Re: [Elecraft] Could this operate on a motorcycle?

2014-05-04 Thread Walter Underwood
of the RAM mount box I specified. So what unit meets those previously stated requirements? On Sun, May 4, 2014 at 6:47 PM, Walter Underwood wun...@wunderwood.org wrote: I am pretty sure I never suggested using a 5W rig. Mobile VHF rigs are 50-75W. The KX3 is limited to 10W (8W at 12m

Re: [Elecraft] K3 Kit Wisdom

2014-05-03 Thread Walter Underwood
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Re: [Elecraft] QRQ CW

2014-04-30 Thread Walter Underwood
Agreed, this is correct usage. It is shorthand for OVER to you and OUT after your transmission, which saves another transmission just for ID, out. You might hear this at a busy harbor, where control is working with many commercial ships and the operators are comfortable with it. It allows

Re: [Elecraft] OT: NVIS with KX3

2014-04-24 Thread Walter Underwood
for that rule of thumb, read this excellent article on NVIS from QST by N6BV. http://www.voacap.com/documents/Straw1205.pdf wunder -- Walter Underwood wun...@wunderwood.org __ Elecraft mailing list Home: http://mailman.qth.net/mailman

Re: [Elecraft] What crystal filters for the K3 are linear phase delay (constant group delay) ?

2014-04-23 Thread Walter Underwood
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Re: [Elecraft] KX3 - RMS Express USB Data Mode

2014-04-22 Thread Walter Underwood
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Re: [Elecraft] Echo and feedback un SSB

2014-04-20 Thread Walter Underwood
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Re: [Elecraft] [KX3] MIC Bias has no effect

2014-04-19 Thread Walter Underwood
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Re: [Elecraft] vfo encoder noise on quiet band

2014-04-19 Thread Walter Underwood
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Re: [Elecraft] Eneloop 2500 mah batteries

2014-04-10 Thread Walter Underwood
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Re: [Elecraft] KX3-2M module?

2014-04-08 Thread Walter Underwood
The specs for frequency stability are not good enough for the JT65 modes (+/- 1 ppm typical over 0-50 C). On 2m, that would be +/- 144Hz. The extended temperature compensation improves that, but it will never be as stable as a K3 with an external reference. Did you expect it to perform much,

Re: [Elecraft] PX3

2014-04-05 Thread Walter Underwood
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Re: [Elecraft] PX3

2014-04-05 Thread Walter Underwood
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Re: [Elecraft] PX3

2014-04-05 Thread Walter Underwood
sate my curiosity as to how they did it. I just hope the solution isn't proprietary. 73, Barry K3NDM On 4/5/2014 7:14 PM, Walter Underwood wrote: Yes. I posted the text from the manual two days ago in the KX3 list. The RX I/Q outputs from a receiver are not “flat” over an infinite

Re: [Elecraft] K3 - Ergonomics

2014-04-04 Thread Walter Underwood
) bands can be excluded from the up and down band button operation. The KX3 has the same capability. 73, Don W3FPR On 4/4/2014 1:56 AM, Walter Underwood wrote: You could extend an existing button function. Perhaps add the 60m band to the band up/down buttons

Re: [Elecraft] External controls for the K3?

2014-04-03 Thread Walter Underwood
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Re: [Elecraft] K3 - Ergonomics

2014-04-03 Thread Walter Underwood
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Re: [Elecraft] K2 or K2/100 as a FD rig? I'm building my late model K2/10 as this years FD rig. Used a K1 last year and had a blast. What about the K2 limits LO performance.

2014-04-02 Thread Walter Underwood
The K2 is listed in the Sherwood Engineering table. Follow the link in the original post on LO noise. wunder -- Walter Underwood K6WRU CM87wj __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http

Re: [Elecraft] Why is KX3 phase noise so much less than the K3 ?

2014-04-02 Thread Walter Underwood
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Re: [Elecraft] P3 Mounting Tip

2014-04-01 Thread Walter Underwood
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Re: [Elecraft] KX3 Audio Power

2014-03-28 Thread Walter Underwood
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Re: [Elecraft] KXPA100 with other QRP rigs...

2014-03-27 Thread Walter Underwood
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Re: [Elecraft] KX3 OSC Temp And Freq Drift Relationship?

2014-03-26 Thread Walter Underwood
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Re: [Elecraft] Digimodes what am I missing?

2014-03-22 Thread Walter Underwood
the technical stuff. wunder K6WRU On Mar 22, 2014, at 5:18 PM, Phil Kane k2...@kanafi.org wrote: On 3/21/2014 8:39 AM, Walter Underwood wrote: CW is neat as a hobby technology, but commercially, it is less relevant than blacksmithing. There are quite a few professional blacksmiths

Re: [Elecraft] Digimodes what am I missing?

2014-03-21 Thread Walter Underwood
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Re: [Elecraft] Digimodes what am I missing?

2014-03-21 Thread Walter Underwood
wrote: On 3/21/2014 11:39 AM, Walter Underwood wrote: I like digimodes because the technology is awesome. I'm amused when people consider them new, because they've been around for roughly 50 years. I think you've underestimated by quite a bit. RTTY has been around since the early '30s

Re: [Elecraft] K3 Off Grid

2014-03-04 Thread Walter Underwood
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Re: [Elecraft] [K3] Perfect for Field Day SP ... Limited Production 700 Hz 8-Pole Filters

2014-03-03 Thread Walter Underwood
It has been suggested that a using a 400Hz filter for RTTY (or other digital modes) puts the edges of the signal in the part of the passband with the worst phase distortion. A 700Hz filter puts the signal in a better-behaved part of the passband. The DSP filters have no phase distortion, of

Re: [Elecraft] KPA100 recommended max power for digital modes?

2014-02-22 Thread Walter Underwood
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Re: [Elecraft] OT ... Coax DC isolator

2014-02-11 Thread Walter Underwood
The thing that puts DC on coax is called a bias tee, so search for that. --wunder (K6WRU) On Feb 11, 2014, at 11:00 AM, WILLIS COOKE wrco...@yahoo.com wrote: It is not very hard to do this John. Just feed the RF in and out with a couple of RF capacitors and feed the DC in and out through 1

Re: [Elecraft] A confession

2014-02-08 Thread Walter Underwood
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Re: [Elecraft] New external speaker for K3

2014-02-07 Thread Walter Underwood
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Re: [Elecraft] Fraud

2014-02-06 Thread Walter Underwood
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Re: [Elecraft] The Technician Ten Radio

2014-02-06 Thread Walter Underwood
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Re: [Elecraft] DSP and the KX3

2014-02-05 Thread Walter Underwood
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Re: [Elecraft] How do I generate a Key Down to tune an external 6m amp?

2014-01-18 Thread Walter Underwood
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Re: [Elecraft] Audio Amplifiers without Pin One Grounding issue for us with the K3

2014-01-10 Thread Walter Underwood
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Re: [Elecraft] JARD Technical Standard Certification Number for K3 orK3X

2014-01-07 Thread Walter Underwood
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Re: [Elecraft] JARD Technical Standard Certification Number for K3 orK3X

2014-01-07 Thread Walter Underwood
act as a disincentive. Cheers - Bill On 1/7/14 at 6:32 PM, wun...@wunderwood.org (Walter Underwood) wrote: Radios in the US need FCC approval, too. I don't think this is all that different. --wunder On Jan 7, 2014, at 6:28 PM, Bill Frantz fra...@pwpconsult.com wrote: This situation

Re: [Elecraft] External speaker recommendation.....

2014-01-06 Thread Walter Underwood
Then I should plan on using my Magneplanar SMGa's, because they are 2 Ohm speakers. Except I don't have a K2. Dang. wunder K6WRU On Jan 6, 2014, at 2:54 PM, Jim Brown j...@audiosystemsgroup.com wrote: On 1/6/2014 2:02 PM, EricJ wrote: The K2 speaker has been better for CW than anything else

Re: [Elecraft] K3/KPA500/KAT500 SWR problem

2013-12-30 Thread Walter Underwood
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Re: [Elecraft] OT: Nixie clock

2013-12-27 Thread Walter Underwood
According to the assembly manual, it uses the power line 60Hz as a frequency reference. Last I heard, the utilities actually manage the frequency so the long-term average is very close to 60Hz. If you want real-time data on power line frequency, check out the FNET measurement network. It looks

Re: [Elecraft] OT: Nixie clock

2013-12-27 Thread Walter Underwood
here get their time via some network, or from the GPS constellation. On 12/27/2013 5:47 PM, Walter Underwood wrote: According to the assembly manual, it uses the power line 60Hz as a frequency reference. Last I heard, the utilities actually manage the frequency so the long-term average

Re: [Elecraft] Fwd: Speakers audio is gone

2013-12-21 Thread Walter Underwood
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Re: [Elecraft] OT: Crimping small wires

2013-12-11 Thread Walter Underwood
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Re: [Elecraft] KX3 Accuracy of clock

2013-12-02 Thread Walter Underwood
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Re: [Elecraft] KX3 Accuracy of clock

2013-12-02 Thread Walter Underwood
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Re: [Elecraft] KX3 Accuracy of clock

2013-12-02 Thread Walter Underwood
, at 8:45 PM, Phil Kane k2...@kanafi.org wrote: On 12/2/2013 8:19 PM, Walter Underwood wrote: That page says there is a built-in way to keep your clock synced, but it is hard to find. Why not just walk people through the documentation? Try this: 1. Start the *Registry Editor* 2. Go

Re: [Elecraft] KX3 and P3 question

2013-11-27 Thread Walter Underwood
Short version: the P3 does not work with the KX3 at all. It is K3-only. --wunder, K6WRU On Nov 27, 2013, at 5:53 AM, Graham Pemberton G7NEH grahampemberton...@btinternet.com wrote: Hi all, I am just waiting for my KX3 kit to be delivered and was looking at the P3 Panadapter for a future

Re: [Elecraft] KX3 Ordered - Battery/Power Questions

2013-11-09 Thread Walter Underwood
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Re: [Elecraft] Kx3

2013-11-04 Thread Walter Underwood
On Nov 4, 2013, at 6:35 PM, Gerry leary gerrylear...@icloud.com wrote: Hello everybody, I just bought a new KX3. Now I need to know more about the best batteries to use where to get them and some good small power supply recommendations? Thanks W the six I VF Sent from my iPhone this time

Re: [Elecraft] Using a PC headset with K3, connections reverse at rear MIC jack?

2013-10-29 Thread Walter Underwood
/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 -- Walter Underwood wun...@wunderwood.org

Re: [Elecraft] O.T Question for the group

2013-10-24 Thread Walter Underwood
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Re: [Elecraft] CW Pitch Resolution

2013-10-20 Thread Walter Underwood
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Re: [Elecraft] KX3 - 10M High Current

2013-10-16 Thread Walter Underwood
The KX3 is spec'ed for 8W on 12m, 10m, and 6m. In some cases, you can run 10W, but that requires a good antenna match and a higher-voltage power supply. wunder K6WRU On Oct 16, 2013, at 5:11 PM, Jim - W6VAR wrote: I just put up a 10M dipole at 16' with a BL2 at the center feed. The AIM4170

Re: [Elecraft] 2 meter module question

2013-10-15 Thread Walter Underwood
All KX3 options fit inside the box at the same time: ATU, battery charger, 2m module. --wunder, K6WRU On Oct 15, 2013, at 1:06 PM, dan wrote: Hey guys. Thanks for the info on the 2 meter module project for the KX3. I do have a question though. I just ordered the auto antenna tuner mod for

Re: [Elecraft] K3 Suddenly died

2013-10-07 Thread Walter Underwood
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Re: [Elecraft] K3 Suddenly died

2013-10-07 Thread Walter Underwood
it. For a given resistance, as the current increases through it, the voltage drop increases in it. Changing the supply voltage will change the current flow through the same conductor resistance and affect the voltage drop in it. -Original Message- From: Walter Underwood Sent

Re: [Elecraft] Not 0-40C

2013-10-01 Thread Walter Underwood
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Re: [Elecraft] K3 Noise when moving KX3 VFO

2013-09-28 Thread Walter Underwood
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Re: [Elecraft] mods to K2

2013-09-28 Thread Walter Underwood
://www.hobbypcb.com/amateur-radio/amateur-radio/hardrock-50-hf-powe r-amp-kit.html I think there is a lot of evidence that 3dB does not matter. 10dB matters. 6dB might matter. wunder Walter Underwood K6WRU CM87wj _ __ Elecraft mailing

Re: [Elecraft] mods to K2

2013-09-27 Thread Walter Underwood
, so it could stay deep in the pack. See: http://www.hobbypcb.com/amateur-radio/amateur-radio/hardrock-50-hf-power-amp-kit.html I think there is a lot of evidence that 3dB does not matter. 10dB matters. 6dB might matter. wunder Walter Underwood K6WRU CM87wj On Sep 27, 2013, at 6:35 AM, Allan

Re: [Elecraft] mods to K2

2013-09-27 Thread Walter Underwood
The original question was increasing power from 10W to 20W on a K2 used as an emergency communication source for serious backcountry trips (multi-day wilderness whitewater rafting, etc.) That is not very similar to DXing or contesting. In that situation, you get a few dB by throwing your wire

Re: [Elecraft] RIGblaster Advantage for Serious Digital Modes, with KX3?

2013-09-17 Thread Walter Underwood
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Re: [Elecraft] KX3 ATU!

2013-09-11 Thread Walter Underwood
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Re: [Elecraft] Spaghetti Wire Zip Cord to connect m K3 to the power supply.

2013-09-08 Thread Walter Underwood
Powerwerx stocks flexible 8 and 10 gauge cable with high strand counts. http://www.powerwerx.com/wire-cable/power-wire-automotive.html They also stock 18 gauge test probe cable and call it noodle wire, which fits with the original terminology. wunder K6WRU On Sep 8, 2013, at 9:38 AM, Jim

Re: [Elecraft] Spaghetti Wire Zip Cord to connect m K3 to the power supply.

2013-09-08 Thread Walter Underwood
to make for a neater installation. Rich - N5ZCX On 9/8/2013 1:08 PM, Walter Underwood wrote: Powerwerx stocks flexible 8 and 10 gauge cable with high strand counts. http://www.powerwerx.com/wire-cable/power-wire-automotive.html They also stock 18 gauge test probe cable and call

Re: [Elecraft] Zip heavy, flexible paired wire

2013-09-08 Thread Walter Underwood
That isn't the same stuff. Let's compare the number of strands and the gauge of the strands for 8 gauge wire. Powerwerx zip cable: 133/30 Powerwerx flex cable: 616/36 Yes, the zip cable is flexible, but not as much as the other cable. wunder On Sep 8, 2013, at 12:39 PM, Rose wrote: The

Re: [Elecraft] Feature request - Disable Break In on K3

2013-08-28 Thread Walter Underwood
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Re: [Elecraft] Follow up on KX1 Field Ops

2013-08-22 Thread Walter Underwood
Electric fences can make a lot of RF noise. --wunder, K6WRU On Aug 22, 2013, at 10:38 AM, Bill Gerth wrote: Phil, The electrical noise might have been a 12VDC to 120VAC inverter or perhaps a bug zapper. Just a guess. 73, BILL GERTH, W4RK Jefferson City, MO First Licensed 1954

Re: [Elecraft] K3 - add-on for the wish list

2013-08-21 Thread Walter Underwood
The HAMPod does more than frequency entry, but the keypad does work for that. It is designed for visually-impaired hams. I don't see a price on the site. http://www.hampod.com/k3.php wunder K6WRU On Aug 21, 2013, at 11:37 AM, Bill wrote: I would like to see a remote keypad for direct

Re: [Elecraft] Elecraft Demo at hamfests - antenna hint

2013-08-20 Thread Walter Underwood
/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 -- Walter Underwood wun...@wunderwood.org

Re: [Elecraft] Out of Band Xmit

2013-08-19 Thread Walter Underwood
Out of band means different things in each of more than a hundred countries, so it is a lot of work to put that in firmware. Handy, but very tedious, and it would probably delay other features. I wouldn't mind band edge beeps myself, I am a bit absent-minded about that. wunder K6WRU On Aug

Re: [Elecraft] K3 and whats next from Elecraft

2013-08-18 Thread Walter Underwood
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Re: [Elecraft] KX3 BC Breakthrough

2013-08-15 Thread Walter Underwood
If the interference is from a single station, you can use a wave trap. This is a series-tuned resonant circuit across the transmission line that shorts out that frequency. Here is a good article about building one to get rid of a MW broadcast station. http://www.w4btx.com/wave.html wunder

Re: [Elecraft] Antenna and battery for KX1

2013-08-13 Thread Walter Underwood
Shortening it to 53 feet should avoid being an exact half-wave on most bands. You might try that first. If that doesn't work, go to 44. wunder K6WRU On Aug 13, 2013, at 3:36 PM, Mike K8CN wrote: Hi Phil, Shorten the radiator to 44 feet, but leave the counterpoise alone for now. The 65

Re: [Elecraft] SSB Net

2013-08-11 Thread Walter Underwood
I think the Ionosphere Fairy did not smile on us today. I could never get good enough copy on net control to check in. I could only copy a few check-ins, one from Michigan and one with a KPA500 from Oklahoma. I've had QRP QSO's from Oregon to Palo Alto before, but not today. wunder K6WRU On

Re: [Elecraft] Hearing aids and K3

2013-08-09 Thread Walter Underwood
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Re: [Elecraft] [K3] Hearing aids, meet K3

2013-08-08 Thread Walter Underwood
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Re: [Elecraft] KX3 AM-breakthrough

2013-07-30 Thread Walter Underwood
Information on the isolation preamp is in the manual, under the PREAMP menu item. You can choose between the 20dB preamp, the 10dB isolation preamp, and both (30dB). Use the 20-dB preamp when possible, since it has a better noise figure and lower current drain. If you select 10 or 30 dB, the

Re: [Elecraft] Firmware

2013-07-28 Thread Walter Underwood
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Re: [Elecraft] Monitor Audio

2013-07-28 Thread Walter Underwood
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Re: [Elecraft] psk31 ALC

2013-07-28 Thread Walter Underwood
Is the rig in transmit? ALC only registers when transmitting on my KX3. --wunder, K6WRU On Jul 28, 2013, at 1:17 PM, william wade wrote: Hello again. I have set up the K3 following the steps outlined by Wayne in his operating tips for PSK31. Everything went ok until I came to the

Re: [Elecraft] PSK 31

2013-07-26 Thread Walter Underwood
These days, a lot of people use USB audio sound cards. The Giffen iMic is a good choice, with stereo inputs and usually available for $30-35. wunder K6wRU On Jul 26, 2013, at 9:04 PM, william wade wrote: Hello all: Getting ready to set up PSK31 on my K3 following the operating tips

Re: [Elecraft] O.T.: End of (another) era

2013-07-16 Thread Walter Underwood
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Re: [Elecraft] K3 and WIFI

2013-07-11 Thread Walter Underwood
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Re: [Elecraft] KX3: LNRPrecision EndFedz EF-10/20/40KMII Antenna SWR tuning

2013-07-09 Thread Walter Underwood
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Re: [Elecraft] Elecraft SSB net results for 7/7/13

2013-07-09 Thread Walter Underwood
I'm actually KX3 #2985, rather than#29. I was only getting through with compression on, which is good (compression works), but I can't figure out how to make it stay on, which is not good. wunder K6WRU On Jul 9, 2013, at 6:45 PM, Phil Shepard wrote: Propagation conditions were some of the

Re: [Elecraft] KX3 Amp

2013-06-30 Thread Walter Underwood
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Re: [Elecraft] KX3 Amp

2013-06-30 Thread Walter Underwood
for a given outing. A PLB is about $250 for five to seven years. It's good to have more than one tool in your toolbox. -- Lynn On 6/30/2013 5:41 PM, Walter Underwood wrote: There are a lot of emergency situations that benefit from two-way communication. PLBs are great for sinking ships

Re: [Elecraft] RS-232 over WiFi

2013-06-25 Thread Walter Underwood
If you want something that is designed for rig control over wi-fi, get a Piglet from Pignology. http://pignology.net/piglet/ wunder K6WRU On Jun 25, 2013, at 7:43 AM, VE3GNO Daniel wrote: well, this is a good question, if you are planning to use a pair of this devices one as master and one

Re: [Elecraft] KX3 and Rocky 3.7

2013-06-24 Thread Walter Underwood
Yes, people have reported good results with the Griffin iMic. Mine certainly has stereo in, because I've used it to rip stereo LPs. wunder K6WRU On Jun 24, 2013, at 8:36 PM, Richard Fjeld wrote: I remember seeing a post with a link showing a person with a KX3 using an iMic USB sound card.

Re: [Elecraft] OT: 2m beam orientation

2013-06-21 Thread Walter Underwood
highly-reliable, very fast, extremely expensive systems. The cloud is a swarm of unreliable slow systems. My laptop is faster than most of our cloud instances. Systems need a total redesign to run well in a cloud. wunder -- Walter Underwood K6WRU CM87wj

Re: [Elecraft] QRP

2013-06-18 Thread Walter Underwood
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Re: [Elecraft] QRP

2013-06-18 Thread Walter Underwood
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Re: [Elecraft] Power Poles

2013-06-17 Thread Walter Underwood
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Re: [Elecraft] Power Poles

2013-06-17 Thread Walter Underwood
' the table, again. Those will do until something better happens. Thanks, I'll order a bag or two. I prefer a positive lock on connectors since Murphy has an apartment here... Rick wa6nhc Tiny iPhone 5 keypad, typos are inevitable On Jun 17, 2013, at 8:32 AM, Walter Underwood wun

Re: [Elecraft] PowerPoles

2013-06-17 Thread Walter Underwood
Thanks, that does clear things up. How about using very flexible stranded power wire? Powerwerx has spools of it, but I'm sure it is available elsewhere. http://www.powerwerx.com/wire-cable/power-wire-automotive.html wunder K6WRU On Jun 17, 2013, at 8:53 AM, Roger D Johnson wrote: It

Re: [Elecraft] PowerPoles

2013-06-17 Thread Walter Underwood
box. (I always like to support local stores. Perhaps they'll be there when I need something in a hurry.) Cheers - Bill, AE6JV On 6/17/13 at 10:54 AM, wun...@wunderwood.org (Walter Underwood) wrote: How about using very flexible stranded power wire? Powerwerx has spools of it, but I'm

Re: [Elecraft] Capital letters on reflector

2013-06-10 Thread Walter Underwood
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