Re: [Elecraft] Fire in the house li-ion

[Walter Underwood]

Lithium ion batteries which are in a completely controlled charging and 
discharging environment, like in a phone or laptop, are generally safe. Well, 
except for the Samsung Galaxy Note S7. The best guess I’ve heard about that 
problem is that the various functions were so complicated and overlapping that 
they could overload the battery and overheat it.

Once you take a lithium ion battery out of a controlled environment, you are on 
your own. You’ll probably be OK, but if anything goes wrong, it could go very 
wrong.

So if you have an Elecraft KX2, I strongly recommend that you stick with an 
Elecraft battery and an Elecraft charger.

wunder
K6WRU
Walter Underwood
CM87wj
http://observer.wunderwood.org/ (my blog)

> On May 18, 2017, at 10:15 PM, Richard Fjeld  wrote:
> 
> As Kevin, K4VD wrote:
> “Maybe I missed this in the thread but can someone cite an authoritative and
> maybe trustworthy source for Lithium battery safety? So many old spouse
> tales seem to have grown up around this technology.”
> 
> And my answer is:
> Yes, I agree.  The only things I have picked up on, happened while 
> researching the promised Graphene battery.  It was said that Lithium type 
> batteries destroy from charging them with too much current, or from 
> subjecting them to physical shock. (Some have mentioned shock testing)  I try 
> to keep my chargers down to a 50-70 mA rating.
> 
> Considering the millions of devices with Li-on batteries, the odds of a fire 
> must be slim. Still, it can’t hurt to take precaution when charging them.
> I salvaged a metal pot with a handle so I can pick it up safely and carry it 
> outside if needed.  I think I can contain a fire if they don’t explode.
> 
> And thanks for the info both pro and con about the protective bags. Anyone 
> have a Tesla?
> 
> Rich, n0ce
> 
> 
> 
> __
> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:Elecraft@mailman.qth.net
> 
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html
> Message delivered to wun...@wunderwood.org

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

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

Re: [Elecraft] Fire in the house li-ion

[Richard Fjeld]

As Kevin, K4VD wrote:
“Maybe I missed this in the thread but can someone cite an authoritative and
maybe trustworthy source for Lithium battery safety? So many old spouse
tales seem to have grown up around this technology.”

And my answer is:
Yes, I agree.  The only things I have picked up on, happened while researching 
the promised Graphene battery.  It was said that Lithium type batteries destroy 
from charging them with too much current, or from subjecting them to physical 
shock. (Some have mentioned shock testing)  I try to keep my chargers down to a 
50-70 mA rating.

Considering the millions of devices with Li-on batteries, the odds of a fire 
must be slim. Still, it can’t hurt to take precaution when charging them.I 
salvaged a metal pot with a handle so I can pick it up safely and carry it 
outside if needed.  I think I can contain a fire if they don’t explode.

And thanks for the info both pro and con about the protective bags. Anyone have 
a Tesla?

Rich, n0ce



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

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

Re: [Elecraft] HF Antennas for KX3 Hand-Held/Hiking/Portable?

[Don Sanders]

I haven't tried this with the MFJ whips. I used to have a 20 meter ham
stick and by removing the metal whip the antenna resonated near 11 meters.
By installing separate metal whips for 17 and 15 I had a 3 band whip
antenna. So someone with a MFJ wjip may want to try this idea.

Dr. Don W4BWS

On Thu, May 18, 2017 at 10:10 PM, Jan Timmers  wrote:

> Some people have suggested this item from MFJ will do the trick.
>
> http://www.mfjenterprises.com/Product.php?productid=MFJ-1620T is for 20m.
> They also have another for 17m.
>
> On Thu, May 18, 2017 at 3:41 PM, Chas H <2mysys...@gmail.com> wrote:
>
> > I am looking for HF antenna options (primarily 17m + 20m) that will work
> > for hand-held portable while hiking with my KX3.  Preferable something
> that
> > will connect directly to the BNC jack on the side of the radio.  I'll be
> > hiking for 6 days in Glacier National Park and looking for practical
> > antennas to use.
> >
> > What are you using when you go HF hand-held?  Do you drag a counterpoise
> as
> > well?
> >
> > Thanks + 73,
> > Charlie de K0CKH
> > __
> > Elecraft mailing list
> > Home: http://mailman.qth.net/mailman/listinfo/elecraft
> > Help: http://mailman.qth.net/mmfaq.htm
> > Post: mailto:Elecraft@mailman.qth.net
> >
> > This list hosted by: http://www.qsl.net
> > Please help support this email list: http://www.qsl.net/donate.html
> > Message delivered to jau...@gmail.com
> >
>
>
>
> --
> Regards;
> John Timmers
> __
> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:Elecraft@mailman.qth.net
>
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html
> Message delivered to w4b...@gmail.com
>
__
Elecraft mailing list
Home: http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:Elecraft@mailman.qth.net

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

Re: [Elecraft] OT -- Ham radio operators contribute to protecting the Earth

[Ron D'Eau Claire]

Very interesting Phil thanks, but I believe there were far more VLF and MF
transmissions back in the time period from 1900 to 1940 than there are
today. 

For a long time it was believed that longer wavelengths (lower frequencies)
were essential for long-range communications. That is why shipboard
communications and point-to-point communications were focused on the
frequencies below 450 kHz - the lower the better. 

The AM "standard broadcast band" was established in about 550 to 1600 kHz
believing that those frequencies were only useful for short ranges up to a
few tens of miles, which is what the commercial broadcast station
allocations were designed to serve. 

Of course us Hams were given use of the shorter wavelengths (200 meters or
less in wavelengths - or about 1600 kHz or above in frequency) because it
was "obvious" someone would be lucky to communicate across a small town with
them, if that far. 

And then that all changed when a few Hams broke away from QRMing each other
on 200 meters and started exploring the shorter wavelengths. 

Now there is comparatively little going on down there. As the article
mentions, submarine comms are at VLF. Low powered aircraft beacons, some GPS
correction beacons (also low powered) and some Ham activity under the
special licenses. I haven't listened down there in a while but that's all
that comes to mind. 

So the source of the "bubble" mentioned in the article seems a mystery -- or
is it something that has been there since Marconi launched the radio
business and is now just being noticed? 

73, Ron AC7AC 

-Original Message-
From: Elecraft [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Phil
Hystad
Sent: Thursday, May 18, 2017 5:23 PM
To: elecraft
Subject: [Elecraft] OT -- Ham radio operators contribute to protecting the
Earth

I thought some other ham operators might like to read how they are helping
to build a protective bubble around the Earth.

https://www.theatlantic.com/science/archive/2017/05/wow-guys/527193/

73, phil, K7PEH

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

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

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

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

Re: [Elecraft] OT -- Ham radio operators contribute to protecting the Earth

[Mike Morrow]

That's true...VLF!  Those of us who served on ballistic missile submarines were 
part of the motivation for those megawatt-output coast stations around 15 kHz.

But let's not forget all the localized radiation on VLF coming from hundreds of 
millions of TVs with horizontal sweep tubes and power transistors from pre-21st 
century non-HD TV sets.  It all adds up...with nary a ham station part of it.  
:-)

Mike / KK5F

-Original Message-
>From: John Marvin 
>Sent: May 18, 2017 7:44 PM
>
>Perhaps you are confusing VLF with VHF? The article talks about VLF 
>transmissions. VLF is 3-30 Khz. There are no ham bands in that range.
>
>73,
>
>John
>AC0ZG
>
>On 5/18/2017 6:23 PM, Phil Hystad wrote:
>> I thought some other ham operators might like to read how they are helping
>> to build a protective bubble around the Earth.
>>
>> https://www.theatlantic.com/science/archive/2017/05/wow-guys/527193/
>>
>> 73, phil, K7PEH
__
Elecraft mailing list
Home: http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:Elecraft@mailman.qth.net

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

Re: [Elecraft] HF Antennas for KX3 Hand-Held/Hiking/Portable?

[GRANT YOUNGMAN]

The 18xxt series whips have BNC connectors and can go right on the radio.  
They’re also smaller (13” collapsed) and easier to pack for hiking.  


> On May 18, 2017, at 10:10 PM, Jan Timmers  wrote:
> 
> Some people have suggested this item from MFJ will do the trick.
> 
> http://www.mfjenterprises.com/Product.php?productid=MFJ-1620T is for 20m.
> They also have another for 17m.
> 
> On Thu, May 18, 2017 at 3:41 PM, Chas H <2mysys...@gmail.com> wrote:
> 
>> I am looking for HF antenna options (primarily 17m + 20m) that will work
>> for hand-held portable while hiking with my KX3.  Preferable something that
>> will connect directly to the BNC jack on the side of the radio.  I'll be
>> hiking for 6 days in Glacier National Park and looking for practical
>> antennas to use.
>> 

Grant NQ5T
K3 #2091, KX3 #8342



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

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

Re: [Elecraft] More data on my K2 problem

[Don Wilhelm]

Woodie,
In addition to your 15 and 17 meter problem (see my prior email), I have 
the following questions.


Is that the maximum or minimum frequency?
A few K2s need additional range for the capacitors around the crystal.
If the frequency is too high, it is easy to lower it with a parallel low 
value capacitor (try 10pF).
If that drives it in the wrong direction, you will need to reduce the 
value of C21 - try 27pF and if that is not enough try 22pF.


Be certain your frequency counter is truly accurate.  I can do that 
measurement with my frequency counter, but it is accurate to 10exp-9.
If you have any doubt about that counter accuracy, use the N6KR method 
when tuned to the highest frequency WWV signal that you can receive. 
Details on this method can be seen on my webpage www.w3fpr.com - article 
on K2 frequency calibration.


73,
Don W3FPR

On 5/18/2017 8:28 PM, woody wrote:

Took more measurements, Ref the K2 manual (Rev C) Pg 57, 58...
-
_4 MHz Osc Cal_:
Setting C22 with well calibrated outboard counter, the counter at TP3
indicated 12,096.62.  As close as C22 would adjust was a K2 display of
12,095.89.

_PLL Ref Osc Range Test_
Ref High Freq = 12.104.37
Ref Low Freq = 12.08237

_VCO Test
Voltage readings_ (left end R30)  Note (*) that in the table below the
band progression still has  15M and 18M progression *reversed* (see
earlier, below).  Also note ZERO volts at 18000 !

3500 - 2.06 volts
7000 - 2.98
1 - 5.13
14000 - 4.27
* 21000 - 8.22
* 18000 - ZERO (0.02v)
24.800 - 6.82
28000 - 4.74

Hope this is some help.   Thanks again,  Woody
Earlier email is below

On 5/18/2017 20:18, woody wrote:
Hello,

I have an elderly K2 (S/N 02600)  that had been working well. After all
these years, it was about 200 Hz off frequency so I proceeded to do an
alignment.  Got it pretty close, but the trim cap (C22) would not pull
quite on freq.  Close enough maybe...

Proceeded with band by band alignment / peaking.  All bands peaked as
expected except 17M, (maybe 15M too)   No change when adjusting C32
& C34  for 17M.

More symptoms:
* Stepping up the bands is normal until going from 20M to 17M. Then:
17M and 15M are reversed from normal progression.
e.g:  160, 80, 40, 30, 20, _*15, 17*_, 12, 10
* System Rx noise is significantly reduced on 17 & 15.
* In CW mode, the Tx freq is OK on all but 15 & 17.

The display reads as expected on 15 & 17 - as VFO is adjusted. But, my
freq counter indicates the actual Tx output freq is different and does
not change when the display freq is changed:
Example...  For 17, the Display indicates 18.120, the output is on
18.766+-.  For 15, the display indicates 21.265, the output is
21.434+-.  It is also receiving on the (actual but wrong) Tx freqs.
Changing the VFO changes the display but does not change the actual TX
or Rx frequency which seems to always be the same.

I am stumped!!!   Can you offer any suggestions as to what might be
happening???

Thanks,
Woody, KZ4AK   (Formerly WB4QXE)


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

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

Re: [Elecraft] HF Antennas for KX3 Hand-Held/Hiking/Portable?

[Jan Timmers]

Some people have suggested this item from MFJ will do the trick.

http://www.mfjenterprises.com/Product.php?productid=MFJ-1620T is for 20m.
They also have another for 17m.

On Thu, May 18, 2017 at 3:41 PM, Chas H <2mysys...@gmail.com> wrote:

> I am looking for HF antenna options (primarily 17m + 20m) that will work
> for hand-held portable while hiking with my KX3.  Preferable something that
> will connect directly to the BNC jack on the side of the radio.  I'll be
> hiking for 6 days in Glacier National Park and looking for practical
> antennas to use.
>
> What are you using when you go HF hand-held?  Do you drag a counterpoise as
> well?
>
> Thanks + 73,
> Charlie de K0CKH
> __
> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:Elecraft@mailman.qth.net
>
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html
> Message delivered to jau...@gmail.com
>



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

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

Re: [Elecraft] OT -- Ham radio operators contribute to protecting the Earth

[Phil Hystad]

No confusion — I just thought it was interesting and thought others would be 
interested.


> On May 18, 2017, at 5:44 PM, John Marvin  wrote:
> 
> Perhaps you are confusing VLF with VHF? The article talks about VLF 
> transmissions. VLF is 3-30 Khz. There are no ham bands in that range.
> 
> 73,
> 
> John
> AC0ZG
> 
> On 5/18/2017 6:23 PM, Phil Hystad wrote:
>> I thought some other ham operators might like to read how they are helping
>> to build a protective bubble around the Earth.
>> 
>> https://www.theatlantic.com/science/archive/2017/05/wow-guys/527193/
>> 
>> 73, phil, K7PEH
>> 
>> __
>> Elecraft mailing list
>> Home: http://mailman.qth.net/mailman/listinfo/elecraft
>> Help: http://mailman.qth.net/mmfaq.htm
>> Post: mailto:Elecraft@mailman.qth.net
>> 
>> This list hosted by: http://www.qsl.net
>> Please help support this email list: http://www.qsl.net/donate.html
>> Message delivered to jm...@themarvins.org
> 
> __
> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:Elecraft@mailman.qth.net
> 
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html
> Message delivered to phys...@mac.com

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

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

Re: [Elecraft] K2 Trouble - Help?

[Don Wilhelm]

Woodie,

You have apparently dialed the VFO from one band to another on 17m and 
15m.  The K2 VFO will not follow that much outside the ham bands (even 
thought the VFO display will change).


The fix is easy - do a Direct Frequency Entry to a frequency within the 
ham band for both bands.
Then re-do the bandpass filter alignment for those 2 bands - 15 meters 
first, and then 17 meters.


73,
Don W3FPR

On 5/18/2017 4:51 PM, woody wrote:



I have an elderly K2 (S/N 02600)  that had been working well. After all
these years, it was about 200 Hz off frequency so I proceeded to do an
alignment.  Got it pretty close, but the trim cap (C22) would not pull
quite on freq.  Close enough maybe...

Proceeded with band by band alignment / peaking.  All bands peaked as
expected except 17M, (maybe 15M too)   No change when adjusting C32
& C34  for 17M.

More symptoms:
* Stepping up the bands is normal until going from 20M to 17M. Then:
17M and 15M are reversed from normal progression.
e.g:  160, 80, 40, 30, 20, _*15, 17*_, 12, 10
* System Rx noise is significantly reduced on 17 & 15.
* In CW mode, the Tx freq is OK on all but 15 & 17.

The display reads as expected on 15 & 17 - as VFO is adjusted.   But, my
freq counter indicates the actual Tx output freq is different and does
not change when the display freq is changed:
Example...  For 17, the Display indicates 18.120, the output is on
18.766+-.  For 15, the display indicates 21.265, the output is
21.434+-.  It is also receiving on the (actual but wrong) Tx freqs.
Changing the VFO changes the display but does not change the actual TX
or Rx frequency which seems to always be the same.

I am stumped!!!   Can you offer any suggestions as to what might be
happening???

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

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

Re: [Elecraft] OT -- Ham radio operators contribute to protecting the Earth

[John Marvin]

Perhaps you are confusing VLF with VHF? The article talks about VLF 
transmissions. VLF is 3-30 Khz. There are no ham bands in that range.


73,

John
AC0ZG

On 5/18/2017 6:23 PM, Phil Hystad wrote:

I thought some other ham operators might like to read how they are helping
to build a protective bubble around the Earth.

https://www.theatlantic.com/science/archive/2017/05/wow-guys/527193/

73, phil, K7PEH

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

This list hosted by: http://www.qsl.net
Please help support this email list: http://www.qsl.net/donate.html
Message delivered to jm...@themarvins.org


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

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

[Elecraft] More data on my K2 problem

[woody]

Took more measurements, Ref the K2 manual (Rev C) Pg 57, 58...
-
_4 MHz Osc Cal_:
Setting C22 with well calibrated outboard counter, the counter at TP3 
indicated 12,096.62.  As close as C22 would adjust was a K2 display of 
12,095.89.


_PLL Ref Osc Range Test_
Ref High Freq = 12.104.37
Ref Low Freq = 12.08237

_VCO Test
Voltage readings_ (left end R30)  Note (*) that in the table below the 
band progression still has  15M and 18M progression *reversed* (see 
earlier, below).  Also note ZERO volts at 18000 !


3500 - 2.06 volts
7000 - 2.98
1 - 5.13
14000 - 4.27
* 21000 - 8.22
* 18000 - ZERO (0.02v)
24.800 - 6.82
28000 - 4.74

Hope this is some help.   Thanks again,  Woody
Earlier email is below

On 5/18/2017 20:18, woody wrote:
Hello,

I have an elderly K2 (S/N 02600)  that had been working well. After all 
these years, it was about 200 Hz off frequency so I proceeded to do an 
alignment.  Got it pretty close, but the trim cap (C22) would not pull 
quite on freq.  Close enough maybe...


Proceeded with band by band alignment / peaking.  All bands peaked as 
expected except 17M, (maybe 15M too)   No change when adjusting C32 
& C34  for 17M.


More symptoms:
* Stepping up the bands is normal until going from 20M to 17M. Then:  
17M and 15M are reversed from normal progression.

e.g:  160, 80, 40, 30, 20, _*15, 17*_, 12, 10
* System Rx noise is significantly reduced on 17 & 15.
* In CW mode, the Tx freq is OK on all but 15 & 17.

The display reads as expected on 15 & 17 - as VFO is adjusted. But, my 
freq counter indicates the actual Tx output freq is different and does 
not change when the display freq is changed:
Example...  For 17, the Display indicates 18.120, the output is on 
18.766+-.  For 15, the display indicates 21.265, the output is 
21.434+-.  It is also receiving on the (actual but wrong) Tx freqs.  
Changing the VFO changes the display but does not change the actual TX 
or Rx frequency which seems to always be the same.


I am stumped!!!   Can you offer any suggestions as to what might be 
happening???


Thanks,
Woody, KZ4AK   (Formerly WB4QXE)

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

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

[Elecraft] OT -- Ham radio operators contribute to protecting the Earth

[Phil Hystad]

I thought some other ham operators might like to read how they are helping
to build a protective bubble around the Earth.

https://www.theatlantic.com/science/archive/2017/05/wow-guys/527193/

73, phil, K7PEH

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

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

Re: [Elecraft] dBV reading on Kx3

[Walter Underwood]

To expand on Lyle’s correct answer, the dBV reading is designed to be used as a 
relative measure. Read the description on page 22 of the KX3 manual.

http://www.elecraft.com/manual/E740163%20KX3%20Owner's%20man%20Rev%20C5.pdf 


I think it is really cool that Elecraft documents these internal receiver test 
points. I’m sure they exist in other radios, but they are undocumented, 
factory-only readouts. Does any other rig display PA temp, let alone oscillator 
temp?

Walter Underwood
wun...@wunderwood.org
http://observer.wunderwood.org/  (my blog)


> On May 18, 2017, at 3:43 PM, Lyle Johnson  wrote:
> 
> Nothing meaningful.
> 
> First, read AFV and for a couple of readings to set the reference. Then go to 
> dBV.  dBV will then show you the difference in dB between the current signal 
> and the reference.  On a dummy load it'll bobble around a low value since it 
> is just thermal noise and not a signal you are measuring.
> 
> 73,
> 
> Lyle KK7P
> 
> 
> On 5/18/17 3:37 PM, John Lally wrote:
>> What should the dBV reading on the kx3 when it is connected to a dummy load,
>> the agc is off, and no preamp?
> 
> __
> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:Elecraft@mailman.qth.net
> 
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html
> Message delivered to wun...@wunderwood.org

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

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

Re: [Elecraft] dBV reading on Kx3

[Lyle Johnson]

Nothing meaningful.

First, read AFV and for a couple of readings to set the reference. Then 
go to dBV.  dBV will then show you the difference in dB between the 
current signal and the reference.  On a dummy load it'll bobble around a 
low value since it is just thermal noise and not a signal you are measuring.


73,

Lyle KK7P


On 5/18/17 3:37 PM, John Lally wrote:

What should the dBV reading on the kx3 when it is connected to a dummy load,
the agc is off, and no preamp?


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

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

[Elecraft] HF Antennas for KX3 Hand-Held/Hiking/Portable?

[Chas H]

I am looking for HF antenna options (primarily 17m + 20m) that will work
for hand-held portable while hiking with my KX3.  Preferable something that
will connect directly to the BNC jack on the side of the radio.  I'll be
hiking for 6 days in Glacier National Park and looking for practical
antennas to use.

What are you using when you go HF hand-held?  Do you drag a counterpoise as
well?

Thanks + 73,
Charlie de K0CKH
__
Elecraft mailing list
Home: http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:Elecraft@mailman.qth.net

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

[Elecraft] dBV reading on Kx3

[John Lally]

What should the dBV reading on the kx3 when it is connected to a dummy load,
the agc is off, and no preamp?

 

Mine shows +68.4 dBV

 

John

W7JJL

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

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

Re: [Elecraft] Fire in the house li-ion

[Bill W4ZV]

Grant Youngman-2 wrote
> Maybe … there are a lot of YouTube videos that show this type of bag being
> totally destroyed by the contained batteries, flames shooting out in
> spectacular fashion, etc.
> 
> One guy in a video went so far as to build a “containment vessel” of
> concrete blocks and cement board for a lid.  IMHO, if you have to go to
> these extremes to safely charge a battery, you have to question whether
> you really want to use those batteries :-)

LiPO's energy density (mAh/ounce) is why they're popular for powering
helicopters.  This website has excellent knowledge that anyone using them
should be aware of.  Not to say there aren't some Darwin Award candidates
using them.  ;-)  I've never had any problems but I follow charging, care
and storage recommendations religiously.

http://www.rchelisite.com/lipo_battery_charging_and_safety_guide.php

73,  Bill  W4ZV






--
View this message in context: 
http://elecraft.365791.n2.nabble.com/Fire-in-the-house-li-ion-tp7630779p7630813.html
Sent from the Elecraft mailing list archive at Nabble.com.
__
Elecraft mailing list
Home: http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:Elecraft@mailman.qth.net

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

Re: [Elecraft] Fire in the house li-ion

[Ron D'Eau Claire]

Ouch, Fred!  

One of the standard airline emergency procedures for a smoking/burning/fizzing 
phone or other personal electronics is to submerge it in water or wrap wet 
towels around it to reduce the temperature and keep it from igniting nearby 
flammable materials. 

It's my understanding that the weakness is more mechanical than chemical. You 
may know that the insulation within modern Li-Poly (and similar) battery cells 
is in the order of a few molecules thick. If you could see the insulating layer 
with your naked eye, such an insulator next to a human hair would have the hair 
looking like a mountain range by comparison. 

Once one insulator is breached for any reason, the heat released is usually 
sufficient to cause other inter-cell insulators in the pack to breach in a 
cascading effect that releases all the energy within a few seconds, hence the 
heat and if anything even slightly flammable is near it, flames, smoke and 
gasses.

It all comes down to the care with which the battery was assembled and tested, 
and the care with which it is used - not overcharging it, not subjecting the 
battery to excessive shock, etc.

While I have some of those batteries in my cameras, personal electronics, etc., 
they are never stored or charged near anything won't burst into flames even if 
subjected to molten iron for half a minute or more. 

A good friend often describes cellular phones as a 'great technology that 
ALMOST works'. I put modern high-energy capacity batteries in the same 
category. 

73, Ron AC7AC





-Original Message-
From: Elecraft [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Fred 
Jensen
Sent: Thursday, May 18, 2017 11:05 AM
To: elecraft@mailman.qth.net
Subject: Re: [Elecraft] Fire in the house li-ion

I was using a tiny Li-Poly pack about the size of a small matchbox that I got 
from the local RC model store with my KX1 when it began to smoke.  
Fortunately,I had it on a pigtail, was out on the deck in a Spartan Sprint, and 
could unplug it and fling it over the railing to the gravel driveway.

There were no flames or major explosions, but there were a lot of sparks and 
quite a bit of smoke for such a small package.  The pyrotechnic display went on 
for perhaps 40-50 seconds, followed by some low-key fizzing and popping.  It 
left a burned mark in the gravel when it was cool. NOTE: This happened while 
discharging the battery, and I wasn't transmitting at the moment.

I struggled through required Chemistry in college, but I did learn enough about 
that particular column in the Periodic Table to avoid getting the hose. [:-)

I have always charged all of my lithium-ish batteries outside from a solar 
panelso they contain only green and no brown electronsfor events where that 
matters. I usually put the battery in a metal coffee can. 
Ibelieve, but do not know for sure, that LiFePO4 chemistry is quite a bit more 
stable than others.

73,

Fred ("Skip") K6DGW
Sparks NV USA
Washoe County DM09dn


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

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

Re: [Elecraft] Fire in the house li-ion

[GRANT YOUNGMAN]

Maybe … there are a lot of YouTube videos that show this type of bag being 
totally destroyed by the contained batteries, flames shooting out in 
spectacular fashion, etc.

One guy in a video went so far as to build a “containment vessel” of concrete 
blocks and cement board for a lid.  IMHO, if you have to go to these extremes 
to safely charge a battery, you have to question whether you really want to use 
those batteries :-)


> http://www.ebay.com/itm/Fireproof-RC-Lipo-Battery-Safe-Bag-Sleeve-Lipo-Guard-Charge-Storage-bag-9-x11-8-/321816396647?hash=item4aedc08367:g:2UsAAOSwPhdVA5Jj

Grant NQ5T
K3 #2091, KX3 #8342



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

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

[Elecraft] K3 NEW BETA FIRMWARE AVAILABLE !

[glcazz...@alice.it]

I just downloaded from  ftp://ftp.elecraft.com/K3/firmware/beta the new 
beta firmware 5.60 and installed it on my K3S.As usually all worked very well 
immediately.Great Elecraft, thanks Wayne  Eric!Ian IK4EWX
__
Elecraft mailing list
Home: http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:Elecraft@mailman.qth.net

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

Re: [Elecraft] Fire in the house li-ion

[Bill W4ZV]

N0CE wrote:

/"I’d like to know more about the bag someone mentioned"/

744 hits for "fireproof charging bag lipo":

http://www.ebay.com/sch/i.html?_odkw=fireproof+charging+bag&_osacat=0&_from=R40&_trksid=p2045573.m570.l1313.TR0.TRC0.H0.Xfireproof+charging+bag+lipo.TRS1&_nkw=fireproof+charging+bag+lipo&_sacat=0

This incident is a really good reminder for all of us!  When I got several
LiPO batteries and a charger several years ago, I also got a bag like this:

http://www.ebay.com/itm/Fireproof-RC-Lipo-Battery-Safe-Bag-Sleeve-Lipo-Guard-Charge-Storage-bag-9-x11-8-/321816396647?hash=item4aedc08367:g:2UsAAOSwPhdVA5Jj

I always charge outside our house with the bag sitting on concrete or a
paving stone.  I also carefully inspect my LiPOs for swelling which
indicates problems.  Better safe than sorry!

73,  Bill  W4ZV  



--
View this message in context: 
http://elecraft.365791.n2.nabble.com/Fire-in-the-house-li-ion-tp7630779p7630810.html
Sent from the Elecraft mailing list archive at Nabble.com.
__
Elecraft mailing list
Home: http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:Elecraft@mailman.qth.net

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

[Elecraft] K2 Trouble - Help?

[woody]

I sent the note below to support, but thought I would also post here.  
It has been working fine for years.   Opened the case to do an alignment 
and developed a problem.  Anyone on the reflector have a suggestion?



I have an elderly K2 (S/N 02600)  that had been working well. After all 
these years, it was about 200 Hz off frequency so I proceeded to do an 
alignment.  Got it pretty close, but the trim cap (C22) would not pull 
quite on freq.  Close enough maybe...


Proceeded with band by band alignment / peaking.  All bands peaked as 
expected except 17M, (maybe 15M too)   No change when adjusting C32 
& C34  for 17M.


More symptoms:
* Stepping up the bands is normal until going from 20M to 17M. Then:  
17M and 15M are reversed from normal progression.

e.g:  160, 80, 40, 30, 20, _*15, 17*_, 12, 10
* System Rx noise is significantly reduced on 17 & 15.
* In CW mode, the Tx freq is OK on all but 15 & 17.

The display reads as expected on 15 & 17 - as VFO is adjusted.   But, my 
freq counter indicates the actual Tx output freq is different and does 
not change when the display freq is changed:
Example...  For 17, the Display indicates 18.120, the output is on 
18.766+-.  For 15, the display indicates 21.265, the output is 
21.434+-.  It is also receiving on the (actual but wrong) Tx freqs.  
Changing the VFO changes the display but does not change the actual TX 
or Rx frequency which seems to always be the same.


I am stumped!!!   Can you offer any suggestions as to what might be 
happening???


Thanks,
Woody, KZ4AK   (Formerly WB4QXE)


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

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

Re: [Elecraft] Fire in the house li-ion

[Fred Jensen]

I was using a tiny Li-Poly pack about the size of a small matchbox that 
I got from the local RC model store with my KX1 when it began to smoke.  
Fortunately,I had it on a pigtail, was out on the deck in a Spartan 
Sprint, and could unplug it and fling it over the railing to the gravel 
driveway.


There were no flames or major explosions, but there were a lot of sparks 
and quite a bit of smoke for such a small package.  The pyrotechnic 
display went on for perhaps 40-50 seconds, followed by some low-key 
fizzing and popping.  It left a burned mark in the gravel when it was 
cool. NOTE: This happened while discharging the battery, and I wasn't 
transmitting at the moment.


I struggled through required Chemistry in college, but I did learn 
enough about that particular column in the Periodic Table to avoid 
getting the hose. [:-)


I have always charged all of my lithium-ish batteries outside from a 
solar panelso they contain only green and no brown electronsfor events 
where that matters. I usually put the battery in a metal coffee can. 
Ibelieve, but do not know for sure, that LiFePO4 chemistry is quite a 
bit more stable than others.


73,

Fred ("Skip") K6DGW
Sparks NV USA
Washoe County DM09dn

On 5/18/2017 10:27 AM, Chip Stratton wrote:

I took an old LiIon battery pack out into the back yard, and from a safe
distanc shot it with a pellet gun. In short order it began violently
venting gases and gray smoke, no doubt at a very high temperature. I didn't
see flame, but it was daylight and  maybe too bright. It made a big
impression on me. The battery pack was heavily charred by the episode. I
don't doubt they could explode, but I don't think that is the typical
scenario.

Chip AE5KA

On Thu, May 18, 2017 at 1:03 PM, Richard Fjeld  wrote:


Thank you very much for this advice.

I have often heard of fires due to Li-on batteries, but I have no idea of
the nature of the ‘fire’.  In other words, do  they burn, or do they
explode scattering ignited fragments.



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

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

Re: [Elecraft] Fire in the house li-ion

[Kevin - K4VD]

I'm not sure how much I would trust the temperature strap. Certainly not
enough to leave it charging unattended. These things, from what I see on
Youtube, start their reaction on the inside and violently explode. I am not
sure reading case temperatures would give warning soon enough.

Maybe I missed this in the thread but can someone cite an authoritative and
maybe trustworthy source for Lithium battery safety? So many old spouse
tales seem to have grown up around this technology.

Kev K4VD

On Thu, May 18, 2017 at 1:20 PM, kevino z  wrote:

> Was the fire a result of the lithium battery or leaving a charger
> unattended while charging? I am not sure, but the charger I have has a temp
> probe that gets strapped on the LiFePo4 battery pack, and monitors it
> during the charging (in addition to balanced charging).
> It is a sad event, that is for certain, and I am not criticizing...
>
>
> -Kevin (KK4YEL)
>
> No trees were killed in the sending of this message. However, a large
> number of electrons were terribly inconvenienced !
>
> > On May 18, 2017, at 12:05, Richard Fjeld  wrote:
> >
> > Thank you very much for this advice.
> >
> > I have often heard of fires due to Li-on batteries, but I have no idea
> of the nature of the ‘fire’.  In other words, do  they burn, or do they
> explode scattering ignited fragments.
> >
> > Knowing this would help in finding a safe container for charging them.
> It is not practical to always avoid leaving  them unattended while charging.
> >
> > I’d like to know more about the bag someone mentioned, and if cooling is
> a problem.
> >
> > Rich, n0ce
> >
> > From: William Lagerberg
> > Sent: Wednesday, May 17, 2017 4:30 PM
> > To: elecraft@mailman.qth.net
> > Subject: [Elecraft] Fire in the house li-ion
> >
> > Guys,
> >
> > I want to give you a advice, my shack it (was) in the basement
> (cellar??) I do all my thing for the hobby there.
> > A collega of mine asked me to take a look at two Go-Pro LI-Ion accu's
> because they where not loading anymore.
> >
> >
> > __
> > Elecraft mailing list
> > Home: http://mailman.qth.net/mailman/listinfo/elecraft
> > Help: http://mailman.qth.net/mmfaq.htm
> > Post: mailto:Elecraft@mailman.qth.net
> >
> > This list hosted by: http://www.qsl.net
> > Please help support this email list: http://www.qsl.net/donate.html
> > Message delivered to z_kev...@hotmail.com
> __
> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:Elecraft@mailman.qth.net
>
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html
> Message delivered to ke...@k4vd.net
>
__
Elecraft mailing list
Home: http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:Elecraft@mailman.qth.net

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

Re: [Elecraft] Fire in the house li-ion

[James Doty]

I crashed an r/c helicopter in one of the gyms at the school district
where I work.

The battery pack did burst in to flames as Jessie KB7PSG can attest.  It
was kind of scary.
__
Elecraft mailing list
Home: http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:Elecraft@mailman.qth.net

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

Re: [Elecraft] Fire in the house li-ion

[Chip Stratton]

I took an old LiIon battery pack out into the back yard, and from a safe
distanc shot it with a pellet gun. In short order it began violently
venting gases and gray smoke, no doubt at a very high temperature. I didn't
see flame, but it was daylight and  maybe too bright. It made a big
impression on me. The battery pack was heavily charred by the episode. I
don't doubt they could explode, but I don't think that is the typical
scenario.

Chip AE5KA

On Thu, May 18, 2017 at 1:03 PM, Richard Fjeld  wrote:

> Thank you very much for this advice.
>
> I have often heard of fires due to Li-on batteries, but I have no idea of
> the nature of the ‘fire’.  In other words, do  they burn, or do they
> explode scattering ignited fragments.
>
> Knowing this would help in finding a safe container for charging them.  It
> is not practical to always avoid leaving  them unattended while charging.
>
>  I’d like to know more about the bag someone mentioned, and if cooling is
> a problem.
>
> Rich, n0ce
>
> From: William Lagerberg
> Sent: Wednesday, May 17, 2017 4:30 PM
> To: elecraft@mailman.qth.net
> Subject: [Elecraft] Fire in the house li-ion
>
> Guys,
>
> I want to give you a advice, my shack it (was) in the basement (cellar??)
> I do all my thing for the hobby there.
> A collega of mine asked me to take a look at two Go-Pro LI-Ion accu's
> because they where not loading anymore.
>
>
> __
> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:Elecraft@mailman.qth.net
>
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html
> Message delivered to lightdazz...@gmail.com
>
__
Elecraft mailing list
Home: http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:Elecraft@mailman.qth.net

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

Re: [Elecraft] Fire in the house li-ion

[kevino z]

Was the fire a result of the lithium battery or leaving a charger unattended 
while charging? I am not sure, but the charger I have has a temp probe that 
gets strapped on the LiFePo4 battery pack, and monitors it during the charging 
(in addition to balanced charging).
It is a sad event, that is for certain, and I am not criticizing...


-Kevin (KK4YEL) 

No trees were killed in the sending of this message. However, a large number of 
electrons were terribly inconvenienced !

> On May 18, 2017, at 12:05, Richard Fjeld  wrote:
> 
> Thank you very much for this advice.
> 
> I have often heard of fires due to Li-on batteries, but I have no idea of the 
> nature of the ‘fire’.  In other words, do  they burn, or do they explode 
> scattering ignited fragments.
> 
> Knowing this would help in finding a safe container for charging them.  It is 
> not practical to always avoid leaving  them unattended while charging.
> 
> I’d like to know more about the bag someone mentioned, and if cooling is a 
> problem.
> 
> Rich, n0ce
> 
> From: William Lagerberg
> Sent: Wednesday, May 17, 2017 4:30 PM
> To: elecraft@mailman.qth.net
> Subject: [Elecraft] Fire in the house li-ion
> 
> Guys,
> 
> I want to give you a advice, my shack it (was) in the basement (cellar??) I 
> do all my thing for the hobby there.
> A collega of mine asked me to take a look at two Go-Pro LI-Ion accu's because 
> they where not loading anymore.
> 
> 
> __
> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:Elecraft@mailman.qth.net
> 
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html
> Message delivered to z_kev...@hotmail.com
__
Elecraft mailing list
Home: http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:Elecraft@mailman.qth.net

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

Re: [Elecraft] [KX3] New KX2 feature: Internal logging of outgoing CW/data text

[Peter Eijlander (PA0PJE)]

Nice feature, count me in too, Wayne!

Tnx es 72,
Peter

Op 2017-05-18 om 16:43 schreef rich hurd WC3T:

Hi Wayne,

You may add me to the "KX3 interest" pileup (or pile-on depending on your
perspective.   Hi hi.)

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

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

Re: [Elecraft] Fire in the house li-ion

[Richard Fjeld]

Thank you very much for this advice.

I have often heard of fires due to Li-on batteries, but I have no idea of the 
nature of the ‘fire’.  In other words, do  they burn, or do they explode 
scattering ignited fragments.

Knowing this would help in finding a safe container for charging them.  It is 
not practical to always avoid leaving  them unattended while charging.

 I’d like to know more about the bag someone mentioned, and if cooling is a 
problem.

Rich, n0ce

From: William Lagerberg
Sent: Wednesday, May 17, 2017 4:30 PM
To: elecraft@mailman.qth.net
Subject: [Elecraft] Fire in the house li-ion

Guys,

I want to give you a advice, my shack it (was) in the basement (cellar??) I do 
all my thing for the hobby there.
A collega of mine asked me to take a look at two Go-Pro LI-Ion accu's because 
they where not loading anymore.


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

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

Re: [Elecraft] Charging the KX2 battery with solar

[Terje Elde]

> On 18 May 2017, at 17:19, Christopher Hoover  wrote:
> 
> No reason you can't interface an external solar charge controller to the
> battery.

The specific charger that was linked to is for a different battery chemistry 
though (LiFePo4), which has a different voltage range. You'd never charge it 
fully with the linked charger.

Terje Elde / LB8KH
__
Elecraft mailing list
Home: http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:Elecraft@mailman.qth.net

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

Re: [Elecraft] [KX3] New KX2 feature: Internal logging of outgoing CW/data text

[rich hurd WC3T]

Hi Wayne,

You may add me to the "KX3 interest" pileup (or pile-on depending on your
perspective.   Hi hi.)


On Wed, May 17, 2017 at 4:03 PM, Wayne Burdick n...@elecraft.com [KX3] <
kx3-nore...@yahoogroups.com> wrote:

>
>
> Logging of casual QSOs can be inconvenient when you're using the KX2 while
> hiking. You might be taking a break at a scenic overlook, using the rig
> like an HT, with one hand holding the rig and the other sending with the
> attached paddle. (This is in fact my favorite style of operation.)
>
> For times like these, we’re adding an automatic logging feature to the
> KX2. When MENU:LOGBOOK is set to ON, the KX2 will record the last 2048
> characters of your outgoing CW, PSK31/63, or RTTY text. The only
> requirement is that you use the rig's internal keyer, with either an
> attached paddle or an external one.
>
> 2048 characters is enough for 50 to 100 contest-style QSOs, or about 5 to
> 10 casual, bare-bones QSOs. You can turn logging on/off easily by assigning
> the LOGBOOK menu entry to a programmable function (PF1-PF4). You might want
> to turn it on when starting a QSO, then turn it back off once you’ve sent
> the other station’s callsign, RST, etc.
>
> To view the logged text, there will be a LOG display mode, accessed using
> the DISP switch. While in this mode, VFO A can be used to scroll forwards
> and backwards through the text. This allows you to review contacts you’ve
> made, perhaps sometime in the future when you have time to update a paper
> or computer log. Text can be erased by holding CLR while in LOG display
> mode. Transmitting exits LOG display mode immediately.
>
> The logged text includes your band and mode changes (e.g. *14.0 CW*).
> Also, any time you're transmitting, a time stamp is generated once per
> minute. The time stamps don’t appear in the text itself. Instead, they're
> shown on VFO A as you scroll, e.g.:
>
> LOG 0030
>
> The KXIO2 option module includes a real-time-clock. If a KXIO2 is
> installed, time stamps will reflect the actual 24-hour UTC time. Otherwise
> time stamps will reflect the relative time since the radio was turned on,
> which starts at 00:00.
>
> Of course there are limitations to this logging method. But as long as you
> send each station’s callsign at least once during a QSO, you’ll have a
> record of it, along with the band, mode, and time. You could log additional
> QSO information, if desired, by continuing to transmit; power should be
> turned down to zero in this case.
>
> This feature is likely to be available shortly after we get back from
> Dayton. We hope to add this to the KX3 as well, if there’s enough interest.
>
> 73,
> Wayne
> N6KR
>
> __._,_.___
> --
> Posted by: Wayne Burdick 
> --
> Reply via web post
> 
> • Reply to sender
> 
> • Reply to group
> 
> • Start a New Topic
> 
> • Messages in this topic
> 
> (1)
> --
> Have you tried the highest rated email app? 
> With 4.5 stars in iTunes, the Yahoo Mail app is the highest rated email
> app on the market. What are you waiting for? Now you can access all your
> inboxes (Gmail, Outlook, AOL and more) in one place. Never delete an email
> again with 1000GB of free cloud storage.
> --
> Visit Your Group
> 
>
>- New Members
>
> 
>18
>
> [image: Yahoo! Groups]
> 
> • Privacy  •
> Unsubscribe  • Terms
> of Use 

[Elecraft] Charging the KX2 battery with solar

[John AE5X]

>From Bioenno's own website on this particular charge controller:

"This solar controller is intended for 12V LiFePO4 Batteries Only"
https://www.bioennopower.com/products/12v-24v-20a-solar-charge-controller-mppt-for-lifepo4-batteries

LiFePO4 batteries are not Li-Ion batteries.

73,

John AE5X
http://ae5x.blogspot.com/
___

I have a Bioenno Power solar charge controller (SC-1220JU), and I'm
wondering if there would be any issues with charging the KX2's internal
battery with that charge controller.  


Affordable Wireless Plans
Set up is easy. Get online in minutes.
Starting at only $14.95 per month! 
www.netzero.net?refcd=nzmem0216
__
Elecraft mailing list
Home: http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:Elecraft@mailman.qth.net

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

Re: [Elecraft] New KX2 feature: Internal logging of outgoing CW/data text

[Adrian Helwig via Elecraft]

Hi Wayne,
fantastic information! I think last Year during HAM Radio in Germany I was 
discussing this with Eric and there You go :)I'm also interested in having 
this on KX3 even if since I have KX2 the KX3 is more station transceiver it 
would really simplify logging process for occasional QSOs. And with PX3 You 
also have nice way to present the information.
Maybe You will some time implement also automatic logging features like Ulrich, 
N2DE is doing with his CW Machine (http://www.i2rtf.com/files/CWMachine.pdf). 
See page 57... only an idea :)
many thanks and regards from Germany

Adrian, DH1AHL
 

Wayne Burdick  schrieb am 22:04 Mittwoch, 17.Mai 2017:
 

 Logging of casual QSOs can be inconvenient when you're using the KX2 while 
hiking. You might be taking a break at a scenic overlook, using the rig like an 
HT, with one hand holding the rig and the other sending with the attached 
paddle. (This is in fact my favorite style of operation.)

For times like these, we’re adding an automatic logging feature to the KX2. 
When MENU:LOGBOOK is set to ON, the KX2 will record the last 2048 characters of 
your outgoing CW, PSK31/63, or RTTY text. The only requirement is that you use 
the rig's internal keyer, with either an attached paddle or an external one. 

2048 characters is enough for 50 to 100 contest-style QSOs, or about 5 to 10 
casual, bare-bones QSOs. You can turn logging on/off easily by assigning the 
LOGBOOK menu entry to a programmable function (PF1-PF4). You might want to turn 
it on when starting a QSO, then turn it back off once you’ve sent the other 
station’s callsign, RST, etc.

To view the logged text, there will be a LOG display mode, accessed using the 
DISP switch. While in this mode, VFO A can be used to scroll forwards and 
backwards through the text. This allows you to review contacts you’ve made, 
perhaps sometime in the future when you have time to update a paper or computer 
log. Text can be erased by holding CLR while in LOG display mode. Transmitting 
exits LOG display mode immediately.

The logged text includes your band and mode changes (e.g. *14.0 CW*). Also, any 
time you're transmitting, a time stamp is generated once per minute. The time 
stamps don’t appear in the text itself. Instead, they're shown on VFO A as you 
scroll, e.g.:

    LOG 0030

The KXIO2 option module includes a real-time-clock. If a KXIO2 is installed, 
time stamps will reflect the actual 24-hour UTC time. Otherwise time stamps 
will reflect the relative time since the radio was turned on, which starts at 
00:00.

Of course there are limitations to this logging method. But as long as you send 
each station’s callsign at least once during a QSO, you’ll have a record of it, 
along with the band, mode, and time. You could log additional QSO information, 
if desired, by continuing to transmit; power should be turned down to zero in 
this case.

This feature is likely to be available shortly after we get back from Dayton. 
We hope to add this to the KX3 as well, if there’s enough interest.

73,
Wayne
N6KR



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

This list hosted by: http://www.qsl.net
Please help support this email list: http://www.qsl.net/donate.html
Message delivered to dh1...@yahoo.de

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

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