Re: [Elecraft] K3 frequency accuracy versus displayed precision

Paul Kirley wrote: The K3 is capable of displaying frequencies to 1 Hz. It can be calibrated to somewhat less than 1 Hz against WWV (method 2). Because I wanted to see if my K3 serial 1322 was capable of measuring frequency to its displayed precision, I decided to attempt the November 11/12 ARRL

[Elecraft] Elecraft P3

Is this still slated to be out by year end? __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by:

Re: [Elecraft] Elecraft P3

In a recent message, Brett Howard br...@livecomputers.com wrote ... Is this still slated to be out by year end? Yes, but I don't think anyone said which year ;-) 73 -- David G4DMP Leeds, England, UK -- __ Elecraft mailing list

Re: [Elecraft] Elecraft P3

Believe Wayne said Jan now 73 de M0XDF, K3 #174 -- The high minded man must care more for the truth than for what people think. -Aristotle, philosopher (384-322 BCE) On 17 Nov 2009, at 10:20, David Pratt wrote: In a recent message, Brett Howard br...@livecomputers.com wrote ... Is this still

[Elecraft] OFF topic-DX Summit

Anyone having a problem with DX summit? Phil K8MBY __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted

Re: [Elecraft] OFF topic-DX Summit

Yes, few days ago and I was obliged to check the cluster via HB9DRV website. Today apparently no problem on my side 73's Philippe A65BI Phillip Buckholdt k8mb...@wadsnet.com 17-11-2009 15:58 Anyone having a problem with DX summit? Phil K8MBY

Re: [Elecraft] OFF topic-DX Summit

Hi Philippe I use Prolog logging program and the DX summit monitor window shows multiple spots being sent for the same station. However, my spot window seems OK. Thanks for your input Philippe. 73 Phil K8MBY - Original Message - From: Philippe Trottet trot...@unhcr.org

[Elecraft] K3 AM Audio update!

I want to thank everyone who helped me with ideas on how to improve my AM audio. I was running only 35/40 percent modulation with a strong carrier, using official version 3.14 s/w. Hector, AD4C was kind enough to help me install 3.38 last night with a file he sent me. Today on AM, everyone said,

Re: [Elecraft] K3 frequency accuracy versus displayed precision

Guys, I've mentioned this caviet before: http://n2.nabble.com/Ref-Osc-Cal-Method-4-td2595451.html#a2595451 The way the K3 implements the passband shift, the same signal, with the same VFO setting, will have a different audio beat note if the SHIFT control is changed. * So your calibrations

[Elecraft] Elecraft HF amplifier?

Is there a chance that a Elecraft will develop a HF amplifier? Is there another kit manufacturer with such a beast? It would be nice to have a kit station from Alpha to Omega. Conway Yee, N2JWQ __ Elecraft mailing list Home:

[Elecraft] K3 Receive equalizer affects narrow settings

I think this is an interesting result. I was attempting to enhance CW tones to the exclusion of highs and lows, so set Receive equalizer to: 1-3, 7-8 set to -16 and 4-6 set to +16; CW pitch 630. With 250Hz filter kicked in, Bandwidth .05 and .10 are very attenuated no matter what RIT controlled

Re: [Elecraft] K3 AM Audio update!

Thanks Phil for your kind words about me.I am glad you feel happy now with your K3 performance on AM,as I told you on the phone last nigh,K3 has one of the best well modulated AM audios in the market,it compete with any of the older AM gear. Also it was good to help you and anyone else who

Re: [Elecraft] K3 Receive equalizer affects narrow settings

I was attempting to enhance CW tones to the exclusion of highs and lows, so set Receive equalizer to: 1-3, 7-8 set to -16 and 4-6 set to +16; CW pitch 630. With 250Hz filter kicked in, Bandwidth .05 and .10 are very attenuated no matter what RIT controlled audio tone is produced. The two

[Elecraft] Loading 3.57

While trying to load 3.57 into my K3 I inadvertenly started 3.52. Stopped that and have 3.57, 1.06, 2.45 set up but the button that says send checked items to K3 is grayed out. How do I get around this? 73, Jim, W5ODD __ Elecraft

Re: [Elecraft] Loading 3.57

Its simple. Just close the utility program and restart it. That fixed it. Jim Bobo wrote: While trying to load 3.57 into my K3 I inadvertenly started 3.52. Stopped that and have 3.57, 1.06, 2.45 set up but the button that says send checked items to K3 is grayed out. How do I get around

Re: [Elecraft] K3 S Meter

A couple of years ago there was some correspondence on the reflector about whether an S unit is 6db or 4 db and there appears to be historical precedent for both but I have looked at the archive and can't find where it rested as far as the K3 is concerned. It occurred to me while recently

Re: [Elecraft] K3 AM Audio update!

AD4C2009 wrote: K3 has one of the best well modulated AM audios in the market,it compete with any of the older AM gear. What is K3's AM transmit audio bandwidth? For AM receive, I get amazing AM receive audio using LP-Pan plus Winrad or Power-SDR. 73, Barry N1EU -- View this message

[Elecraft] [K2] KPA100 Behaving Badly...

I'm trying to fix a friend's K2/100. I realigned it, CAL PLL, CAL Filters. It seems to work fine on QRP. But, when I strange things happen when I go to about 30 watts and above. Symptoms - Worked a station at 14.022 at 10 watts. All is well. Tune up or down the band. Raise power over 30w.

[Elecraft] Band data outpurs

Can anyone tell me if the K-3 band data outputs are the same as Yaesu? If so, what are the pin equivalents? I would like to use my K3 with an Array Solutions band decoder (an older style. Jim W0UO __ Elecraft mailing list Home:

Re: [Elecraft] Band data outpurs

Can anyone tell me if the K-3 band data outputs are the same as Yaesu? If so, what are the pin equivalents? I would like to use my K3 with an Array Solutions band decoder (an older style. Please see the K2 Owner's Manual for details. The information is on pages 18 and 19 in the Rev D-5

Re: [Elecraft] K3 AM Audio update!

Barry,if you have the 6Khz roofer installed and enable the TX ESSB to 3Khz trough the config and also use the 8 bands EQ properly to EQ your mic,you will have an awsome 100% modulated AM station with 6Khz bandwith and you will be receiving unsolicited good reports from the old timers using old

Re: [Elecraft] Band data outputs

Please see the K2 Owner's Manual for details. The information is on pages 18 and 19 in the Rev D-5 manual. I meant K3... 73, Lyle KK7P (searching for my coffee...) __ Elecraft mailing list Home:

Re: [Elecraft] K3 frequency accuracy versus displayed precision

Hi, First time I have heard about this. How much frequency shift are we talking about here? A fraction of a Hz, 10Hz? I have certainly never noticed this, but of course on speech anything less than 10Hz is practically inaudible unless you do a USB/LSB comparison on an AM station. AB2TC - Knut

Re: [Elecraft] K3 S Meter

Geoffrey Downs-2 wrote: A couple of years ago there was some correspondence on the reflector about whether an S unit is 6db or 4 db and there appears to be historical precedent for both but I have looked at the archive and can't find where it rested as far as the K3 is concerned. It

Re: [Elecraft] K3 S Meter

I calibrated the S-meter to 5 dB per S-unit because then the divisions represent 5 dB both above and below S-9. This is easy to remember and it also seemed to allow quite good linearity all along the scale. As has been pointed out, there is no standard so a choice of 5 dB/unit is as valid as

Re: [Elecraft] K3 S Meter

Hmm, have you checked the calibration above S9? If you compress the scale below S9 to 5dB per S-unit, the scale above S9 is likely to be compressed also, to something like 8.5dB per 10dB division. AB2TC - Knut Al Lorona wrote: I calibrated the S-meter to 5 dB per S-unit because then the

Re: [Elecraft] K3 S Meter

Geoff saidFor practical purposes S3 is probably close enough rather than about S2 or 3 as shown in the manual. Or is it more complicated than that? Geoff, lets do the math... S-9 is 50 uV at the antenna terminals by convention 1 uV is equal to 20 * log (1/50) = -33.98 dB below S-9 Say we

Re: [Elecraft] Elecraft HF amplifier?

Elecraft has developed and shown QRO amplifiers in the past. Here is a comment from Eric that he posted 10/31/07 about the delay getting the amps into production: Actually, the main reason for delay on the KPA800/1500 Amps was the K3. Almost 12 months ago we decided that we could not bring both

Re: [Elecraft] [K2] KPA100 Behaving Badly...

John, The resettable fuse in the base K2 is tripping - it trips at 5 amps, so your base K2 is drawing too much current for some reason or another. The reason for high current along with low output power is typically a problem with the Low Pass filter or T4. But there are two LPFs involved

[Elecraft] Newbie Questions for K3...

I am not a K3 owner but I plan to be sometime soon. I am still in my research stage where I want to learn as much as I can about the K3 before I buy. I do have a couple of questions... 1. Are there options that I would be foolish not to get right up front? My plan is to at least get the

Re: [Elecraft] Newbie Questions for K3...

2. Are there any custom ICs or other esoteric parts on the K3 that might limit its ultimate future repair life? I have already had an old Icom 756 be judged passed repair do to the in-availability of a few needed ICs. There are no custom ICs. There is a custom LCD display, and of course

Re: [Elecraft] Newbie Questions for K3...

Phil, I can try to answer your questions. 1) All options are easily installed. The hardest option to install is an additional filter for the main receiver when the Sub RX is also installed because the SubRX must be lifted to gain access to the main receiver filter slots. Since you did not

[Elecraft] K3: Attn: SERIOUS HF contesters

Please reply DIRECTLY only Have you tried/are you using LP-Pan or something else? Have you tried/are you using Skimmer? Some other waterfall app (for contesting)? I have follow up questions, but will save the bandwidth for now. Please reply DIRECTLY only Thanks, Doug KR2Q

[Elecraft] [K2] K2 Difficulty Fine Adjusting AGC

(K2 #6800, KAT2, KSB2, KIO2, KNB2) Hello all, I know many electrons have been spilled on the reflector regarding this topic, however, I'm still not able to resolve my situation. Problem 1: When attempting to fine tune the AGC threshold, I can differentiate a volume difference between AGC On

[Elecraft] [HAM] Question re BNC/Coax assembly

Hello all, Yes, my beginner status is revealed to all as I need help with the most basic of ham operations: putting a connector on coax! It's a testament to the quality and ease of the K2 kit that even I could get it assembled and working. I have RG-8X coax and purchased a number of clamp on

Re: [Elecraft] Newbie Questions for K3...

Phil - I put mine together a month ago. It's not difficult, but it is tedious. It took me about 12-14 hours. You'll need an anti static mat and wristband. I ordered mine from Radio Shack (276-2370). I got the 100W PA, ATU, 6M preamp and 2.8, 400 and 250 8 pole filters. That suits my operating

[Elecraft] Freq switching with 2nd rcvr question

For background, my purpose is to work both cw and ssb in the coming ARRL 10m contest. My K3 has the KRX3 installed. I want to use the primary receiver and transmitter (T1R1) on one mode, while using R2 to scan (manually) the other mode. If I'm currently working cw with T1R1, but hear a new SSB

Re: [Elecraft] Newbie Questions for K3

Phil, you pose some great questions. Here goes: 1. The one option I would not get is the high accuracy oscillator.but that's just me. 2. As far as esoteric parts are concerned, Maybe Eric or Wayne should answer that one. I had an Orion 1 a couple of years back. But it did not

Re: [Elecraft] K3 S Meter

No standards. There is no international body in charge of the definition of an S-unit. Just history. Somewhere I have a .jpg file from an ebay posting of a lovely pristine 30's receiver with an S meter that showed S units on top side of scale, and dB's on the bottom side. 6 db per unit. The

Re: [Elecraft] Elecraft HF amplifier?

For now, I can only say that we're deeply interested in this topic. Wayne On Nov 17, 2009, at 10:52 AM, Mark Bayern wrote: Elecraft has developed and shown QRO amplifiers in the past. On Tue, Nov 17, 2009 at 8:55 AM, Conway Yee y...@bronze.lcs.mit.edu wrote: Is there a chance that a

Re: [Elecraft] K3 frequency accuracy versus displayed precision

Here are the technical details regarding the K3's VFO tuning accuracy: The K3's PLL synthesizer is phase locked to its 49.38 MHz reference via a DDS chip used as a precision divider. The DDS output is in the 3.6 MHz range, with a step size of 0.184 Hz (49.38 MHz DDS clock divided by 2^28

Re: [Elecraft] [K2] K2 Difficulty Fine Adjusting AGC

Brian, The AGC Threshold test that you are doing should be done with no antenna and with the preamp off. The point is that you do not want the AGC to be active on receiver internal noise. As far as noise coupled from an antenna, well, that is just your local noise level, and could be

Re: [Elecraft] [K2] K2 Difficulty Fine Adjusting AGC

Hi Don, Thanks for the suggestions. In reference to Problem 1, all of the testing was done with the antenna disconnected and preamp off. Even so, still having problems differentiating much of a sound difference will adjusting AGC Threshold Voltage. Is this perhaps because of the gain problem

Re: [Elecraft] [HAM] Question re BNC/Coax assembly

Brian, Is the nut fully threaded into the connector body? If not, things are not tight inside, and the ferrule is not seated. The most common cause is that the cuts made on the outer cover and the inner conductor are not the right distance apart. These cutting dimensions are critical for BNC

[Elecraft] K3 skematics

The website shows 0ct 2008 as the latest set of skematics. Given that one can't pencil in mod changes to a PDF file, it would be nice to see these updated. 73 de Brian/K3KO __ Elecraft mailing list Home:

Re: [Elecraft] K3 skematics

Probably in early December. Wayne N6KR On Nov 17, 2009, at 3:08 PM, Brian Alsop wrote: The website shows 0ct 2008 as the latest set of skematics. Given that one can't pencil in mod changes to a PDF file, it would be nice to see these updated. 73 de Brian/K3KO

Re: [Elecraft] [HAM] Question re BNC/Coax assembly

Hi Don, The nut is cinched down extremely tight, but I doubt I was very careful with the cut dimensions. I'll check that next. 73 Brian - N5BCN - K2 #6800 KSB2 KAT2 KIO2 KNB2 -- View this message in context: http://n2.nabble.com/Question-re-BNC-Coax-assembly-tp4021076p4022017.html

Re: [Elecraft] Band data outpurs

Yes. Please see N0SS's excellent documentation on connecting the K3 to a Quadra amplifier. The cable shown on that page (http://www.n0ss.net/k3-to-quadra_12jul09.pdf) will give you all of the corresponding pins between the K3 ACC jack and the Yaesu (DIN8/262) Band Data jack. 73, ...

Re: [Elecraft] [K2] K2 Difficulty Fine Adjusting AGC

Brian, A receiver gain problem will usually result in S-meter problems similar to what you describe - to get a 50 uV signal to show S-9, the CAL S HI value will be far removed from that obtained when you do the adjustment with the RF Gain full counterclockwise. Normally, the S-9 point with a

[Elecraft] K3/100 and Rev C Tech Alert - Important

** Spurious TX sidebands due to C3 installation on early Rev C KPA3 PC boards. ** We have determined that a small number of K3/100s and KPA3s left the factory earlier this year with capacitor C3 installed by mistake on early Revision C KPA3 PC boards. This part location should be empty on

[Elecraft] K3/100 and Rev C Tech Alert - Important (phone number corrected)

** Spurious TX sidebands due to C3 installation on early Rev C KPA3 PC boards. ** We have determined that a small number of K3/100s and KPA3s left the factory earlier this year with capacitor C3 installed by mistake on early Revision C KPA3 PC boards. This part location should be empty on Rev. C

Re: [Elecraft] [HAM] Question re BNC/Coax assembly

When I've carelessly assembled one of those, I didn't have enough of the braid wrapped over the beveled ferrule at the end. The first time I happened to have a twist in the coax, the torque broke off the braid strands and the coax spun freely :-( If that happens it may still show shield

Re: [Elecraft] Elecraft CW Net query

Unfortunately, I can't make either the present time or the suggested new times because of a part-time job I have on Saturday and Sunday. I would work from 4 PM to midnight Eastern time both days. I have been able to check in when I'm on an occasional vacation, but as I recall the last time I did

[Elecraft] REF CAL

If REF CAL (in the CONFIG menu) is not set to the exact frequency of the reference oscillator. How do you do this? Thanks. John. __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help:

Re: [Elecraft] Band data outpurs

I'm using N0SS's cable on my K3/Quadra. Works like a dream. Made one mod and was to bring out the lines needed to drive an FSK operation. Basically, made a Y connector for the accessory port. de K2GN/Larry K3 - S/N 3278 - Original Message - From: Joe Subich, W4TV li...@subich.com To:

Re: [Elecraft] K3 S Meter

Dears I've seen on the manual S9 /50 microvolts is adjusted with Preamp ON . As a new Elecrafter I need some explanations, because with my previous rigs, I use to calibrate S9 without the preamp. Thanks Philippe A65BI K3 #3616 Bill W4ZV btipp...@alum.mit.edu 17-11-2009 22:25 Geoffrey

[Elecraft] Is there a K3 nearby (Bellevue/Kirkland/Redmond)

Is there a K3 nearby around Bellevue, Kirkland, Redmond, Washington. I would like to come on over and listen to one and turn a knob or two. Thanks, phil, K7PEH k7...@comcast.net __ Elecraft mailing list Home: