Re: [Elecraft] Shipping via UPS - A Lesson Learned the Hard Way

2022-04-11 Thread Michael Chowning
Many of the Verizon phone carrier stores are franchise owned stores and though 
I get good service at the one in my neighborhood, I have run into a few 
situations re financial accounts where I had to drive 45 minutes to a 
“corporate” store to resolve the issues.
 Mike, N8TTR 

> On Apr 11, 2022, at 6:29 PM, eda...@aya.yale.edu wrote:
> 
> I just shipped some of my Elecraft gear to someone who had purchased it from
> me.  The agreement was that I would ship it and they would bear the shipping
> expense.  The buyer was OK with my using UPS.
> 
> 
> 
> So I packed it up and took it to "The UPS Store."  There are about 30 of
> them in the Denver metro area and about a dozen in the city itself.  Before
> taking the package there I looked at UPS on-line to see what insurance would
> cost.  The UPS site said $1.05 per hundred dollars in excess of the $100
> included in the shipping rate.  When I arrived at the UPS Store they charged
> me $4.50 per $100.  That difference times the value of what I was shipping
> came to well over $100.  When I questioned it (more accurately, when I
> complained about it) they told me that UPS and The UPS Store are different
> entities.  The latter, they said, is a network of franchises independent of
> the real UPS that "works with" UPS for retail shipping and receiving.  So
> what I had seen on the UPS website was what UPS charges, not the grossly
> inflated premium The UPS Store charges.  OK, I asked, how can I ship this
> via UPS itself?  The answer was a 90 minute round-trip drive to the nearest
> real UPS terminal.
> 
> 
> 
> The UPS Store does not charge real UPS rates.  They have UPS in their name.
> They use a logo indistinguishable from the UPS logo.  Their counter clerks
> wear UPS Brown.  There was a standar UPS truck parked in front of the shop.
> There was NOTHING visible to me in the store that indicated it wasn't a UPS
> shop.  Maybe everyone on this reflector already knows about this.  Until
> this morning I didn't.  
> 
> 
> 
> There's an old maxim that a happy customer tells one other person about
> their experience.  An unhappy customer tells ten other people.  
> 
> 
> 
> Ted, KN1CBR 
> 
> 
> 
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Michael Chowning, O.F.M.
Holy Family Friary
P.O. Box 98
3027 Pearl Street
Oldenburg, IN 47036
(812) 212-5936 (Cellphone)
mike.chown...@franciscan.org



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Re: [Elecraft] KX144 (kind of)

2021-09-21 Thread Michael Chowning
Sorry, misread the original post.  Nonetheless, the 6N2 is a nice rig.
 Mike, N8TTR

Michael Chowning, O.F.M.
Holy Family Friary
P.O. Box 98
3027 Pearl Street
Oldenburg, IN 47036
mike.chown...@franciscan.org



> On Sep 21, 2021, at 2:48 PM, Michael Chowning  
> wrote:
> 
> Ten Tec produced a 2m and 6m rig, model 526, popularly known as the “6N2”.  
> They are very hard to procure, as most owners rarely sell them.
>   Mike, N8TTR
> 
>> On Sep 21, 2021, at 2:35 PM, Julia Tuttle  wrote:
>> 
>> As someone who's firmly in the small apartment + portable target market for
>> the KX3, I'd be interested in such a radio *if* it had 70cm as well so it
>> could do double duty working local repeaters too.
>> 
>> On Tue, Sep 21, 2021, 14:20 Samir Popaja  wrote:
>> 
>>> Hello Elecraft friends,
>>> 
>>> I wonder if Elecraft will ever make a 2m radio like old Kenwood TR-751 A,
>>> YAESU FT-290R or something like that (format) ... of course with K3S
>>> contest similar performance and at least 25W out?
>>> 
>>> What do you think, is there interest from Elecraft or the market for that?
>>> 
>>> 73 'Samir, sm7vzx
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> 
> 
> 
> Michael Chowning, O.F.M.
> Holy Family Friary
> P.O. Box 98
> 3027 Pearl Street
> Oldenburg, IN 47036
> (812) 212-5936 (Cellphone)
> mike.chown...@franciscan.org
> 
> 
> 
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Re: [Elecraft] KX144 (kind of)

2021-09-21 Thread Michael Chowning
Ten Tec produced a 2m and 6m rig, model 526, popularly known as the “6N2”.  
They are very hard to procure, as most owners rarely sell them.
   Mike, N8TTR

> On Sep 21, 2021, at 2:35 PM, Julia Tuttle  wrote:
> 
> As someone who's firmly in the small apartment + portable target market for
> the KX3, I'd be interested in such a radio *if* it had 70cm as well so it
> could do double duty working local repeaters too.
> 
> On Tue, Sep 21, 2021, 14:20 Samir Popaja  wrote:
> 
>> Hello Elecraft friends,
>> 
>> I wonder if Elecraft will ever make a 2m radio like old Kenwood TR-751 A,
>> YAESU FT-290R or something like that (format) ... of course with K3S
>> contest similar performance and at least 25W out?
>> 
>> What do you think, is there interest from Elecraft or the market for that?
>> 
>> 73 'Samir, sm7vzx
>> __
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Michael Chowning, O.F.M.
Holy Family Friary
P.O. Box 98
3027 Pearl Street
Oldenburg, IN 47036
(812) 212-5936 (Cellphone)
mike.chown...@franciscan.org



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Re: [Elecraft] OT: High school drafting class, ~1975

2021-04-24 Thread Michael Chowning
Drafting, 1956-57.  For the first four weeks of class, Sr. Mary Joseph would 
not let us touch any drafting instruments until we each made, sanded, 
shellac’ed, to her satisfaction, our own drafting boards. Her rationale was 
that if we crafted our own boards, we would take better care of them.  She was 
right.  Due to the lack of a third year Latin class at my parochial high 
school, I took the Drafting class, which proved to be the most practical class 
I ever took, more so than the physics, chemistry and math.
 Mike, N8TTR

> On Apr 24, 2021, at 1:08 AM, Wayne Burdick  wrote:
> 
> OK, I've really dated myself now. 
> 
> Anyone remember "drafting"? A favorite class in high school: blueprints, 
> mechanical drawings, schematics, straight edges, hand lettering, projections 
> and elevations. We invented things to draw that weren't real, but looked like 
> they should be. Did all the math by hand -- on a slide rule, if necessary. 
> Day-dreamed about what we might one day build.
> 
> 45 years later, we're using tools we couldn't have imagined. Modeling 
> circuits and objects with millions of parameters and vectors, realizing them 
> in virtual space, manipulating them in real time. Testing finished products 
> before they're even assembled.
> 
> The transformation is mind boggling. Yet the best part now, as it was then, 
> is the occasional burst of creative energy that propels an idea forward. The 
> feeling of pieces falling into place. Or forcing them into place out of sheer 
> necessity. 
> 
> Most of the time, we think of our new tools and techniques as advances in the 
> state of the art. Things we can't live without. But those same defining 
> moments happened just as often in simpler times.
> 
> Case in point -- my first real project, a rendition of W7ZOI's 
> Micro-mountaineer. Carefully documenting it took several sheets of 
> 4-squares-per-inch grid paper, which may still be in my cellar, beneath a 
> lifetime of such drawings. With the schematic, I took a lot of pride in 
> making the circuits look well-organized, as if that would somehow improve my 
> odds. On the PC board, I drew large traces and pads with the etch-resist pen, 
> as if that would somehow appease the electrons. 
> 
> I etched the PCB, soldered two dozen parts, and connected a 12 V lantern 
> battery. Thanks to my paranoia about what would happen if I did it wrong, I'd 
> taken my time and done it right. 
> 
> I was rewarded with a hiss of band noise and a few CW signals on 40 meters.
> 
> Here's to those moments, and to that timeless pursuit: turning abstractions 
> into reality.
> 
> 73,
> Wayne
> N6KR
> 
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Re: [Elecraft] Tuner bug

2020-11-07 Thread Michael Chowning
Opportunity looms - RF carpet cleaners!
  Mike, N8TTR

> On Nov 7, 2020, at 11:28 AM, Andy Durbin  wrote:
> 
> "Careful inspection of the air-spaced variable revealed a small bug between 
> the plates.  It was carefully extracted and viewed under the microscope.  It 
> was well charred!"
> 
> For the detail oriented - bug was identified as attagenus pellio (carpet 
> beetle).  They are common here in Arizona.  They have a very high crush 
> resistance but it seems poor tolerance of high RF voltage.
> 
> https://en.wikipedia.org/wiki/Attagenus_pellio
> 
> 73,
> Andy, k3wyc
> 
> 
> 
> 
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Re: [Elecraft] K3 on motorboat.

2020-06-09 Thread Michael Chowning
Aesthetics, yes.  Cost? Gulp!

https://advancedhfsolutions.com/ 

   Mike, N8TTR

> On Jun 9, 2020, at 6:32 PM, W2xj  wrote:
> 
> aesthetics? 
> 
> Sent from my iPad
> 
>> On Jun 9, 2020, at 6:14 PM, Barry  wrote:
>> 
>> Full size verticals are hard to do on small power boats. And elevated 
>> grounds are also hard. Water grounds are usually the most practical, but 
>> fresh water is not great. I counsel inverted Vs as they are ground 
>> independent. On power boats that too is a tough trick, but it can be done, 
>> depending on size of the boat. A 40 meter dipole can be made by bending the 
>> ends and can be fed with coax through a 4:1 current balun if the run to the 
>> radio is not too great. It will require a fiberglass mast bracketed to the 
>> fly bridge. There are several suppliers of good, strong push up masts 
>> available; I wouldn't go more than about 25 feet which should put the feed 
>> about 31 or so feet over the water,m close to a 1/4 wave on 40. This 
>> arrangement will allow all band operation above 40 with a K3 as the tuner is 
>> just plain magic.
>> 
>> 73,
>> Barry
>> K3NDM
>> 
>> -- Original Message --
>> From: "Robert Sands" 
>> To: "Frank C Richards" 
>> Cc: "Elecraft Discussion List" 
>> Sent: 6/9/2020 3:22:27 PM
>> Subject: Re: [Elecraft] K3 on motorboat.
>> 
>>> Verticals require more attention to ground but the goal should be to
>>> increase the antenna current, thus increasing radiated signal. ground into
>>> water seems like a waste but has DC grounding value. I use hung vertical
>>> dipoles (20 and 15) with no need for ground and they work amazingly well. I
>>> have tried letting wire or zinc ribbon  strips drop into saltwater to
>>> ground verticals and there is no value I can detect over something simpler,
>>> like tying to existing structures or running a above water wire
>>> counterpoise. Vertical dipoles require no Rf ground and propagate at low
>>> angle and high efficiency. Far effects over water are what counts, more
>>> than grounding, except in verticals to get higher antenna current.
>>> K7VO
>>> 
 On Tue, Jun 9, 2020 at 7:38 AM Frank C Richards  wrote:
 
 Having been in the marine electronics business I was able to successfully
 install many HF radios on boats from large steel commercial fishing boats
>> 
> 
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Re: [Elecraft] Anyone use Solar Power for your ham shack?

2019-02-13 Thread Michael Chowning
There is an informative article in the April, 2016 issue of QST on Solar Power 
and RFI. “Can Amateur Radio and Solar Power Co-exist?"
 Mike, N8TTR

> On Feb 13, 2019, at 3:46 PM, Bob McGraw K4TAX  wrote:
> 
> I installed a solar panel and required charge controller in our RV.While 
> it works quite well for its purpose, when I  use the HF radio the thing must 
> be turned off.  Seems those switching charge controllers in their plastic 
> boxes and with multiple wires running everywhere do generate noise "from DC 
> to light".Even after switching it off, the 100 watt transceiver and the 
> nearby antenna drove the charge controller nuts.  It turned on, it turned 
> off, it gave out beeps and became a total annoyance.  It did make a good CW 
> monitor however as it beeped with every CW element.
> 
> I'm sure there are other ones which are quite good.  But I bet they are 
> expensive.  Mine is a Windy Nation 100 watt system.
> 
> 73
> 
> Bob, K4TAX
> 
> 
> On 2/13/2019 1:14 PM, Barry LaZar wrote:
>> Mike,
>>  One of my ham friends has his next door neighbor using solar power. It
>> is causing a lot of RFI across most of HF. I suggest that you require your
>> supplier supplier to use RF quiet solutions.
>> 
>> 73,
>> Barry
>> K3NDM
>> 
>> On Wed, Feb 13, 2019, 12:58 PM mjpilgrim > 
>>> I've employed a small solar power system to supply my ham shack which
>>> includes K3-100/P3, two PCs with flat screen monitors, and 20" flat screen
>>> TV.  This began as a basic test bed to understand Solar Power, so i know i
>>> have lots to learn, and perhaps I have answers to help others with the same
>>> interests.
>>> 
>>> I'd like to hear  of your trials, errors, and decided solutions for best
>>> results.  I'm now researching best price performers for a pure sine wave
>>> inverter so i can merge my ATT u-Verse gateway/wi-fi and associated
>>> devices.
>>> Also, when running CW on the K3 i occasionally encounter LOW BATTERY error,
>>> requiring a few seconds of UP-Key to allow the batteries to recover.  I'd
>>> like to discuss that symptom relative to my sizing considerations in the
>>> Solar Power system.  On paper it appears sufficient.  Sometimes i
>>> wonder
>>> Drop me a note via email so we might continue this conversation at length.
>>> Thanks.  Mike, K5MP
>>> 
>>> 
>>> 
>>> --
>>> Sent from: http://elecraft.365791.n2.nabble.com/
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Re: [Elecraft] Urban stealth HF: Inside-the-backpack loop antenna?

2019-01-22 Thread Michael Chowning
Just for grins, look into this link, from Ohio State University from back in 
2011!
https://news.osu.edu/antennas-in-your-clothes--new-design-could-pave-the-way/ 

There are also articles more recently (2018) on electronics in one’s clothes, 
and computers in one’s clothes in this website’s news as well.
Mike, N8TTR

> On Jan 22, 2019, at 2:57 PM, Wayne Burdick  wrote:
> 
> I’ve engaged in plenty of ultralight HF pack operation, with a KX2, AX1 
> antenna and a dragged counterpoise. In wide open spaces it’s a blast. But 
> urban settings with dogs, wire-eating cacti and overzealous Neighborhood 
> Watchers can distract from one’s radio experience. 
> 
> So, just for grins, I’d like to try something completely incognerdo: no 
> visible antenna. A small remotely tuned loop (say 12” diameter) would seem to 
> be the best choice, as it would fit entirely inside a small backpack. It 
> could have  modest efficiency while not requiring a counterpoise wire. Rigid 
> 1” copper pipe formed in a square would be convenient to deploy. 
> 
> The loop would be only 6 to 8” from soft tissue, so you’d want to run QRP, of 
> course.  OTOH, we’re talking about HF. A cellphone by your ear is probably 
> worse. 
> 
> Any other antenna suggestions?
> 
> Wayne
> N6KR
> 
> 
> 
> 
> elecraft.com
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Re: [Elecraft] Vanity call

2018-07-14 Thread Michael Chowning
After waiting the specified wait period and then some for my license and 
callsign, I called the FCC Gettysburg office.  I explained the reason for my 
phone call, gave her my name and that I was a priest (unnecessary information 
but what the heck).  She repeated my name and said, “Oh, I have your papers 
right here next on my desk.  Let me see what is the next callsign.  Then she 
asked “you said you’re a priest right?”, to which I affirmed that I am indeed.  
“Oh, this one will not do then,” she said, “let me look for another.”  She then 
gave me the callsign “N8TTR”.  I can only imagine what that callsign was that 
she refused to assign to me!
   Mike, N8TTR

> On Jul 14, 2018, at 9:24 AM, Gary Smith  wrote:
> 
> In 1980 I upgraded from advanced to Extra. 
> The short story is I took the 2X1 call and 
> received KA1J. Naturally I got a new 
> license to reflect that and when I parked 
> the car at the house, my YL came out and 
> looked at my call & immediately said 
> "That's the perfect license for you". 
> 
> I had no idea what she meant, the plate 
> said KA1J, so I asked her to explain.
> 
> She said, "That's right where you belong, 
> in a cage".
> 
> There are some things you just can't 
> forget...
> 
> 73,
> 
> Gary
> KA1J
> 
>> There are several "interesting" phonetics that have been suggested but
>> I don't feel are suitable for on-air use.
>> 
>> 
>> 
>> 73, Wayne K2DT
> 
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[Elecraft] Portable Power for digital and Phone operation

2017-09-01 Thread Michael Chowning
Being there is no better place to get advice than this reflector, I am seeking 
your recommendation.  I have an Elecraft K3, P3, KAT500 & KPA500.

I want to operate somewhat portable with the K3, P3, monitor and laptop, 
buddipole on SSB and digital modes on Field day, and demonstrations on outings 
to community events (like festivals, etc).  My options, I’m considering are:

1) Honda 2000i gasoline generator
2) Yamaha EF2000iSV2 (with propane option)
+++

1) Deep Cell 12v 100amp battery (brand, model, control charger?)
2) Lipo battery (brand, model, control charger?)
2) appropriate solar power panels and controller charge for either of the above 
battery (brand, model, adapters?)


My questions:
 1) Is it best to go with the generator option; and if so, which of the two 
choices above?  Any outstanding reason for this option, and choice of the two?
 2) Is it best to go with the Battery, and solar option; why? Is there reason 
to choose the Lipo over the Deep Cell batteries? I am concerned over the 
choices about battery voltages and amp’s needed to operate as stated above.

It’s noisy but the generator option seems on the surface much simpler for 
setup.  However, from the perspective of demonstration of Amateur Radio today, 
the solar and battery option appears to be more demonstrative of the state of 
Amateur Radio today.  Being 77 yrs old, I don’t want to get over my head in 
technology (though I love such).
Thanks for your thoughtful recommendations.
   Mike, N8TTR
 

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Re: [Elecraft] Really OT: Inside-the-vehicle HF antennas (possible bonus points)

2017-07-15 Thread Michael Chowning
Spouse proof mobile antenna on that new car:

1) go to a customizing shop, and have them remove your sunroof
2) take the sunroof to a custom glass shop, have them lay out one layer of 
shatterproof glass
3) you lay out appropriate length thin wire on the glass according to the 
frequencies you desire; be sure to provide wire lead out
4) have the glass fabricators carefully sandwich another layer of glass
5) take glass sunroof back to the customizing shop to be re-installed
6) for extra bonus points, remember most sunroof tilt up a few degrees, giving 
it a modicum of directionality
7) for a whole lot of bonus points, tell the customizing shop you want the 
sunroof to pop up a foot above and for you to be able to rotate it at least a 
180 degrees, since there is electrical power, you could even motorized it.

Now all you have to do, is get permission to rack mount your radio in place of 
the passenger seat.
Seriously, here is a link from Ohio State Unversity on experimental antennas in 
clothes of the military.

https://news.osu.edu/news/2011/08/22/antcloth/
  
Mike, N8TTR

> On Jul 15, 2017, at 8:53 PM, Wayne Burdick  wrote:
> 
> I’m dealing with one of the last unsolved problems in amateur radio: how to 
> operate HF mobile without an antenna. At least not one that, according to 
> some vehicle co-owners/spouses, would defile your new sedan.
> 
> For 10 bonus points that have only philosophical value, your challenge is to 
> create an invisible mobile antenna and actually make a QSO on it. For 
> practical purposes (i.e., not frying the car or passengers) let’s say the 
> maximum power level is 10 watts. The bands of interest are 40-10 meters.
> 
> Here are some ideas I’m considering:
> 
> - mag loop in the rear window
> - thin wire loop on a roof rack 
> - gamma match to the entire roof
> - surface acoustic waves
> - prayer
> 
> Other ideas?
> 
> Yes, I know this violates the laws of physics and bioethics. And I fully 
> expect the car to generate debilitating levels of RFI. But isn’t this the 
> least you’d expect from an unsolved problem? 
> 
> Thanks in advance,
> 
> Wayne
> N6KR
> 
> 
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Re: [Elecraft] Using Heil Pro Set Elite boom mic on K3.. what adapter is required?

2017-06-18 Thread Michael Chowning
I have a Heil Pro Set Elite 6 with a 1/4 phone plug and 1/8 mic plug but when I 
looked closer at the 1/4 plug I realized that it is an adapter!  The phone plug 
really is 1/8 plug that plugged into the adapter.  It is not noticeable until I 
tugged on it slightly and it come apart.  Then I looked at the box, and it 
shows a picture of the two leads - 1/8 plugs with a separate 1/4 adapter.
Mike, N8TTR

> On Jun 18, 2017, at 10:38 PM, Dave Fugleberg  wrote:
> 
> Jim, I and several of my friends have various models of the Pro Set, and
> every one I've seen had the 1/8 inch plugs for both mic and phones, but
> perhaps some models are different. Mine has an adapter for the phones to
> convert to 1/4 inch when needed- it's low profile and adds very little
> length to the plug. I seldom use the adapter, as I prefer to use the rear
> jacks on the K3 and keep the front panel clear of wires.
> 73 de W0ZF
> On Sun, Jun 18, 2017 at 9:06 PM Jim Rhodes  wrote:
> 
>> Hmm, mine has a 1/4 inch stereo plug for phones.
>> 
>> 
>> On Sun, Jun 18, 2017 at 8:39 PM, Dave Fugleberg 
>> wrote:
>> 
>>> The  Heil pro sets have  a 1/8 inch stereo plug for the phones and a1/8
>>> inch mono plug for the mic. Those will plug right into the back of the K3
>>> without an adapter. If you prefer using the front panel mic connector,
>>> you'll need the Heil AD-1-K adapter.
>>> In either case, don't forget to set the menu selection for which mic
>>> (front
>>> or rear) you want to use.
>>> 
>>> On Sun, Jun 18, 2017 at 7:55 PM mjpilgrim  wrote:
>>> 
 I am soon to be the owner of a used K3.  I presently use a Heil Pro Set
 Elite
 boom mic for my IC-7600 and want to know if anyone here has used this
>>> mic
 on
 a K3, and if so,  what adapter did you use to connect to the round 8-pin
 mic
 input on the K3?  I'd like to hear your ideas.  Thanks
 Mike, K5MP
 Boca Raton, Fl
 
 
 
 --
 View this message in context:
 
>>> http://elecraft.365791.n2.nabble.com/Using-Heil-Pro-Set-Elite-boom-mic-on-K3-what-adapter-is-required-tp7631866.html
 Sent from the Elecraft mailing list archive at Nabble.com.
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>>> 
>>> 
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>> Message delivered to jimk...@gmail.com
>>> 
>> 
>> 
>> 
>> --
>> Jim K0XU
>> j...@rhodesend.net
>> 
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Re: [Elecraft] Question-How to inventory a K3?

2017-05-01 Thread Michael Chowning
A Great Idea, Rick!
I have been a Ten Tec patron for years (and still have an Omni VII and 6N2), 
and am now new to Elecraft with a upgraded K3, KPA500, KAT500, P3.  I would 
find your “K3, Explain Thyself” a great feature to add in a future firmware 
upgrade along with a cryptic line defining what, for example “KBPF3” refers to. 
 Secondly, as a purchaser of a used K3, I was unsure of what was in the K3 and 
was not in the K3 I purchased.  That made a decision to upgrade a more complex 
decision than should have been necessary; along with unfamiliarity with the 
Elecraft nomenclature.  In time, I know, I will become more familiar with the 
Elecraft product line but, on the other hand, I don’t have a whole lot of years 
left. 
   Mike, N8TTR

> On May 1, 2017, at 6:02 PM, Rick Tavan  wrote:
> 
> Sort of, Paul. There are CONFIG menu items for many of the optional
> components including KAT3, KBPF3, KDVR3, KIO3, KPA3, KRC2 (external
> device), KRX3, KXV3, and the various FLn filters both Main and Sub.
> However, you can't necessarily trust their settings. Some can be set On or
> Nor(mal) even if the device in question is absent. And the filter
> bandwidths could be fudged. But they're a great way to start inventorying
> what's probably there and many can be tested for presence without invasion.
> Checking the Order page at elecraft.com may clue you as to other options
> and modifications that could be present without corresponding menu entries.
> Alas, I don't think there is a "K3, Explain Thyself" function.
> 
> GL & 73,
> 
> /Rick N6XI
> 
> On Mon, May 1, 2017 at 11:59 AM, paule408--- via Elecraft <
> elecraft@mailman.qth.net> wrote:
> 
>> For the Elecraft "brain trust"
>> I have a K3, P3 and KAT500 that I am about to sell.
>> How do I inventory the K3 so that I can list what options and filters it
>> has?
>> Is there a way to do this from the menus short of taking the cover off?
>> Thanks,
>> Paul n6psep...@n6pse.com
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> 
> 
> 
> 
> -- 
> 
> Rick Tavan
> Truckee, CA
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[Elecraft] [KX3] Lithium Battery Video

2017-02-07 Thread Michael Chowning
Here is another link, which might be what you were referencing:

http://www.livescience.com/50643-watch-lithium-battery-explode.html

Mike, N8TTR
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[Elecraft] set on

2016-10-26 Thread Michael Chowning


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