Berlin/Germany with QRPeter DL2FI on the top is excellent.
4. Last but not least I think the publicity and practical knowledge of
   more than 4500 builder around the world is pushing the elecraft rigs.
--
72/73 de Ingo, DK3RED   Don't forget: the fun is the power!

   [EMAIL PROTECTED]   www.dk3red.homepage.t-online.de
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[Elecraft] Re: Mounting vertical antennas

[Ingo Meyer DK3RED]

Hello Per,

I live in an apartment building in a large city, and I have decided that 
basically the only realistic option (besides operating with stealthy 
wire antennas) is to mount some form of vertical HF antenna ...


I had the same situation in my apartment. So I solved the problem with a 
telescopic mast, which I can errect in a few minutes. The mast is attach with 
small part from the building store on the railing of my balcony. No need to 
drill a hole in any parts of the balcony and secure to attach. For more 
informations please go to www.dk3red.homepage.t-online.de/en/s6.htm#ant1 on my 
homepage.

--
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