Re: [Elecraft] Slightly Off-Topic: Roving update of default repeater station

2013-09-10 Thread Ray Cadmus
It does exist for some systems.  There is a Repeater Book app  for 
Android - don't know about Apple stuff.  Anyway, it will do a blue-tooth 
setup for Yaesu radios (817, 857) via a blue-tooth adapter.


Check it out.

https://play.google.com/store/apps/details?id=com.zbm2.repeaterbookhl=en

May not be what you are after but shows the possibilities.

Regards,

rayW0PFO

--


On 09/10/2013 11:46 AM, Phil Hystad wrote:

This question has nothing to do with Elecraft rigs (well, possibly remotely if 
I assume a KX3 as mobile with the future to be provided 2-meter option).

Yesterday I drove to Portland from my QTH of Kirkland near Seattle.  This is a 
3 1/2 hour trip down I-5 (and, the return).  In the Seattle area, I had my 
2-meter mobile rig in my truck sitting on a repeater frequency but it was not 
too long before I was out of range of that repeater.  I wondered briefly about 
changing to some nearby closer repeater but it was not that important to me but 
I started thinking about an automated way to do this.

I have GPS in various guises with my Truck (iPhone, iPad, and my little Garmin 
GPS at times), so what if I had a way of extracting location, looking up 
location of nearest repeater in my database (if I had one), and then having a 
interface to my rig to update the repeater frequency, split offset, tone, etc.  
All very possible.

So, my question:  Does such a thing now exist?  I don't pay enough attention to 
repeater-life to know what other hams may have already created?

73, phil, K7PEH

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Re: [Elecraft] Antenna comparisons, WSPRnet and timed serial port macros

2013-08-06 Thread Ray Cadmus

Here is a link that may answer part of the question:

http://batchloaf.wordpress.com/2013/02/12/simple-trick-for-sending-characters-to-a-serial-port-in-windows/

His simple method of doing echo hello or your command string to 
com1  would probably work.  You could then make that a batch file to be 
run periodically.  While I am not currently a Windows user I seem to 
recall an ON command that can schedule things.


Hope this helps.

Regards,

RayW0PFO

--

On 08/06/2013 11:36 AM, drewko wrote:

The question is, what is the simplest solution for achieving this?
Don't really want to install some full-blown logging-control software.
I am wondering if there is perhaps some little generic utility
available that will send user specified commands over the serial port
at specified intervals. Is there anything like that available? (Years
ago there was a great telecom program called COMMO that could do
this.)

73,
Drew
AF2Z



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Re: [Elecraft] K2 qrp battery drain estimation

2013-06-15 Thread Ray Cadmus

You might want to check out the battery estimator spreadsheet from:

http://www.wa0itp.com/

Other good links there as well :-)

rayW0PFO

--

On 06/14/2013 05:28 PM, Robert G Strickland wrote:
If I'm operating a K2 at 5w cw, in SP contest mode, I compute the 
current drain under the stated conditions as follows:


conditions:
50% listening, 50% transmitting
CW 50% duty cycle

current:
200ma receive, more or less
1.0a transmit, more or less

current draw per hour:
100ma [30min rcv] + 250ma [30min xmit @ 50% duty cycle] = 350ma per hour

10Hr requires a 3.5Ahr battery
20Hr requires a 7.5Ahr battery
etc...

Is this more or less accurate, or have I missed something? Thanks.

...robert


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Re: [Elecraft] I've been thinking!

2012-12-23 Thread Ray Cadmus

You may want to check out GnuRadio at:
http://gnuradio.org/redmine/projects/gnuradio/wiki

It looks very much like what you wished for :-)

Regards,

rayW0PFO

--


On 12/23/2012 10:02 AM, Bill Frantz wrote:
 Edward has the germ of an interesting product idea that might appeal 
to hams like me: A computer package that makes building a SDR as easy 
as an Arduino makes building a digital controller. This package could 
come with building blocks such as software mixers, software filters, 
and software coders/decoders which can be connected to each other and 
to user interface elements to build a radio. Obviously it should be 
straight forward to define and add your own elements. This package 
would make it easy to experiment with new modulation schemes and many 
other aspects of radio design. The KX3 with its I/Q interface would be 
a useful analog platform for this software.


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Re: [Elecraft] VFO tuning range of 150Khz

2012-05-05 Thread Ray Cadmus
I changed mine to the broader range so I could hit the slow spots on 40...

No problems - I would not go back.

73,

rayW0PFO

--

On 05/05/2012 03:48 PM, AF6NI wrote:
 I've had a couple of K1's but I am actually constructing my first one from a
 kit. I need to decide whether to set the VFO range to 80 or 150Khz. I am
 leaning toward the 150Khz because occasionally I like to go up to the slow
 speed CW portion of 40 (7.110-7.125 Mhz) and also because it would be nice
 to receive WWV at 10Mhz. Every K1 I've had to date has been set for the
 narrower tuning range.

 I need to make the decision quickly since I'm about to choose which crystal
 to install for 30M. If you have a K1 that tunes 150Khz how do you like it?
 Do you find that the tuning is too sensitive and do you wish you had set it
 to the narrower tuning width?

 Thanks.
 Joe

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Re: [Elecraft] Need plans for building small baluns for using balanced feedline with a K1

2012-02-23 Thread Ray Cadmus
Check out N5ESE's site:

http://www.n5ese.com/gizmo.htm

Lots of neat stuff!

73,

rayW0PFO

-

On 02/22/2012 10:27 PM, George Averill wrote:
 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.

 72, George
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Re: [Elecraft] [KX3] Microphone idea - adapter

2012-02-22 Thread Ray Cadmus
How about an extension cable - change the one end to what you need?

http://www.cablesondemand.com/Library/InfoManage/Items.asp?product=MP-5TRJ45EXTE

rayW0PFO

--

On 02/22/2012 05:11 PM, Steve KC8QVO wrote:
 Scott,

 Thanks for the reply. However, that is the same part I have from my Yaesu
 kit - female RJ-45's on both sides. The kind of jack I am looking for would
 have a wire connection/mount on one side (mounts to a cable itself - just
 like a male RJ-45 that we're probably all familiar with by now) and a female
 jack on the other that I can plug my mic in to. The wire I use would then go
 from the female RJ-45 to the TRRS 4 circuit plug that the KX3 takes.

 Steve, KC8QVO
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Re: [Elecraft] SKN 2012

2012-01-01 Thread Ray Cadmus
I think I understand your feelings about the old K2.

  I owned, for a time, serial #7.  I didn't build it myself - I acquired 
it from a ham in Canada.  There was a somewhat mystical quality felt in 
having one of the early ones - wish I had it back :-( .  It went for a 
good cause though...  and I did get a K1 in trade.  A somewhat local ham 
was looking for a K2 but,  time being limited, settled for the K1.  When 
I heard I, made the swap (some boot - I'm not that generous).  He had it 
and, I assume, enjoyed it for the better part of a year before the big C 
took him.

Some day I'll get another K2 - but it won't be quite the same.

73,

rayW0PFO

--

On 12/31/2011 05:15 PM, Don Wilhelm wrote:
 John,

 If you think my fully upgraded (and packed with all options for a QRP
 K2) original Field Test K2 SN 00020 will be replaced by a KX3, you have
 another think coming.
 Yes, I will have a KX3, but that old K2 will still be rolling along.
 It may not do prime duty in the home station - the K3 takes of that, and
 it will no longer be the Field Radio of Choice once the KX3 is in hand,
 but it will sit faithfully on the operating desk and be used in sort of
 an SO2R position with the K3.
 I hope my heirs treat it with respect as well, but that is out of my
 control.  So in the future, if you youngsters run across a K2 SN 00020,
 know that it was mine, and it was never sold in my lifetime.

 Oh yes, Happy New Year to all - 2011 is just about gone.

 73,
 Don W3FPR

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[Elecraft] K! - tuning range

2011-07-08 Thread Ray Cadmus
I have acquired a K1-4 with normal tuning range.  I would like to expand 
that so I can to the slow-pokes portion of 40.  If I understand 
correctly what I have found so far - I need to replace C2 on the front 
panel.  Is this correct?

The next question would be - how do I get to the front panel? :-)

73,

ray W0PFO


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[Elecraft] PCI Express sound card for digimodes

2010-01-30 Thread Ray Cadmus
I have been very happy with my SignaLink USB.   It is a small external 
box and does include rig control. 

Check:

http://www.tigertronics.com/

Regards,

ray - W0PFO


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Re: [Elecraft] squirl-FD - linux

2009-05-11 Thread Ray Cadmus
I just tried this via WINE on Linux - worked FB.

FWIW

73,

ray W0PFO


--
from:  K8TB

If I may, there is a very simple, yet effective field day only 
logging program:

http://www.qsl.net/kc8opv/squirl-fd/

Very free. Run it on old laptops, it works just fine.

tom K8TB

p.s., runs very well with K1's, K2's and K3's  :) 


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