Re: [Elecraft] K3/K3S 10W models with KXPA100

[george fritkin via Elecraft]

Why not a foot switch 


George, W6GF 

On February 20, 2016, at 6:48 PM, Don Wilhelm  wrote:

LS,

The KXPA100 will work with any QRP transceiver that produces a KEYOUT 
signal.
The K3/10, K3S/10 and the KX3 can do that, it is just a matter of a 
proper cable.

The K2/10 does not have a KEYOUT line (although the K2/100 does).  I 
would recommend that you build the circuit shown on Tom Hammond N0SS 
(SK) website at http://www.mmccs.com/mmarc/n0ss/index_k2.html.
Since Tom is SK, no boards are available, but the circuit is easy enough 
to build on perfboard.  Just follow Tom's board layout which is clearly 
identified full scale on his website and connect the wires.  If you have 
the capabilities for etching your own board, the process is easy since 
Tom provided full scale images of his board.
I have built several of the perfboard verions of that circuit and they 
work fine.

73,
Don W3FPR

On 2/20/2016 9:25 AM, lstavenhagen wrote:
> Hi all,
> May be a bit silly of a question, but how well does the KXPA 100 work with
> the K3 or K3S 10W model? Reason I ask is I now have 3 10W rigs (K3, K3S and
> a K2) and may be building a 4th soon (another K2/10). And in the very rare
> event when do go QRO, it would probably be cheaper to just get one 100W amp
> to use with them all than 4 100W amp modules for each.
>
> So my idea is a KXPA100 for my QRO ops with each one. So just curious how
> well this amp works with the K3 and K3S? I would imagine it'd be similar to
> using it with the K2 or ?
>
>

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Re: [Elecraft] K3S DSP filter plots

[George Fritkin via Elecraft]

And I will add a filter is not a filter.  No, I am not crazy.  There are many 
types of filters with various trade-offs.   In band ripple.loss..phase 
shift...skirt shapeare just some of the trade offs.  DSP software can 
emulate any or combos

George, W6GF


Sent from my iPad

> On Nov 16, 2015, at 5:03 PM, Fred Jensen  wrote:
> 
> No doubt Wayne is qualified, however he has deferred on several occasions to 
> Lyle who I believe actually writes the code.
> 
> And a teeny point from a math major ... inasmuch as arithmetic is a part of 
> math, it is clearly "done mathematically."  The "real" math however is in 
> figuring out what arithmetic to do.  At the implementation level, it's all 
> arithmetic, generally in base-2.
> 
> I'll bet my next paycheck, if I got one anymore, that both Lyle and Wayne 
> understand both.
> 
> 73,
> 
> Fred K6DGW
> - Northern California Contest Club
> - CU in the Cal QSO Party 1-2 Oct 2016
> - www.cqp.org
> 
>> On 11/16/2015 4:18 PM, Bob McGraw - K4TAX wrote:
>> 
>> Perhaps Wayne is better qualified to define the performance of the DSP
>> filter system, usually limited by the number of poles and is done
>> mathematically.
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Re: [Elecraft] Sherwood Receiver Test Data - K3S Added Today

[george fritkin via Elecraft]

If the TS990 had metal knobs not plastic, it might make 75 pounds!
73deGeorge, W6GF 


 On Wednesday, November 11, 2015 8:09 PM, Jim Lowman 
 wrote:
   

 Well, I guess the Kenwood TS-990S that I just unpacked doesn't qualify, 
even by virtue of its 54-pound weight.  :-)
No tubes, less than 75 pounds, and no place to tie a rope.

73 de Jim - AD6CW

P.S.  I haven't defected from Elecraft.  The K3S that I ordered at the 
Huntsville Hamfest is waiting for a clear place so that I can assemble it.
Still have the K1, K2, K3/10 and KX3.

On 11/10/2015 8:04 PM, Bob McGraw - K4TAX wrote:
> One thing which is seriously missing from the definition and that is a 
> boat anchor must have a place to tie a rope which then becomes an 
> anchor line.  With no place to tie a rope, the item  is merely 
> ballast.  There are some of the new radios that fall into both of 
> these categories and thus should be used accordingly.
>
> 73
> Bob, K4TAX
>
> On 11/10/2015 6:43 PM, Don Wilhelm wrote:
>> Gary,
>>
>> By definition, a boat anchor has vacuum tubes that glow, and have to 
>> be more than 40 years old (my definition).
>> Ohhh, and they need to include a power transformer which gives them 
>> enough weight to allow them to sink to the bottom of the lake.
>

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Re: [Elecraft] K3 DSP processor speed

[george fritkin via Elecraft]

I have my hearing checked every year.  My hearing is good.  I have 2)K3 and 
1)K3S.  I have never had a hiss problem with any.
George, W6GF
PS Having worked with TMS320 processors, the only way to go is assembly. 


 On Tuesday, November 10, 2015 10:39 AM, Gary Gregory  
wrote:
   

 I agree with Jerry, I have found several instances when i need to adjust RF
Gain, slope, athr etc, example, early mornings here I can pull a couple
VK2's, some 2500 kilometers away on 40M. When there are storms around, I
can take away most if not all of the static crashes and they are a clear
copy and easily understood. In the afternoons, again on 40M, with stations
no more thank 600 kilometers away, I change a couple of my settings BUT
still use NR at 5.1 or 5.2 and I have TX EQ set up diferently on TX ESSB
(set at 3Kz wide) and I have an armchair copy.

I had the "hiss" appear but over time I seem to have been able to fine tune
the receive so that I am not noticing it like it was. Is this after mods
done by Elecraft recently and the new Synth board?, maybe, but I have
learned to operate the K3 better since I went over many of the posts on the
reflector and noted what öthers"had tried. The end result, I now listen to
the K3 on speaker without grinding my teeth and the CM500 headphones are
perfect for my fractured hearing.

This was not always the case, recently Elecraft conducted surgery on my K3
(#679) and I have a totally different wireless (intentionally used TIC)
today to the one I purchased in 2007.

I had a TS-480S and found the DSP was mostly ineffective (to my ears) and I
had other issues with it so I sold it. As an ex-dealer for Yaesu and
Kenwood, I can say with some certainty here that their service regimen is
quite different to Elecraft and size of the companies does play a role
here. I am not going to slam any company, nor am I heaping unwarranted
praise, I know from my experience, Elecraft not only back up their products
well, they show keen interest in each customer who reports an issue and
work very hard to resolve the problem. I don't know that we can expect
more.

I think Jerry Moore is on the right track here, there are many things that
can be adjusted on a K3 and I have been shown a K3 some time ago that the
operator had lost interest in. I had a listen, made it sound like mine and
the smile on his face was great to see. I have to admit, just abut every
setting was changed, I wrote down what I had done and he is now back on air
with his K3.

The reason I won't be rushing to a K3S is simple, My K3 is too good to
sell, and I have never owned a Ham rig for this long, no need to continue
the search, I found the right tool for the job I want it to do.
73

Gary

On 11 November 2015 at 03:28, Robert Vargas-KP4Y via Elecraft <
elecraft@mailman.qth.net> wrote:

> Wow, so much for a non-kool aid question...You comments give up my friend!
> I have a K3, KX3 and TS-590. It's well documented that the nr in the K3 is
> poor and leave a lot to be desired. Also, in an effort to fix it by making
> it more adjustable, Elecraft overcomplicated its implementation. I love
> Elecraft products, but also love the simplicity and effectiveness of nr
> implementation in the TS-590 (in my opinion even better than the one in
> KX3). Regarding warranty and service, I totally agree Elecraft is hand down
> #1 in this area. However, Kenwood just fixed the ALC issue in my TS-590
> free of charge after 4 years. The question is, can I send my 3 yrs old
> (early production) KX3 to Elecraft to get all the latest
> corrections/improvements (e.g. tuning noise) free of charge. After all, I
> paid about the same amount of money that someone is paying today for a
> better product. ;) I'm a big fan of Elecraft, but resist drinking the Kool
> aid in order to encourage competition.
> Robert-KP4Y
>
>
>      On Tuesday, November 10, 2015 12:00 PM, "ae...@carolinaheli.com" <
> ae...@carolinaheli.com> wrote:
>
>
>  I'll make a few comments with information you likely already know and drop
> the thread.
> 1. audio hiss is common with the largest contributor being particles
> traversing the substrate layers of semi-conductors (you get it in tubes as
> well, just not as much). The design keys being S/N ratio, dynamic range,
> and
> gain. Any solution to remove hiss without consideration to S/N ratio and
> gain results in loss of signal level. Hard to complain about weak signal
> work if the system is degraded by mods/adjustments.
> 2. By default the K3S receive audio isn't optimal for everyone's ears and
> dynamic range. That's likely why there's an audio equalizer for both
> receive
> and transmit audio. If you've not adjusted that to optimize the audio to
> your tastes then you're missing out.
>
> I have different hearing issues in each ear. My wish is to be able to
> adjust
> left /right audio independently with both a single receiver and with the
> sub
> installed. I currently run with AFX on full delay. I usually hear 

Re: [Elecraft] Sherwood Receiver Test Data - K3S Added Today

[George Fritkin via Elecraft]

Yes, I saw that -145 truly outstanding. Now, if it could only creat some sun 
spots and open 10 meters.

73
de
George, W6GF

Sent from my iPad

> On Nov 10, 2015, at 5:10 PM, Wayne Burdick  wrote:
> 
> Bill Breeden  wrote:
> 
>> Rob Sherwood added the K3S to his Receiver Test Data page today.
> 
> 
> Yes. We're pleased to see some excellent test results, including 106 dB of 
> IMDDR3 at 2 kHz for both the 200- and 400-Hz filters. (The K3 came in at 104 
> dB for the 400-Hz filter. The 107-dB reading is within the usual +/- 1 dB 
> lab/tech repeatability figure.)
> 
> Also worthy of note: sensitivity of -145 dBm for the new Preamp 2 on 10 
> meters. This preamp is also used on 12 and 6 meters. 
> 
> I checked with Rob, and that blocking dynamic range number (>154 dB) is *not* 
> a typo. He said he saw less than 3 dB phase noise degradation at 100 kHz with 
> +19 dBm fed into the radio, and stopped at that point. I guess there's no 
> point in melting the signal combiner :)
> 
> (By the way, Rob's K3S BDR test level of +19 dBm is exactly 10 dB *higher* 
> than the preamp-OFF ADC clipping level of the 6700. With preamp ON, it would 
> clip at an estimated -11 dBm.)
> 
> 73,
> Wayne
> N6KR
> 
> 
> 
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Re: [Elecraft] Sherwood Receiver Test Data - K3S Added Today

[George Fritkin via Elecraft]

Great results Guys.  But my K3S still won't slice bread!

73
de
George, W6GF

Sent from my iPad

> On Nov 10, 2015, at 4:32 PM, Fred Jensen  wrote:
> 
> Question from a mathematics major [whose parents wanted him to be a EE]:
> 
> In a direct-sampling receiver, how do you control the input level to the ADC 
> to achieve maximum available dynamic range without clipping at the ADC?
> 
> 73,
> 
> Fred K6DGW
> - Northern California Contest Club
> - CU in the Cal QSO Party 1-2 Oct 2016
> - www.cqp.org
> 
>> On 11/10/2015 3:58 PM, Steve Ellington wrote:
>> Looks like the K3S should be above the Flex because the Flex achieved 2DB
>> higher due to:
>> 
>> Footnote Y --- "This is a testing anomaly of a direct-sampling receiver."
>> 
>> Congratulations K3S
>> Steve N4LQ
> 
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Re: [Elecraft] Which of these would make the best power supply for the K3(S)?

[George Fritkin via Elecraft]

The problem is that it still has some resistance

George, W6GF

Sent from my iPad

> On Oct 29, 2015, at 5:09 PM, Bob McGraw - K4TAX  wrote:
> 
> Sorry about my mis-typing of POWER and POWDER...  Dang,  that's  the first 
> keyboard error I've made since typing class in H.S. in 1960.
> 
> Yes conductive POWDER coating material is available, however it is more 
> expensive and more difficult to use.When I worked for the JA's ,  how 
> well I know, as we tried it with a product in an attempt to resolve an ESD 
> issue with a SONY product.
> 
> 73
> Bob, K4TAX
> 
>> On 10/29/2015 7:03 PM, George Fritkin wrote:
>> First of all, it is POWDER coating not POWER coating.  Secondly you can get 
>> conductive POWDER coating material.
>> 
>> Unusual to find such and many people do not like to use it.
>> 
>> George, W6GF
> 
> 
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Re: [Elecraft] Which of these would make the best power supply for the K3(S)?

[George Fritkin via Elecraft]

First of all, it is POWDER coating not POWER coating.  Secondly you can get 
conductive POWDER coating material.

Unusual to find such and many people do not like to use it.

George, W6GF

Sent from my iPad

> On Oct 29, 2015, at 4:49 PM, Bob McGraw - K4TAX  wrote:
> 
> It is amazing how many times I've found this to exist and how many times that 
> I've written about this on various reflectors.  The power coat paint on the 
> chassis makes for an excellent insulator.
> 
> If you have an Astron power supply and you have not checked to see that third 
> pin ground is electrically connected to the chassis, or you have not checked 
> to see that he outer shell is connected to the bottom shell, both being 
> insulated by paint..shame on you.
> 
> This applies to all Aston supplies, both linear and switching. Remove the 
> cover, remove the ground terminal where the green wire is attached, scrape 
> away the paint, place an internal tooth lock washer between the terminal and 
> chassis and reinstall the screw and nut. As to the shell, using 100#  
> sandpaper, sand away the paint on the inside for an area about the size of a 
> dime on both pieces, being the shell and pan, where the screws attach same.
> 
> 73
> Bob, K4TAX
> 
>> On 10/29/2015 4:25 PM, Jim Brown wrote:
>>> On Thu,10/29/2015 2:13 PM, Fred Jensen wrote:
>>> The intermittent problem turned out to be paint under a lug with a loose 
>>> screw.
>> 
>> That seems to be a very common problem with Astrons -- the power system 
>> "green wire" (safety ground) is soldered to the mounting lug of a terminal 
>> strip, which is insulated from the chassis by paint. This is a MAJOR 
>> violation of NEC. To make matters worse, the V- terminal is soldered to the 
>> same lug. The combination makes the unit susceptible to RFI.
>> 
>> In one of my Astrons, the two sections of the chassis are insulated from 
>> each other by paint, so the unit is essentially unshielded as well.
>> 
>> I do NOT recommend bonding V- to the chassis, so when you're fixing the 
>> paint problems, cut that jumper. There's no good reason for it.
>> 
>> 73, Jim K9YC
> 
> 
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Re: [Elecraft] External Speaker details

[George Fritkin via Elecraft]

I use a Radio Shack speaker/DSP combo.  They are a little hard to find but 
worth it.  It is a great addition for the KX3.

73
de
George, W6GF

Sent from my iPad

> On Sep 13, 2015, at 10:33 AM, Bob McGraw - K4TAX  wrote:
> 
> 
> I've had many requests for the related information pertaining to the external 
> speakers which I use.They are Realistic / Radio Shack Cat # 40-1313.
> They can be used as powered, which we do for the music system in the travel 
> trailer, and I have a 2nd pair which I use as passive here at the house.   
> There is a switch that allows for them to  be passive or use their internal 2 
> W amp.
> 
> I've always found that 5 x 7 or 6 x 9 ovals sound good.   I recall that EV 
> used eight  6 x 9 ovals in several of their professional speaker stacks.   
> These are just smaller ovals enclosed
> 
> 
> 73
> Bob, K4TAX
> K3S s/n 10,163
> 
>> On 9/12/2015 7:15 PM, Bob McGraw - K4TAX wrote:
>> I use a pair of "off the shelf" brand speakers which have 2" x 4" ovals in a 
>> nice efficient solid enclosure that is 5" deep.  They stand the same height 
>> as the K3S and are matte  black.  With the 2 channel features  and audio of 
>> the radio they sure sound nice. New, $49.95 for the pair.
>> 
>> 73
>> Bob, K4TAX
>> K3S s/n 10,163
> 
> 
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Re: [Elecraft] K3 to IC-7800 Comparison?

[George Fritkin via Elecraft]

You guys are right, the Elecraft radio are great.  But I have lots of radios 
from many manufacturers, current stuff, and Elecraft will have to keep on there 
toes to stay up there.

Sent from my iPad

> On Sep 12, 2015, at 4:57 PM, Bill  wrote:
> 
> Every now and then I will think of how many dollars I have tied up in my 
> K-Line and how it is way overkill for what I do. Then I read some of this 
> type of thread - and I am again convinced that I spent wisely.
> 
> Over 55 years on the air and the K-Line beats everything I have ever had - no 
> contest.
> 
> But, these threads are sure interesting to read.
> 
> Bill W2BLC K3-Line
> 
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Re: [Elecraft] K3 vs K3s..."to be or not to be an "s"

[George Fritkin via Elecraft]

Then again we can all live the life of poverty.  You raise excellent points, 
however we establish priorities in our life.  Thank Goodness my family can 
enjoy the good life.  (The capital "G" is not a mistake).  I have a ton of ham 
gear, and believe me there are differences.  I have a new K3S and two K3s and a 
KX3. The K3S is a masterpiece.  As an old design EE and entrepreneur Elecraft 
is a company to be admired.  As I did, these two guys are living the American 
Dream. 

God bless America

73
de
George, W6GF

Sent from my iPad

> On Sep 11, 2015, at 9:23 AM, Tom Fitzgerald via Elecraft 
>  wrote:
> 
> N1LQ-Dave...this is starting to remind me of the Apple iPhone drama...about 
> every 6 months a new iPhone comes out that's "better" than the previous one. 
> Sorta makes you wonder why they just didn't make the damn thing that way in 
> the first place, I think we all know why. I've owned all the iPhones from the 
> very first one up to the recently new 6 Plus w/128gig hard drive & now the 6s 
> Plus is out!  Honestly!!!??? I've had gripes about all of them, use to be 
> size (to small), then camera resolution, then software bugs & the OS, 
> etcetera etcetera etcetera. Getting off topic...back to the radio...I have 3 
> radios inline including a mid serial number 3,000 something K3. I paid 
> tooo damn much for all of them and am quite sure I can survive without 
> the latest & greatest version of the K3...the "s" line...ya just know that 
> some day real soon there will be the next latest & greatest K4 or some 
> nonsense out making the new K3s old news. I can think of about a hundred 
> other things I'd rather do with the  than burn it on another ham radio 
> but then again, ham radio isn't my life or my passion, it's just a hobby. In 
> the end it's a personal decision you have to make based on many factors. Do 
> you really need this new version or just want it? It sounds like you have a 
> great radio now...take a trip to the South Pacific with the wife instead is 
> my advice (at least one of you could go for the same money maybe :), avoid 
> getting that feeling of wondering why you blew perfectly good money on 
> something you really didn't need in the first place. I find that it's the 
> "wanting" that's the real drug, after you get the new "thing", it's newness 
> wears off pretty quick & then it's just the same old same old again. Skip 
> this version and wait for the next one is probably good advice too, maybe the 
> best advice, you know that it's already being thought about & it is after 
> all...inevitable. I'm staying pat until many of the physical features of the 
> radio are addressed...& they will be...eventually, the performance upgrades 
> will be in that future radio too. Don't get on the merry-go-round as I did 
> with all the different models of the iPhone, it's simply a waste of perfectly 
> good money better spent elsewhere or even invested and or saved. Just my two 
> cents! 
> 
> kd0bcf 
> 
> 
> 
>  "If the knowledge of a God is the most necessary, why is it not the 
> most evident and the clearest?”
>   -Percy Bysshe Shelley,
>  "The Necessity of Atheism" 1811
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Re: [Elecraft] Product Idea for Elecraft

[George Fritkin via Elecraft]

Sent from my iPad

> On Sep 10, 2015, at 6:05 PM, Walter Underwood  wrote:
> 
> Elecraft does make a 20W tuner and a 500W tuner, so a 100W tuner would fill 
> out that line. It could become “gateway Kool-Aid” for those who don’t want to 
> buy a new radio. Yet.
> 
> wunder
> K6WRU
> CM87wj
> http://observer.wunderwood.org/ (my blog)
> 
>> On Sep 10, 2015, at 5:59 PM, Mike Lichtman via Elecraft 
>>  wrote:
>> 
>> I second Jose's suggestion for the development of a lower power stand alone 
>> auto tuner. I love the Elecraft tuners in my KX3 and KXPA100, but want to 
>> replace my LDG tuner for my FT950 which takes longer to tune, is noisier, 
>> and won't achieve as good a tune as my Elecraft. I would like it to handle 
>> 200 watts so it has some headroom.  
>>73 Mike KF6KXG
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Re: [Elecraft] K3: Any gain with a new synth?

[george fritkin via Elecraft]

I have 2K3s and the new K3S.  The noise reduction function much better on K3S
73dsGeorge, WGF 


 On Sunday, September 6, 2015 8:35 AM, Jim Rogers  
wrote:
   

 I have my "old K3" on QTH.com, priced at what it would take to get it. 
Meanwhile it is still on my operating desk and if no one wants it, then 
it will stay right here, hooked up and ready to roll. Who knows I might 
try satellite again and a second K3 so I can run full duplex with my K3s 
works for me. I do see some advantages to the K3s as it is a bit quieter 
and I love the new audio and having the dual preamps is a plus as I work 
a lot on meteor scatter.

73 Jim, W4ATK

On 9/6/2015 8:16 AM, Bill wrote:
> Thank you for all the answers - here and email. I appreciate the 
> candidness.
>
> Unfortunately, for Elecraft, I have decided to keep my K3 as it is. In 
> my instance, I don't see enough potential improvement to justify the 
> expense and labor (considerable to get the rig to the bench and back). 
> I think it is really difficult to enhance the K3's already incredible 
> operation.
>
> But, as I said, this is in my instance (use and QTH).
>
> Bill W2BLC K-Line
>
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Re: [Elecraft] K3: Any gain with a new synth?

[george fritkin via Elecraft]

I have two K3s and now a new K3S.  I not sure the sync card makes much 
difference, but the noise reduction is now outstanding.
George, W6GF
PS: A great radio was made greater 


 On Saturday, September 5, 2015 9:39 AM, Phil Wheeler  
wrote:
   

 Bob,

I noticed an improvement right away just by tuning 
20 CW during a very active contest weekend. My 
ability to pull out weak signals was much enhanced.

But I do agree completely with you for Bill's 
purposes "I don't contest or DX - just rag chew on 
160/75/40... ".

73, Phil W7OX

On 9/5/15 7:54 AM, Chortek Bob via Elecraft wrote:
> Bill,
> I upgraded the synth and have not noticed any difference whatsoever.  That is 
> not to say there is none, only that I could not tell any difference since I 
> could not do any A/B comparisons. I am very skeptical of those who claim to 
> have noticed a difference without having done an actual A/B comparisons.  Far 
> too many factors at play.
> The K3 is a truly exceptional performer.  For your uses, you would not notice 
> any difference either, IMHO.
> 73,
> Bob/AA6VB
>
>
>
> On 9/5/2015 6:03 AM, Bill wrote:
>> My K3 is from early 2012 - ser: 62xx. I don't contest or DX - just rag chew 
>> on
>> 160/75/40 - makes a super 500 Watt station. Rarely do I touch any controls
>> other than the VFO or band switch. My QTH is very low noise - typical local
>> daytime noise level barely registers on the P3 (think S-0). Yeah, I know I, I
>> could be using something that cost far less. I enjoy the Rolls Royce!
>>
>> Now that there are a fair number of K3S rigs and modified K3 rigs in  the
>> field - there should be something for me to learn from the users.
>>
>> Considering my use of the K3 and my QTH - what would I gain by installing the
>> new synth  (KSYN3A) in the existing K3? I am looking for real-world 75 meter
>> LSB experience. Wife says go for the K3S if I want to, but I think it is
>> overkill for what I do. Yankee cheap I guess.

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Re: [Elecraft] [K3] My K3 needs pimping

[George Fritkin via Elecraft]

I have several radios with dual receive, and I have several radios with a 
spectrum scope, and several radios that have both.  

My vote is the spectrum scope.  When you are saving your pennies for a second 
radio, save some more and buy a second radio. There is nothing like SO2R

George, W6GF

Sent from my iPad

 On Mar 9, 2015, at 2:25 PM, Jim Brown j...@audiosystemsgroup.com wrote:
 
 On Mon,3/9/2015 9:24 AM, Don Putnick via Elecraft wrote:
 Should my next purchase be a subreceiver or a panadapter, and why?
 
 Buy the P3 first. Both are useful. My primary use for the 2nd RX is diversity 
 reception, which requires two antennas. It's most useful on the lowest bands, 
 especially 160 and 80, but also on 40. I also use it to listen on my TX 
 frequency when running split in a pileup. That way, I know if there's a QSO 
 there. I can also time my calls with another station in the same pileup on 
 that frequency.
 
 The P3 gives you a nice overview of the pileup, it allows you to monitor a 
 dead band for activity (like 10M, 6M), it helps you identify RFI, it can 
 even show you the bandwidth of dirty signals. In the E30FB pileup on 15CW 
 this morning, K7RR was clicking almost 2 kHz wide, and the P3 clearly showed 
 it.
 
 On 6M, I set the P3 for 200 kHz (max width), to display 50.08 MHz to 50.280 
 MHz. This lets me monitor for CW, SSB, and JT65/JT9 activity. I've picked up 
 a lot of rare grids in short openings that way. Last fall there was an 
 opening to CX and PY I made four Qs in three grids!
 
 73, Jim K9YC
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Re: [Elecraft] Synth card order status

[George Fritkin via Elecraft]

My only question is why?  My Porsche is more capable than my driving skills

So is my are my K3s more capable than my ham skills

George, W6GF

George, W6GF

Sent from my iPad

On Feb 25, 2015, at 5:32 PM, Bayard Coolidge, N1HO via Elecraft 
elecraft@mailman.qth.net wrote:

 We had a HUGE number of orders for these over the weekend (and continuing 
 into  this week.)
 Eric
 elecraft.com
 
 I'm glad to read this, this evening (ET), so that I could send an e-mail to 
 thesales team, asking them to augment my previous order to include a couple 
 ofKBPF3's and a KXV3A.
 I'm sure that the entire team is under a huge workload this month as a 
 resultof the KSYN3AUPG announcement, and I just hope everything goes smoothly 
 for them.
 73,
 Bayard R. Brandy Coolidge, N1HO
 
 
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Re: [Elecraft] Upgrading to the new Syn Card -- is there a noticable change?

[george fritkin via Elecraft]

It is not worth the time and effort, forget the cost, to upgrade
George, W6GF 

 On Tuesday, February 24, 2015 8:42 AM, KENT TRIMBLE k9...@socket.net 
wrote:
   

 Considering the time and effort to make them happen, all Elecraft 
upgrades are worth it.

Whether you want to own an upgraded radio or a downgraded radio is 
up to you.

Kent  K9ZTV



On 2/24/2015 8:00 AM, someone wrote:
 Do you think the upgrade was worth it?

  



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Re: [Elecraft] Sherwood Engineering Tests

[George Fritkin via Elecraft]

How about this. Forget the upgrade, save the money, sell your dual RX K3 and 
buy the FLEX...then you are #1

George, W6GF

Sent from my iPad

 On Feb 24, 2015, at 6:11 PM, Phil Wheeler w...@socal.rr.com wrote:
 
 Of course not, Jim -- but most of us didn't *need* to buy Elecraft either :-)
 
 Staying at the head of the pack does take the upgrade.  But I cheated: With 
 only one usable ear, no Sub RX to upgrade!
 
 Phil W7OX (in Torrance)
 
 On 2/24/15 5:35 PM, Jim Lowman wrote:
 First of all, congratulations to Elecraft for raising the bar (or at least 
 jumping higher) to get to Sherwood ranking #2!
 
 This sort of begs the question that I failed to ask when these upgrades were 
 announced - do I really need to upgrade?
 In other words, who is the intended user of this lofty technology?
 Will it really improve the performance of my K3 that I can see (hear), or 
 would I be paying about $200 x 2 (I have the second RX) for performance that 
 can be measured only with precision lab instruments?
 
 73 de Jim - AD6CW
 
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Re: [Elecraft] A way to show both SPLIT and NON-SPLIT warnings

[george fritkin via Elecraft]

Why don't we get on with life.  Split operation is implemented  many ways by 
different manufactures.  Proper split operation is a combination of radio and 
operator skills.  We can do some things on the radio to improve operation, but 
we can not change operator skills.
As I said, optimum split operation requires two radios.  Single radio split 
brings into the equation many variables.  Those who can afford multi-radio 
operation, try it. And the second radio does not have to be a real high 
performance rig. Just make sure the TX portion has a good speech processor.
George, W6GF 

 On Thursday, February 19, 2015 8:23 AM, Wayne Burdick n...@elecraft.com 
wrote:
   

 
On Feb 18, 2015, at 8:18 AM, Mike Reublin NF4L n...@comcast.net wrote:

 If it's an option, OK, but I am convinced that if an op misses the existing 
 two indicators on the LCD display, and the Δf yellow LED, then more 
 indicators aren't gonna help. And I am unanimous in my opinion.

:)

Well, I'm not sure I agree. Yes, there are three indicators, but they're all 
quite small, and the delta-F LED is off to the side. These methods of 
indicating split all seemed like a great idea at the time, but even I miss them 
sometimes, so I'm interested in trying something else. 

My proposed split and non-split text indications might solve the didn't 
see the indicators problem, because they occupy so much more area of the front 
panel (about 20 times more). That seems to be the crux of the issue: a lot of 
operators want something *BIG* to change stage when they transmit, and that 
something has to indicate whether they're in split or not. 

This method also works whether you're doing real split (RX on VFO A, TX on 
VFO B) or sub-RX implied split (TX on VFO A, RX with sub on VFO B).

Wayne
N6KR

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Re: [Elecraft] A way to show both SPLIT and NON-SPLIT warnings

[George Fritkin via Elecraft]

Wayne, I have it!!  Buy the rights to the Kenwood TS990 front panel.  There are 
enough buttons and displays to make anybody happy.  Gee Whiz

George,W6GF

Sent from my iPad

 On Feb 18, 2015, at 8:29 AM, Phil Wheeler w...@socal.rr.com wrote:
 
 The fact that the K3 has the blessings of Cognitive Science is most 
 reassuring, Wayne. :-)
 
 Phil W7OX
 
 On 2/18/15 8:00 AM, Wayne Burdick wrote:
 User interface design is often called upon to make up for human failings. We 
 get distracted, we forget, we have trouble breaking bad habits, we easily 
 acquire new ones. This is true no matter how much training we have. The 
 designer tries to take such issues into account up front, but sometimes we 
 find out later and make adjustments.
 
 My cognitive science professor, Don Norman, put a heavy emphasis on 
 embedding knowledge in the world. Signs and indicators need to be as 
 unambiguous as possible to help those of us who can't or won't pay 
 attention. Ideally the indications are intuitive, so users adapt to them 
 easily and don't feel oppressed by them. That distinction is in play here. 
 And while I'd love to add a dozen more LEDs, a klaxon horn, and a Van de 
 Graf generator to the K3's user interface, we have to work within the limits 
 of the existing hardware.
 
 Providing an optional means of reinforcing split/non-split state is in the 
 tradition of design iteration -- using feedback about real errors that 
 people make, then minimizing them. That's why we're having this conversation.
 
 Wayne
 N6KR
 
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Re: [Elecraft] A way to show both SPLIT and NON-SPLIT warnings

[george fritkin via Elecraft]

I make it easy. I use two radios.
George, W6GF 

 On Wednesday, February 18, 2015 8:55 AM, Wayne Burdick n...@elecraft.com 
wrote:
   

 User interface design is often called upon to make up for human failings. We 
get distracted, we forget, we have trouble breaking bad habits, we easily 
acquire new ones. This is true no matter how much training we have. The 
designer tries to take such issues into account up front, but sometimes we find 
out later and make adjustments.

My cognitive science professor, Don Norman, put a heavy emphasis on embedding 
knowledge in the world. Signs and indicators need to be as unambiguous as 
possible to help those of us who can't or won't pay attention. Ideally the 
indications are intuitive, so users adapt to them easily and don't feel 
oppressed by them. That distinction is in play here. And while I'd love to add 
a dozen more LEDs, a klaxon horn, and a Van de Graf generator to the K3's user 
interface, we have to work within the limits of the existing hardware.

Providing an optional means of reinforcing split/non-split state is in the 
tradition of design iteration -- using feedback about real errors that people 
make, then minimizing them. That's why we're having this conversation.

Wayne
N6KR




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Re: [Elecraft] W3FPR

[george fritkin via Elecraft]

This reflector is a wealth of information and extremely useful.  I just wish 
that it is not used for wild off topic subjects.
George, W6GF 

 On Monday, February 9, 2015 9:22 AM, John Wingard jwin2...@bellsouth.net 
wrote:
   

 I may be the only one that has done this, but over the past dozen years or so 
that I've been on this list, I have printed out many of Don's troubleshooting 
suggestions and solutions, punched them and put them in a 3-ring binder. I have 
two binders right now that are full, and have started on a third. They are 
almost like having a service manual when and if I ever need them. Don is 
definitely a treasure!


73 de WB4GLJ




 From: Phil Hystad phys...@mac.com
To: Phil Wheeler w...@socal.rr.com 
Cc: elecraft@mailman.qth.net 
Sent: Monday, February 9, 2015 12:06 PM
Subject: Re: [Elecraft] W3FPR
 

Another kudos report...

I have always been impressed by Don's comments and his wealth of knowledge and 
his absolute encyclopedia knowledge of not only the innards and design of the 
K2 but knowledge of most problems that happen to the K2 and their solutions.  
Now, I don't
have a K2 but every now and then I think of buying the K2 kit knowing that 
there is safety in having Don around to answer
questions that likely would arise.

73, phil, K7PEH


 On Feb 8, 2015, at 8:16 PM, Phil Wheeler w...@socal.rr.com wrote:
 
 Aside from the social skills Ted has lauded in Don, he's also one of the most 
 valuable fix-it resources for Elecraft transceiver owners. He's sure been a 
 help to me several times over the years (1999 to present) I've been working 
 on and with Elecraft gear.
 
 Kudos to Don :-)
 
 73, Phil W7OX
 
 On 2/8/15 7:57 PM, Dauer, Edward wrote:
 I want to acknowledge publicly someone who is one of the principal pillars
 of this reflector.  This may embarrass Don, whose modesty is utterly
 graceful, though my purpose is not to embarrass but to thank.
 
 This past weekend I was in 4-land visiting my son and his family.  Sonny
 surprised me by taking his Old Man to the Richmond (VA) Hamfest, a
 selfless filial act if there ever was one.  But there was the Elecraft
 booth; and manning it was Don, W3FPR.  When I saw his name/call tag I had
 to introduce myself.  What followed was a memorable, helpful, and
 altogether delightful eyeball QSO with a truly First Class ham.
 
 Thanks, Don; here¹s to you.
 
 Ted, KN1CBR
 
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Re: [Elecraft] LDMOS for QRO [OT]

[george fritkin via Elecraft]

Water cooling is OK for QRP.  A friend of mine was building a special contest 
amplifier.  He was working out the cooling which presented a problem because of 
the heat involved.  I suggested using an upright type freezer and put amp in 
the freezer,  It worked great!!
George, fritkin 

 On Sunday, December 14, 2014 3:55 PM, Mel Farrer via Elecraft 
elecraft@mailman.qth.net wrote:
   

 Good point David,
I have seen an industrial RF amplifier heat sink made out of a 1/4  copper 
plate married to a aluminum water cooled plate.  Ran on a simple 120 VAC pump 
to a 5 gal tank, like my 5KW Bird water cooled dummy load that uses a total 
water waste system does the same dissipation.  As I remember, many years ago, 
it was rated at removing 5KW of heat.  I know should have the BTU but I don't 
remember.  
Mel, K6KBE

      From: David Cutter d.cut...@ntlworld.com
 To: elecraft@mailman.qth.net 
 Sent: Sunday, December 14, 2014 3:32 PM
 Subject: Re: [Elecraft] LDMOS for QRO [OT]
  
I'm a little surprised that folks in this group haven't suggested liquid 
cooling for this modest application.  Semiconductor cold plates have been 
around for a long time, are economical to use and in my view a much better 
solution than forced air cooling.  They are compact, quiet, require far less 
cabinet space, keep junctions cooler and more stable than air could ever and 
enable higher reliability.

Look at Aavid for instance, whose devices I used on many occasions:
http://www.aavid.com/sites/default/files/products/liquid/pdf/liquid-cold-plate-datasheet-hicontact.pdf

If you play your cards right, you can cool the amplifier and the power 
supply on a short 4-pass plate.  Put the heat somewhere convenient, not in 
your shack.

73

David
G3UNA

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Re: [Elecraft] OT: Contesting / DXing practices

[george fritkin via Elecraft]

I am shocked to see people that believe you can legislate social behavior. Heck 
there are laws  against murder, but people still do it
George, W6GF 

 On Tuesday, December 2, 2014 11:18 AM, Milverton M. Swire via Elecraft 
elecraft@mailman.qth.net wrote:
   

  It is really irritating to get stomped on by some jerk(s) running several 
  hundred watts to talk when they're less than 200 miles away, as happens 
  here in southern AZ. 
Did he had his mic gain turn way up, and his compression equally as high , so 
he could get more PUNCH?! 

73 Milverton /W9MMS

      From: Thorpe, Jeffrey jtho...@liberty.edu
 To: Elecraft Reflector elecraft@mailman.qth.net 
 Sent: Tuesday, December 2, 2014 8:02 AM
 Subject: Re: [Elecraft] OT: Contesting / DXing practices
  
The band plans work better when operators actually abide by using only the 
power required to make contact. In fact, the band plans might much less 
important if operators would bother to follow the power rule.
Friends and I, who do happen to live fairly close, can (and do) actually talk 
using .1-.2W (yes, those are decimal points) on 40m, NVIS. It is really 
irritating to get stomped on by some jerk(s) running several hundred watts to 
talk when they're less than 200 miles away, as happens here in southern AZ.

Jeff - kg7hdz



 On Dec 1, 2014, at 6:05 PM, Harry Yingst via Elecraft 
 elecraft@mailman.qth.net wrote:
 
 I would say to use the Bandplan of the country that you are licensed in 
 it is a simple matter of courtesy to be considerate of those who do not care 
 to contest 
 
 
      From: brian als...@nc.rr.com
 To: Harry Yingst hlyin...@yahoo.com 
 Sent: Monday, December 1, 2014 4:45 PM
 Subject: Re: [Elecraft] OT: Contesting / DXing practices
 
 Harry,
 
 Which bandplan?  There are many.  EU bandplans are different from Asian 
 band plans for example.    There are also many groups/modes/nets etc who 
 plop themselves down anywhere and declare that frequency theirs.  Then 
 they bemoan interference?
 
 If you really look at the band plans, it would take a superhuman to 
 avoid all the little niches.
 
 Also what you see is a reflection of too little space available. RTTY 
 contests are a good example.  Do you really think it can be constrained 
 to be within 14080 and 14090?
 
 73 de Brian/K3KO
 
 On 12/1/2014 21:15 PM, Harry Yingst via Elecraft wrote:
 I would also like to add pay attention to the bandplan
 Many are NOT contesting and it spoils there enjoyment when contesters 
 encroach on them while they are operating.
 Examples: CW or RTTy being run on top of the JT65 Guys or SSB Voice on top 
 of the SSTV guys.
 
 
 
 
        From: Ken G Kopp kengk...@gmail.com
  To: j...@audiosystemsgroup.com; elecraft@mailman.qth.net
  Sent: Monday, December 1, 2014 3:01 PM
  Subject: [Elecraft] OT: Contesting / DXing practices
    
 Jim is speaks the truth.
 
 While the premise of beginning a transmission with DE ... or the called
 station's call ... may be correct, in practice it assures one first place
 in the lid line.
 
 5NN is the only cut number that's acceptable to me, too.
 
 In the contesting arena time is all-important!  Seconds saved count.  FD,
 especially, brings out every lid-ism.  It's actually easy to have one ...
 or more ... contest QSO's while waiting for a please copy my number.  Add
 another QSO in the log for good luck in the contest babble.
 
 73
 
 Ken Kopp - K0PP
 On Dec 1, 2014 11:30 AM, Jim Brown j...@audiosystemsgroup.com wrote:
 
 On Mon,12/1/2014 5:52 AM, d...@lightstream.net wrote:
 
 But PLEASE DO develop the habit of using the characters DE to preface
 the sending of your callsign, whether calling CQ or in exchange with
 another station.
 NO, NO, NO! (CAPS added for emphasis). When a contester (or DXpedition) is
 running (calling CQ), we EXPECT to hear YOUR callsign, and we start typing
 that call in the entry window. Lots of calls begin with D, so when someone
 sends DE, we must backspace. DON'T send his call first -- he knows his call
 -- only send yours. Same problem with typing. Further, sending the old CW
 elements like DE, K, KN, and QSL during a contest are time-wasters
 equivalent to please copy on SSB. Most good contesters use TU or R
 and end a QSO by sending TU followed by their callsign.
 
 Another rule -- NEVER resend anything that the other station has copied
 correctly. If the other station sent your call correctly when he responded
 to you, don't send it again. Send it again ONLY if you think he got it
 wrong.
 
 Count me among those who HATE cut numbers other than for 5NN.
 
 73, Jim K9YC
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Re: [Elecraft] KX3 Questions

[George Fritkin via Elecraft]

Still being sold

George, W6GF

Sent from my iPad

 On Nov 1, 2014, at 5:17 AM, Charlie T, K3ICH pin...@erols.com wrote:
 
 All the TE Systems amps I have that are rated for ten watts input will 
 develop full, or very close to full rated power output with 3 watts drive.
 
 73, Charlie k3ICH
 
 
 - Original Message - From: Jim Brown j...@audiosystemsgroup.com
 To: elecraft@mailman.qth.net
 Sent: Saturday, November 01, 2014 2:06 AM
 Subject: Re: [Elecraft] KX3 Questions
 
 
 On 10/31/2014 9:19 AM, Phil Hystad wrote:
 But, if you are wanting to do weak signal work with CW, SSB, etc. then the 
 2M option is a very good cost item and worth the small increment of $.
 
 Yes, IF you can find a good amp that drives with the 3W or so that the 2M 
 transverter produces. There was an '80s vintage Mirage 2W In, 150W out brick 
 that did that, and I have one (but there's no way I'd sell it). :)
 
 73, Jim K9YC
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Re: [Elecraft] Antenna question

[george fritkin via Elecraft]

Alpha Delta LB-PLUS.  they are  tough and work great
 
George, W6GF 


On Friday, October 17, 2014 1:45 PM, david beckwith david.beckw...@att.net 
wrote:
  


Just moved and my K3 needs a new antenna. My only option is to run a wire 
antenna over my roof--I have about 110-120 feet to play with and I can get one 
end up off the ground 25 feet and the center and other end about 35 feet. Any 
ideas?  Or references to an antenna group that can help?  Thanks Bunches and 73
Dave K6CGE
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Re: [Elecraft] Help! Rescue me from stupid error!

[george fritkin via Elecraft]

There is nothing mechanical about a ZNR.  The electrical equivalent is back to 
back Zener diodes with a capacitor.  Some people call them Transzorbs or MOVs 
to get by trade marks.  The ZNR is a Panasonic trade mark

George, W6GF


On Tuesday, September 9, 2014 10:54 AM, Charlie T, K3ICH pin...@erols.com 
wrote:
 


A 'ZNR is a Zinc Oxide non-linear Resistor.  It is the mechanical 
equivalent of a Zener Diode.  It is a bidirectional (AC) device that will 
conduct when a certain level of voltage is applied across it.  They don't 
typically have as sharp a knee as a real Zener, but are very effective for 
what they do.  Basically , a voltage surge or transient  protector. 
Hopefully, they worked but are probably blown and should be replaced.

As for the rest of the stuff, I'm sure you'll find some more (inexpensive) 
things to replace and the system will come back to life.

Good Luck on the repair, Charlie k3ICH


- Original Message - 
From: Vic, K2VCO k2vco@gmail.com
To: Elecraft Reflector elecraft@mailman.qth.net
Sent: Tuesday, September 09, 2014 1:23 PM
Subject: [Elecraft] Help! Rescue me from stupid error!


I just did one of the dumbest things I've done since I tried to swim across 
the Susquehanna river with all my clothes on. I survived that, but I need 
help with something else.

 I just turned on a computer plugged into 230v with the switch on the power 
 supply set to 115v. Result: bang, smoke, house breaker (16a) pops.

 I took the power supply apart (it is a funny size so I have little 
 confidence I could replace it). I found two obviously bad components: 1) 
 an 8a fuse -- no problem. 2) something marked znr1 on the board, a 
 component wrapped in heatshrink tubing. It was completely destroyed. Next 
 to it is a similar part labeled znr2. I haven't removed it yet -- 
 so I am not sure it is good. It might be the same as the first one and it 
 might be marked under the heatshrink.

 There is a bridge rectifier nearby which checks good. All traces look ok. 
 I am hoping there is someone out there who is familiar with these supplies 
 who can suggest what these are (zener diodes? What voltage?)
 The board is made in such a way that it is difficult to trace the 
 wiring -- but these parts are right near the power input.

 -- 
 Vic, K2VCO/4X6GP
 Rehovot, Israel
 http://www.qsl.net/k2vco/
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Re: [Elecraft] KX3 for SWLs?

[George Fritkin via Elecraft]

Wouldn't the fact that the bandwidth is much more narrow in the KX3 than your 
typical SW RX.  So AM is much better SSB probably better (speaker used not 
mentioned). A lot of SW radios copy FM radio stations, hence better fidelity.  
The signal strength maybe just apparent because the Signal + Noise is greater

My 2 cents worth, I'd give more but I have spent my money with Elecraft

George, W6GF


Sent from my iPad

 On Aug 18, 2014, at 8:59 AM, Wayne Burdick n...@elecraft.com wrote:
 
 The Grudig has more gain because it is designed to be used with a short whip. 
 The KX3 is built for high dynamic range with full-size antennas, so it will 
 perform better with a long wire, dipole, vertical, etc., cut for the band in 
 use. 
 
 But if you have no choice but to use a short whip with the KX3 sometimes, you 
 can increase the PREAMP menu setting to 30 dB (a per-band setting).
 
 73,
 Wayne
 N6KR
 
 
 
 
 
 On Aug 18, 2014, at 7:46 AM, Chris Chien auspicious3...@gmail.com wrote:
 
 Someone said the KX3 makes a descent shortwave receiver using telescopic
 antenna.
 I connected a whip antenna with loading coil for 20m, and compared the
 performance side by side to a Grundig G3 shortwave radio. The latter was
 using its own internal telescopic antenna.
 However, the G3 radio turned out to be better than the KX3 in terms of both
 signal strength and clarity on SSB and AM.
 Is this normal for KX3? Has anyone ever tried using the KX3 with a simple
 whip?
 
 73,
 AC9FU
 Chris
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Re: [Elecraft] Slow-scan TV (SSTV) display on the P3 and PX3?

[george fritkin via Elecraft]

I will say it one more time.there are more hams trying for DXCC on 
1.2GHZ than operate SSTV
 
George, W6GF 


On Sunday, August 17, 2014 6:01 AM, Fred Jensen k6...@foothill.net wrote:
  


On 8/15/2014 2:56 PM, Wayne Burdick wrote:
 Hi all,

 Is SSTV demodulation/display something we should add to the long term
 wish-list for our panadapters? I hear SSTV signals in the 20-meter
 SSB segment pretty regularly, and I think it would be nice to
 eavesdrop on the visuals, in living color, with all the HF-induced
 idiosyncrasies. But we won't bother with this if I'm the only one
 who's interested.

You might try MMSSTV or MixW and just monitor 14230 for awhile before 
putting any engineering effort into it.  I let MixW run on 14230 all one 
weekend and then went back and looked at some of the images [MixW saves 
all received images].  A surprising number [like half] were unanswered 
CQ's with pictures of scantily clad women.  I haven't checked it in a 
number of years.

There are some digital SSTV signals starting around 14233 or so ... I 
don't know anything about them.

 If we did consider adding SSTV, we'd need to decide which SSTV
 format(s) to support. If there's just one that's reasonably
 universal, great. I'm pretty sure we'd start with just one, given
 limited engineering time.

There's a half dozen or more analog modes, most of what I decoded was 
one of the Scottie's [there are several].  I suspect that, to be 
attractive, your software would need to decode the digital burst at the 
beginning and auto-select the mode like MixW does.

We all get to use whatever modes we want ... personally, I was bored by 
SSTV and haven't looked at it in years.  YMMV however.

73,

Fred K6DGW
- Northern California Contest Club
- CU in the 2014 Cal QSO Party 4-5 Oct 2014
- www.cqp.org

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Re: [Elecraft] KXPA100 Thermal Fault

[george fritkin via Elecraft]

Why not run it at 50 watts and give up the 3db.  Probably will not make a 
difference in number of contacts and your thermal problem should go away.  Also 
what is SWR
 
George, W6GF 


On Sunday, July 20, 2014 4:23 PM, Bert via Elecraft elecraft@mailman.qth.net 
wrote:
  


I used my KX3/KXPA100 in the NAQP RTTY contest this weekend. The KX3 with  
added-on heat sink worked very well; however, the KXPA100 repeatedly faulted 
with HI TEMPERATURE indicated on the KX3 at full output after prolonged  
operating (lots of CQ'ing with short pause intervals). PA.X temp indicated at 
failure was around 60C...as it should. Shack temperature was around 70 
degrees  F
Yes, I know all about digital modes and full power stressing amplifiers,  
etc. What I want to know is how to mitigate this interruption yet run full  
output. To that end, I have a couple ideas: what if I mounted the amp 
vertically  so the heatsink fins drew cooler air through themselves via 
convection?  Secondly, would a couple muffin fans mounted atop the cooling fins 
do 
the job? 
The net of this is that I'd like to enjoy the full benefit of having a  
high-quality 100-Watt amplifier, regardless of mode or key-down time.

Bert N4CW/K1IMI
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Re: [Elecraft] Weller WTCPT soldering sta....?

[george fritkin via Elecraft]

The best

George, W6GF


On Thursday, June 5, 2014 10:48 AM, Nr4c n...@widomaker.com wrote:
 


Is this a good gen purpose soldering station?  Good or bad?

Sent from my iPhone
...nr4c. bill

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Re: [Elecraft] KPA500 question

[george fritkin via Elecraft]

The difference is .10Log1500/500..
 
George, W6GF
On Wednesday, May 7, 2014 7:37 AM, AG0N-3055 mcduf...@ag0n.net wrote:
  

 Is there a tremendous difference between legal limit and about half of it

One third, not a half.  The KPA is 500W.  Legal limit is 1500W.

Gary
-- 
http://ag0n.net
3055: http://ag0n.net/irlp/3055
NodeOp Help Page: http://ag0n.net/irlp
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Re: [Elecraft] (no subject)

[george fritkin via Elecraft]

Who needs two receivers when you can buy two complete radios (TS590s) for the 
price of the Elecraft

George, W6GFOwing 2)K3s .1)KX3AND 1)TS590S


On Thursday, May 1, 2014 11:55 PM, W0MU Mike Fatchett w...@w0mu.com wrote:
 
The 590 has some short falls.  No 2nd receiver, some issues on 10m.  
Only one roofing filter.

I owned a couple of FT-2000's and they were easy to use.  Looked pretty 
cool but had some serious performance issues in the receiver.  Sold them 
and got a K3 and then another one.

Most reflectors and groups deal with issues and problems.  I try not to 
get too involved with the negatives about what I own.

Mike W0MU

On 5/2/2014 12:24 AM, K8JHR wrote:
 His question is ...

 Why have some operators sold their TS-590s to buy a K3?

 Only one who has sold a TS-590 to purchase a K3 is competent to answer 
 and state his reason for doing that.

 I am almost similarly situated as the original inquisitor... I 
 recently sold my 590 and now seriously consider buying a K3, but I am 
 still on the fence, planning to test drive the K3 as soon as possible.

 Why did I sell my 590 to consider buying the K3?   The 590 is a solid 
 performer, and I enjoyed using it, and while my rig had no issues, I 
 sold it because I did not enjoy the overall 590-ownership-experience, 
 and although it is too complicated to explain fully here, I will say I 
 was sick of too many other owners whining and expecting perfection 
 from a $1500 radio, basing many complaints on unfounded or fanciful 
 claims, paranoid delusions, and unreasonable expectations.  I just got 
 sick of it, and of being asked by other hams about this and that so 
 called issue or problem I was not experiencing, so it was no fun 
 to own.

 So, I bought a Orion II and now considering buying a K3, both of which 
 radios seem free from that sort of nonsense.

 That's my reason, anyway.

 ---  K8JHR  --

 On 5/1/2014 9:32 PM, Richard W Hemingway wrote:
 Hello everyone,

 I am a newbe and am selling my Kenwood TS 590s to buy a K3.  I am 
 wondering how many of  us have had a 590 and come to a K3 and why?  
 Thanks

 DIck N5XRD
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Re: [Elecraft] [KX3] OT: NVIS with KX3

[george fritkin via Elecraft]

Since you are going to operate only one band, why not a resonate dipole.   40 
meters should be ok and the antenna is only 66 feet long.   The added benefit 
is no antenna tuner needed.   You will find shortened antennas like the 
Buddipole are not that efficient.  I would suggest that before the trip, try a 
couple of different configurations locally with your friends using 40 meters as 
a test,

73
de
George, W6GF
On Thursday, April 24, 2014 8:43 AM, Wayne Burdick n...@elecraft.com wrote:
 
Hi Johnny,

On 40 meters, I work all over the West Coast (0-1000 miles north/south) during 
the daytime with 5 to 10 W. The antenna is a random-length OCF dipole about 15' 
off the ground. I'm not sure how many clouds I'm burning, but many of the 
stations I work are short- and medium-range. I think this should work in your 
situation.

Wayne
N6KR


On Apr 23, 2014, at 9:03 PM, Johnny Siu vr2...@yahoo.com.hk wrote:

 
 Hello elecrafters,
 
 It is off topic and you may wish to press 'del' button now.
 
 Local ham clubs together with some hams in the China Mainland are going to do 
 some drilling in ARES within the Pearl River Delta area (with a radius of 
 about 50km).  NVIS could be one of the operation to trial run for ARES.  My 
 questions are:
 
 1.  Is the power output say 10w from KX3 good enough for such purpose under 
 SSB? We don't want CW which requires training operators.  Phone mode can be 
 operated by anyone with minimal guidance (a simulation under emergency).
 
 2. During day time, is 40m a proper band to use (no 60m band in ITU Region 
 3)?  If yes, what will be usually frequencies used such proposes?
 
 3.  I am going to use Buddipole for the NVIS antenna.  Did you go good 
 results for similar operation in the past?
 
 Looking forward to your advice and thanks in advance.  Please reply 
 off-the-list so as to save the bandwidth here.
 
 73
 
 Johnny VR2XMC
 
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[Elecraft] Field day radio

[george fritkin via Elecraft]

Time is coming for field day.  I operate as a one op, solar power usually from 
a not very populated state.  Last year it was Wyoming, this year maybe in VE 
land some place.

Lets get to radios.  Last year it was one of my K3s and I did well.  I try to 
run 5watts for the multiplier, but if conditions are bad I'll use 100 watts and 
take the lower multiplier and shorter battery life

This year I am fortunate to have a KX3 and KXPA100, but I also have a Ten-Tec 
Argo Vl and the 418 amp.    If any of you guys have both,which combo would you 
take,
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Re: [Elecraft] Field day radio

[george fritkin via Elecraft]

Stupide me.  I sent the email before I signed it!!!

George, W6GF
On Thursday, April 24, 2014 9:25 AM, george fritkin georgefrit...@yahoo.com 
wrote:
 
Time is coming for field day.  I operate as a one op, solar power usually from 
a not very populated state.  Last year it was Wyoming, this year maybe in VE 
land some place.

Lets get to radios.  Last year it was one of my K3s and I did well.  I try to 
run 5watts for the multiplier, but if conditions are bad I'll use 100 watts and 
take the lower multiplier and shorter battery life

This year I am fortunate to have a KX3 and KXPA100, but I also have a Ten-Tec 
Argo Vl and the 418 amp.    If any of you guys have both,which combo would you 
take,
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Re: [Elecraft] Field day radio

[george fritkin via Elecraft]

All great tips so far.  I know this is an Elecraft group, but can we all get 
along.   Both have merits

Keep the suggestions coming.  

As I said last year I was in some obscure county in Wyoming.  I was like a DX 
station in a pile up.

George, W6GF

Thanks for the info
On Thursday, April 24, 2014 10:47 AM, Jim Brown j...@audiosystemsgroup.com 
wrote:
 
On 4/24/2014 9:25 AM, george fritkin via Elecraft wrote:
   If any of you guys have both,which combo would you take

The last two Field Days I've been part of a group that runs either 1A 
battery or 2A battery from solar power, and we run 5W. Although there 
are several KX3s in the group, we choose to run K3s so we can use P3s. 
The K3s need a bit more current than the KX3s, so if you're pinched for 
solar power, the KX3 would be the better choice. Also, I'm a member of a 
big contesting club, and several of our members report that the KX3 
performs quite well in a contesting environment.

One important caveat though -- don't even think of running SSB QRP on 
Field Day. We learned that the hard way last year. We could run rates of 
70 Qs per hour on CW, but were lucky to do 5 an hour on SSB.

73, Jim K9YC



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Re: [Elecraft] Elecraft UPS deliveries

[george fritkin via Elecraft]

OK   OK   OK ...Little to do with Elecraft.Moderator cut 
this thread off

Yes I have a delete button and yes I know how to use it

George, W6GF
On Wednesday, April 23, 2014 8:28 AM, Lynn W. Taylor, WB6UUT 
k...@coldrockshotbrooms.com wrote:
 
For USPS Priority, they usually deliver in 2 or 3 days, and they're 
trying to get more predictable.

No Guarantees.  I've had Priority Mail packages take weeks, but that's 
unusual.  It's a great service for the price.

UPS will tell you the exact day, and the package will arrive that day.

Amazon ships from many warehouses, and I'm sure they have one in New 
York state -- the package doesn't have that far to go once the order is 
placed.

Elecraft is in California.  A ground package is going to stay on the 
ground all the way.

You can check the UPS zone chart because the zone number is the number 
of days in transit.

On 4/23/2014 6:47 AM, Joe Subich, W4TV wrote:
 USPS Priority Mail delivers to any address in the US six days a week
 and retail prices are generally 15 to 20% less expensive than UPS Brown
 (Ground). 

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