[Elecraft] K2 4777 Good news/Bad news and questions
Hi Fellow Elecrafters, First off I would like to thank all who responded to my questions concerning soldering the lugs/tabs of slug tuned coils. And, about how long it might take Elecraft to send a replacement for a missing part. As for the missing part and replacement, it was ten days for me to receive mine, from the day I reported it missing. It was 4 days before they got it shipped out (since they had gotten behind) and took 6 days to get here (TN from CA). So, all things considered, not to bad. Here is my good/bad news report on progress with K2 4777. Got the missing component today and got it installed, finished with all the resistance checks (all seemed to be in range), VCO voltage checks (none of the voltage checks were less than 1.5 volts or greater than 6 volts). Setting up filters, alignments etc all seemed to go well. Thus, I would say that is all good news. Now, the bad news. In the process of doing my first VCO voltage check my DMM ground probe (I am guessing) fell over from where it was attached to one of the ground points on the RF board and shorted to something. Since, smoke started to rise. Upon inspection, I found that R82 (an 18 ohm resistor) to the left of the noise blanker on the schematic and in the 12 volt supply line was burned/blackened. Needless to say, I was sickened. But, I continued on with all the tests/alignments. Since, I could not see how that particular resistor would have any effect on what I was testing/aligning. And, all was well. Questions are: 1. If I recall correctly, BFO frequency range was to be between 9.7/9.8 to some amount higher, I came up with 9.5 or 9.6, is this significant or are we splitting hairs here? 2. Concerning the smoked resistor, is it imperative that I replace it with an 18 ohm resistor? Or, can I opt to replace it with the closest standard value I have on hand (which is either a 15 or 22 ohm)? I ask this, since I don't know the design criteria. But, (from what little I know about design) I know that often (when a circuit is designed) the values that are calculated (for a particular component) are often replaced by the closest standard value that is on hand. Thanks In Advance, Mike KT2E K2 4777 ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
[Elecraft] T1 and a large measure of embarrassment.
Greetings from down-under, I believe it may make me feel a little better if I share this embarrassment with the group. My T1 kit which was shipped on March 21 arrived a few days ago and yielded the usual perfect inventory, but of course the shipment preceded the Rev. A-1 errata (March 29) so I was short of two 1 watt 51 ohm resistors and an FT47-43 toroid which knowing the Elecraft service ethic are probably on their way to me now, however, carefully reading the assembly manual I saw that there were two components that could be loaded before the first 51 ohm was required namely the two female BNC connectors so I thought I would get started. I carefully aligned the connectors per the instructions and did a creditable soldering job on both --- on the WRONG SIDE of the board --- shock! horror! and a large measure of embarrassment. I don't have any sophisticated de-soldering equipment and promptly decided that a new board must of necessity be the solution, so a quick Email to Scott and Brian was sent, but minutes after doing this a long dormant adventurous streak within me manifested itself and kept saying 'there must be a way, there must' and there was! It took a board vice, two soldering irons (one in each hand) and the XYL suitably protected with heat proof gloves to perform the extraction and the task was accomplished --- the through plating undamaged and the board still looking pristine --- quite proud of myself, oops ourselves, and the earlier embarrassment just a little bit diminished. Another Email to Scott and Brian cancelling the earlier one, and now I'm just waiting on two 1 watt 51 ohm resistors because I found a spare toroid in the junk box. Cheers from Bill Scovell / VK4SQ ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
RE: [Elecraft] RF Noise canceller ?
Hello Marinos, There have been several schematics using such technics over the last 20 years. Most of them use a seperate short antenna, feeding the signal pase shifted into a combiner which combines the main Antenna Signal with the phases shifted extra antenna signal. This construction can reduce a lot of man made noise. I remember there was a commercial available stand alone unit sold by a small english company. I myself built such a unit to help reducing my noise problem especialy at 160m (I live in the middle of Berlin, Noise level in the evening is S7) But I forgot the unit during the time because I do not have an 160m Antenna any longer. 73 de Peter, DL2FI -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Marinos Markomanolakis, M.D. Sent: Sunday, April 03, 2005 6:45 AM To: elecraft@mailman.qth.net Subject: [Elecraft] RF Noise canceller ? Just a question for the technically inclined group members: How feasible or worth the effort, would be the addition of an option to the K2 which would sample RF noise from a ferquency close to the used band,(tunable?) which is devoid of signals, phase invert and reinject the noise to an IF stage or even the antenna input in order to cancel our the white or pulse noise components, preserving the desired signal ? Why similar circuits are not preferred in HF receiver designs instead of DSP filters ? Similar circuits are commonly used in biomedical devices (called linear averagers if I am not mistaken) and are very effective in isolating electric signals from a particular organ eg Heart in EKG or brain area of interest in EEG, filtering out the irrelevant noise from the muscle cells... Just some food for thought. ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
Re: [Elecraft] K1 Hum Solved
Thks for the replies, A/C hum was from my laptop puter, I split feed the out put to mixw to check on signals and zero beat. Moving it away from K1 did the trick. Bob KC8IPQ - Original Message - From: ROBERT PHILLIPS [EMAIL PROTECTED] To: elecraft@mailman.qth.net Sent: Thursday, March 31, 2005 7:53 PM Subject: Re: [Elecraft] K1 Hum Hi All, My K1 is out traveling with me, getting a lot of low sounding distortion (hum) and key clicks when sending. This radio is a used one I picked up on ebay and seemed to work OK at home. BTW at home I was using my bencher paddle, now I'm using a new PAL I purchased. Bob KC8IPQ ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
Re: [Elecraft] RF Noise canceller ?
http://www.mfjenterprises.com/products.php?prodid=MFJ-1025 http://www.w8ji.com/mfj-1025_1026.htm 73, Bill W4ZV ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
RE: [Elecraft] K2 4777 Good news/Bad news and questions
I don't know enough to be sure, but here's my stab in case noone else chimes in. r82/r83 appear to be a voltage divider for q22. If r82 becomes 22ohm, then r83 ought to go up 122% also. Another thought, since there's lots of room on that part of the board. Use 2 of each (15, 22), series/parrallel and make 18.5. Then order right part and put it in when it shows up. +-- 15 --- 22 ---+ ---||--- +-- 15 --- 22 ---+ or two 33's or two 4.7's and a 10, or ... whatever. Dan / WG4S / K2 #2456 snip 2. Concerning the smoked resistor, is it imperative that I replace it with an 18 ohm resistor? Or, can I opt to replace it with the closest standard value I have on hand (which is either a 15 or 22 ohm)? I ask this, since I don't know the design criteria. But, (from what little I know about design) I know that often (when a circuit is designed) the values that are calculated (for a particular component) are often replaced by the closest standard value that is on hand. /snip ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
RE: [Elecraft] XG1 battery voltage(s) reference needed
Rick, You must have a circuit problem, either there is a bad component, or a component in the wrong place, a bad solder joint or something in the oscillator is drawing too much current. Check U2 for 1.22 volts. Make sure R9 is correct value. Check voltage at the junction of R10 and R11 should be close to 1.5 volts for a good battery. Allen KA5N ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
RE: [Elecraft] RF Noise canceller ?
Hi Peter, Would this type of noise canceler not work on white noise also ? 73, Marinos, ki4gin From: Peter Zenker [EMAIL PROTECTED] To: 'Marinos Markomanolakis, M.D.' [EMAIL PROTECTED],elecraft@mailman.qth.net Subject: RE: [Elecraft] RF Noise canceller ? Date: Sun, 3 Apr 2005 13:03:51 +0200 Hello Marinos, There have been several schematics using such technics over the last 20 years. Most of them use a seperate short antenna, feeding the signal pase shifted into a combiner which combines the main Antenna Signal with the phases shifted extra antenna signal. This construction can reduce a lot of man made noise. I remember there was a commercial available stand alone unit sold by a small english company. I myself built such a unit to help reducing my noise problem especialy at 160m (I live in the middle of Berlin, Noise level in the evening is S7) But I forgot the unit during the time because I do not have an 160m Antenna any longer. 73 de Peter, DL2FI -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Marinos Markomanolakis, M.D. Sent: Sunday, April 03, 2005 6:45 AM To: elecraft@mailman.qth.net Subject: [Elecraft] RF Noise canceller ? Just a question for the technically inclined group members: How feasible or worth the effort, would be the addition of an option to the K2 which would sample RF noise from a ferquency close to the used band,(tunable?) which is devoid of signals, phase invert and reinject the noise to an IF stage or even the antenna input in order to cancel our the white or pulse noise components, preserving the desired signal ? Why similar circuits are not preferred in HF receiver designs instead of DSP filters ? Similar circuits are commonly used in biomedical devices (called linear averagers if I am not mistaken) and are very effective in isolating electric signals from a particular organ eg Heart in EKG or brain area of interest in EEG, filtering out the irrelevant noise from the muscle cells... Just some food for thought. ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
RE: [Elecraft] Feasibility of KPA-1(?)
Hello Jim, The two solutions I've looked at so far are unappealing (going all the way to the 100W level, or the hfpack-based project which includes a DC/DC converter to run it's transistors at 28V, which has it's own efficiency impact.) I have been looking for a more modest power increase, perhaps to 25-50W, optimized for CW (no need for idling collector current), and suitable for operation at collector voltages down to ~9V (to be consistent with K1's input voltage range, which is a big value to me.) The Ten-Tec 405 is a little closer (2W in gives 50W out, and consumes 7-8 amps at full output,) but I'm not sure how it does at lower collector voltages, it's linear, it's bulky, and in any event, it's not produced. It would be great if whatever is developed could be mechanically part of the K1 (a new top cover, in space that would be occupied by the internal battery pack, for example) and could leverage the internal low-pass transmit filters (but for this the toroids may have a saturation limit, and I doubt the band modules were ever designed with this sort of use case in mind.) I also had a short e-mail exchange with Wayne that ended in my suggesting a new 3-band module covering 80 and two other bands (perhaps 40/30 or 40/20); I think something like this would be really valuable as we are now at a lower point of the solar cycle than when the K1 was first developed. In any event, I hope the K1 is kept alive in terms of product development! 73 Dave WB0GAZ [EMAIL PROTECTED] From: [EMAIL PROTECTED] Subject: [Elecraft] Feasibility of KPA-1(?) To: Elecraft@mailman.qth.net Message-ID: [EMAIL PROTECTED] Content-Type: text/plain; charset=US-ASCII From Space Cadet To the Mother Ship (Elecraft): I sure enjoy my K1, s/n #01453, and use it daily. However, there are times when I'm chasing DX that I'd like to be able to switch in a 10 dB boost to my output. Could we explore the feasibility of offering a kit amplifier for the K1 (say a KPA-1)? I'd suggest that most owners of the K1 would immediately purchase it (1500+ units?). It could also make the K1 more attractive to the part-time QRPers, like me. The only disadvantage that immediately comes to mind is that the KAT-1 antenna tuner couldn't be used with it and would have to be removed. However, perhaps the KPA-1 could be plugged in its place? Are we looking at 7-8 amps current draw, instead of 1 amp? If you're a subscriber to this list and would like to see a KPA-1 amplifier kit, please join me in letting Elecraft know. R/ Jim K5HO ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
Re: [Elecraft] Feasibility of KPA-1(?)
Having K2, also I would like to see K1 with 80-40-20 (and build it ASAP). Many of my friends tell taking K1 everywhere with them in spite of having K2 aswell. Instead of power I would like to concentrate to simple but efficient antennas. Changing from vertical to horizontal gives up to 6dB. Having full dipole free means much more than a linear. A good antenna gives double bonus: same improvement in reception. Benny OH9NB On Sun, 03 Apr 2005 07:50:21 -0600, david feldman [EMAIL PROTECTED] wrote: I also had a short e-mail exchange with Wayne that ended in my suggesting a new 3-band module covering 80 and two other bands (perhaps 40/30 or 40/20); I think something like this would be really valuable as we are now at a lower point of the solar cycle than when the K1 was first developed. ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
Re: [Elecraft] RF Noise canceller ?
In a message dated 03/04/05 12:11:33 GMT Daylight Time, [EMAIL PROTECTED] writes: There have been several schematics using such technics over the last 20 years. Most of them use a seperate short antenna, feeding the signal pase shifted into a combiner which combines the main Antenna Signal with the phases shifted extra antenna signal. This construction can reduce a lot of man made noise. I remember there was a commercial available stand alone unit sold by a small english company. --- The Antenna interference cancelling unit in the UK was from SEM a company in the Isle of Man (GD). No longer seem to be in business. There is one from MFJ still on the market and believe a model may have come from a company called NIR (now part of Timewave? cannot find any info on the Timewave web site) though could be wrong on this latter unit. I built my own from a design from G4WMX for a Null Steerer that was circulating in the UK in 1989. I can remember my late father in law Ted, G3UUA building one at the time and was impressed with how well it worked, taking his S9 level of interference out totally. About two years back when suffering from local electrical interference I had a go at building the same unit. There is a PCB produced by Geoff Steedman, M0BGS available now as well as a kit of parts to populate the bare PCB. For the kit of parts with PCB, I paid £25 (US$47 approx). Built it up into a diecast box and have it permanently in the RX antenna feed. Easy for me as I have a separate TX/RX on the QRO rig. Alternately has PTT switch feed to enable it to be used in the antenna feed of a 100W HF transceiver. With a suitable auxiliary antenna it can null out quite high levels of local interference, the limiting factor being the amount of wanted signal also picked up by the auxiliary antenna. With the power off the unit is totally bypassed. The downside with mine is that with the unit active, the wanted signal is attenuated somewhat and even more when nulling out interference. The upside is that it can still make a vital difference in hearing signals buried under local interference. I believe Geoff, M0BGS has modified more recent PCB to add an emitter follower to the outgoing main antenna feed to offset through losses. Will have to try to modify my PCB to add this. I have the scanned circuit and notes somewhere in my PC for the original unit before the emitter follower was added. If anybody wants to have a go at constructing this device and needs the info, contact me direct. Bob, G3VVT ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
RE: [Elecraft] RF Noise canceller ?
I think no. White noise by definition is no statistic, therefore IMO it cannot be eliminated because at no time it has a defined phase angle. 73 de Peter -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Marinos Markomanolakis, M.D. Sent: Sunday, April 03, 2005 3:26 PM To: [EMAIL PROTECTED] Cc: elecraft@mailman.qth.net Subject: RE: [Elecraft] RF Noise canceller ? Hi Peter, Would this type of noise canceler not work on white noise also ? 73, Marinos, ki4gin From: Peter Zenker [EMAIL PROTECTED] To: 'Marinos Markomanolakis, M.D.' [EMAIL PROTECTED],elecraft@mailman.qth.net Subject: RE: [Elecraft] RF Noise canceller ? Date: Sun, 3 Apr 2005 13:03:51 +0200 Hello Marinos, There have been several schematics using such technics over the last 20 years. Most of them use a seperate short antenna, feeding the signal pase shifted into a combiner which combines the main Antenna Signal with the phases shifted extra antenna signal. This construction can reduce a lot of man made noise. I remember there was a commercial available stand alone unit sold by a small english company. I myself built such a unit to help reducing my noise problem especialy at 160m (I live in the middle of Berlin, Noise level in the evening is S7) But I forgot the unit during the time because I do not have an 160m Antenna any longer. 73 de Peter, DL2FI -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Marinos Markomanolakis, M.D. Sent: Sunday, April 03, 2005 6:45 AM To: elecraft@mailman.qth.net Subject: [Elecraft] RF Noise canceller ? Just a question for the technically inclined group members: How feasible or worth the effort, would be the addition of an option to the K2 which would sample RF noise from a ferquency close to the used band,(tunable?) which is devoid of signals, phase invert and reinject the noise to an IF stage or even the antenna input in order to cancel our the white or pulse noise components, preserving the desired signal ? Why similar circuits are not preferred in HF receiver designs instead of DSP filters ? Similar circuits are commonly used in biomedical devices (called linear averagers if I am not mistaken) and are very effective in isolating electric signals from a particular organ eg Heart in EKG or brain area of interest in EEG, filtering out the irrelevant noise from the muscle cells... Just some food for thought. ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
RE: [Elecraft] Feasibility of KPA-1(?)
I also had a short e-mail exchange with Wayne that ended in my suggesting a new 3-band module covering 80 and two other bands (perhaps 40/30 or 40/20); I think something like this would be really valuable as we are now at a lower point of the solar cycle than when the K1 was first developed. ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
[Elecraft] Re: Elecraft K1-4 FS - new SOLD!
Thanks to all. The K1 will happily be passed to one of ours in service overseas!! Pete WK8S ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
RE: [Elecraft] Feasibility of KPA-1(?)
I understood that there was some inter-band dependency, but I had not considered that the 4 band module could be made to 3 bands this way. That would be good news; the 80-40-30 combination is likely the most frequently used configuration I would need. I looked at the 4-band module and many of it's components are very small, but perhaps the PC board layout still could be adapted by using the space freed from the adjacent unused band? Would the unit need software changes so it would expect this behavior in the software? 73 Dave WB0GAZ [EMAIL PROTECTED] From: Peter Zenker [EMAIL PROTECTED] To: 'david feldman' [EMAIL PROTECTED],elecraft@mailman.qth.net Subject: RE: [Elecraft] Feasibility of KPA-1(?) Date: Sun, 3 Apr 2005 18:12:34 +0200 Sorry, excuse I hit the wrong button. No my response to the mail Swiss Hams always need 80m due to their yearly traditional National Mountain Day I also had a short e-mail exchange with Wayne that ended in my suggesting a new 3-band module covering 80 and two other bands (perhaps 40/30 or 40/20); I think something like this would be really valuable as we are now at a lower point of the solar cycle than when the K1 was first developed. I could help some of them with an easy to do mod of the standard 4 Band modul. The problem is, you can only use 2 neighbour bands per section an not harmonic bands without changing of bandmodules. If you use the first section for 80 meter, you can use the second section for 40/30 Meter. 73 de Peter ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
RE: [Elecraft] Feasibility of KPA-1(?)
David You only need the 11,5 MHz Xtal Elecraft is using in the standard 2 band version plus some caps. Section 1 is equipped with all parts for 80m, LPF datas can be overtaken from the K1 80m Module Section 2 is built identical to former section 1 as 40/30m Module. Peter -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of david feldman Sent: Sunday, April 03, 2005 6:38 PM To: [EMAIL PROTECTED]; elecraft@mailman.qth.net Subject: RE: [Elecraft] Feasibility of KPA-1(?) I understood that there was some inter-band dependency, but I had not considered that the 4 band module could be made to 3 bands this way. That would be good news; the 80-40-30 combination is likely the most frequently used configuration I would need. I looked at the 4-band module and many of it's components are very small, but perhaps the PC board layout still could be adapted by using the space freed from the adjacent unused band? Would the unit need software changes so it would expect this behavior in the software? 73 Dave WB0GAZ [EMAIL PROTECTED] From: Peter Zenker [EMAIL PROTECTED] To: 'david feldman' [EMAIL PROTECTED],elecraft@mailman.qth.net Subject: RE: [Elecraft] Feasibility of KPA-1(?) Date: Sun, 3 Apr 2005 18:12:34 +0200 Sorry, excuse I hit the wrong button. No my response to the mail Swiss Hams always need 80m due to their yearly traditional National Mountain Day I also had a short e-mail exchange with Wayne that ended in my suggesting a new 3-band module covering 80 and two other bands (perhaps 40/30 or 40/20); I think something like this would be really valuable as we are now at a lower point of the solar cycle than when the K1 was first developed. I could help some of them with an easy to do mod of the standard 4 Band modul. The problem is, you can only use 2 neighbour bands per section an not harmonic bands without changing of bandmodules. If you use the first section for 80 meter, you can use the second section for 40/30 Meter. 73 de Peter ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
RE: [Elecraft] RF Noise canceller ?
-Original Message- Would this type of noise canceler not work on white noise also ? ___ The simplest answer is no. White noise typically arrives from random directions, with random phases, random polarizations, etc. etc. etc. and are usually from thermal and uncorrelated sources. The principle of operation of these phasing units IS THAT THEY CAN BE PHASED to eliminate unwanted signals since they are from a sufficiently point like source that a null can be tuned on top of them. How is this done? You can arrange to add an interfering signal 180 degrees out of phase with one from the intended antenna while not killing the signal of interest to the point it is not heard. In other words, you increase the signal to (signal+interference) ratio. To the extent that this is automated, it is a smart antenna. The importance of them having equal responses to the interferer so that simple phasing works is a tricky business. If amplification is required to do this, then you have the myriad problems (IP3, IMD, DR, MDS, etc) to deal with in this new system. Since we are not asking for a perfect null, but some serious suppression, these conditions can be relaxed. If the noise source is localized or coming from a direction that is not nearly collinear (within the 3dB beamwidth of say a directive antenna) with the signal of interest, it can be nulled with these phasing methods irrespective of its power spectral distribution, white, poisson, tone, etc. This is all reasonably complicated as you can see. Bob N4HY ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
Re: [Elecraft] K1 - 6 bands simultaneously?
It's likely been thouugh of by many, but discussed by few. dt . --- david feldman [EMAIL PROTECTED] wrote: This is probably FAQ, but I'm curious if/how the K1 is set up for 6 bands simultaneously (basically a K1-4 with an extra 2-band filter module.) I'd really like to find a way not to have to open the rig to switch between band sets, and would like to have access to 80 and 15/17 along with the core K1-4 bands. Just a quick look it seems internally like a wider version of the K1-4 board (extending towards the front panel) would make it possible to host the extra K1-2 (along presumably with the supporting firmware to drive relays on both modules.) I'm fairly new to the list and product so if this has been discussed before, please excuse the noise. 73 Dave WB0GAZ [EMAIL PROTECTED] ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
[Elecraft] What Firmware version is the K2 currently at? Nt
___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
RE: [Elecraft] RF Noise canceller ?
Would this type of noise canceler not work on white noise also ? 73, Marinos, ki4gin That depends a lot on the source of the noise, broadband (white) or otherwise. These circuits depend upon a second antenna picking up the noise better than the signal. Then the signal from the noise antenna is inverted and added to the signal from the main antenna. Adjustment of both phase and the signal levels in the circuit is required so that when a pulse of noise from one antenna hits, say +10 uV, the same pulse from the other antenna hits - 10 uV at the same instant so they add together and produce an output of zero volts. The result is that the noise is cancelled out while, hopefully, the signal remains. Even a wire on the ground will pick up a distant signal. Indeed, a wire on the ground sometimes picks up the signal with less noise that a huge wire in the air! One of the most effective low noise receiving antennas known is a wire on the ground or sometimes even buried a few inches below the surface of the earth! (And insulated). So the noise canceling system works in some situations and not in others. As one person pointed out, it often results in significant attenuation of the desired signal too when the desired signal is being picked up by both antennas. How well the system works on broadband noise depends upon how stable the phase relationship remains between them. Some noise will arrive via ground wave, multiple reflections from the ionosphere and even reflections from nearby objects that may shift constantly. That will cause the phase relationship, and the degree of cancellation, to shift considerably as well. For that reason these blankers have been most effective on locally-generated noise arriving by stable ground wave. Sky wave noise simply shifts too much to provide a useful null. I have what many Hams call (for the lack of a better word) a counterpoise that I often use with tinkering with end-fed radiators. It's simply a wire about a meter or so off of the ground that runs from the shack window in two directions: along a porch in one direction and along a fence in another direction. I have found that this low, random wire sometimes makes a superb receiving antenna. Often I can hear signals better using it than using my doublet overhead, especially on the lower bands, thanks to a much lower noise level it picks up. That fits with regular reports over the decades that noise is often attenuated far more by the earth than the signals arriving via sky wave. Sure, signals overall are weaker with an antenna near the ground, but that is of absolutely no consequence. In receive, antenna gain is unimportant as long as the receiver signal-to-noise ratio is such that the internally-generated receiver noise won't mask the signals. Any of the HF Elecraft rigs has an internal noise level that will allow even a very lossy, small antenna to be used to maximum effectiveness when receiving. Just turn on the preamplifier or turn up the volume to make up for the low signals from the antenna. Using my counterpoise for a receiving antenna often gives me huge improvement in signal to noise levels, especially on 160 and 80 meters. Some Hams have reported excellent results receiving on a length of old coax thrown on the ground! Bottom line: The noise canceling system seems to be most effective when the noise antenna can be positioned so as to pick up the noise much better than it can the signal, and the noise source is nearby and providing a stable phase relationship at both antennas. A purpose-built receiving antenna close to the ground may be more effective, especially when trying to pull weak DX out of the noise level. Ron AC7AC ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
RE: [Elecraft] Tin Whiskers
I have never purchased extended warrantees on electronics, but I may start. Lead is being outlawed in electronics in Europe, and most of the rest of the world is going the same way. I work in automotive electronics, and have been aware this was coming for years, but our customers are now starting to demand lead-free products. There is lots of work going on to figure out how to make reliable products without lead, but I expect there will be lots of problems. Jeff Burns AD9T -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Mike Walkington Sent: Saturday, April 02, 2005 4:47 AM To: Elecraft-Reflector Subject: [Elecraft] Tin Whiskers Check this out, and hope that you used some solder with Pb in it! http://nepp.nasa.gov/whisker/photos/ Mike VK1KCK K2#2599 ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
[Elecraft] Strange Voltage in KPA100
I finished K2 #4690 about a month ago..works great and meets all specs. 2 weeks ago I finshed the KAT100 which will live in an EC2 along with a KPA100. I installed a KIO2 in the K2 and hooked up the KAT100 and my laptop... All is well and worked perfectly.. all voltages were correct. I am now building the KPA100. Yesterday, I had reached the point where you ck the voltages in the KPA100 [page 23]. All voltages were within spec EXCEPT pin 27 of U1 This voltage should be 5.8VDC and is 3.98VDC. This is the 8R line, which comes out of the K2 at abt 7.98 VDC. I followed this voltage back thru to the KIO2. The control lines are as follows: KIO2 in K2 hooked to DB9 on back of K2 This cable runs to the DB9 on rear of KAT100. The KPA100 ribbon cable connects to P4 on the KAT100 board. The 8VDC [8R] line is 7.98VDC up till R1 [3.9K] on the KIO2 board. Without the control cable attached the the voltage on pin #9 on the KIO2 DB9 is 7.98vdcwith the cable connectiong the KIO2 to the KAT100 the voltage drops to 3.98.. Looking at this line [8R] in the KAT100, it enters thru pin #9 on J3 runs to pin # 9 on P4 [ where the ribbon cable for the KPA100 connects] and thenon to the gate of Q3 the FET switch. There is a 3,9K. resistor to ground on the gate of Q3.. So, R1 in the KIO2 is in series with the 8R line and RP1 [ the 3.9K to ground off this line] form a voltage divider. This explains the 3.98VDC on pin 27 of U1 in the KPA100. By the way the current draw on this 8R line is 10 ma. Is this low valtage going to cause any problems in the KPA100 operation? I assume that the reason for this is that with the KPA100 moounted in the K2 box.. the control ribbon cable would hook up direct and avoid the KIO2. In this normal hookup.. the DB9 on the K2 would be used for the PC hookup only. IM SORRY TO HAVE BEEN SO WORDY.. But just wanted to give all the info I had. Tom, N0SS and I came to these conclusions on the phone, last nite,,but would like to hear other input.. Is this correct? Wll it cause any problem? Any help or thoughts would be appreciated. Thanks, Doc K8RR ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
Re: [Elecraft] Feasibility of KPA-1(?)
You can run the HFPacker amp at 12v instead of 24v and get less current draw and less power out. Plus it would be smaller. Also you don't need to build the output filter on the K5OOR board since your K1 doesn't cover 160-10...you could build a switchable filter for just the 2 or 4 bands you use and make it into a small 2-board solution. Leigh / WA5ZNU On Sun, 3 Apr 2005 6:51 am, david feldman wrote: Hello Jim, The two solutions I've looked at so far are unappealing (going all the way to the 100W level, or the hfpack-based project which includes a DC/DC converter to run it's transistors at 28V, which has it's own efficiency impact.) I have been looking for a more modest power increase, perhaps to 25-50W, optimized for CW (no need for idling collector current), and suitable for operation at collector voltages down to ~9V (to be consistent with K1's input voltage range, which is a big value to me.) The Ten-Tec 405 is a little closer (2W in gives 50W out, and consumes 7-8 amps at full output,) but I'm not sure how it does at lower collector voltages, it's linear, it's bulky, and in any event, it's not produced. It would be great if whatever is developed could be mechanically part of the K1 (a new top cover, in space that would be occupied by the internal battery pack, for example) and could leverage the internal low-pass transmit filters (but for this the toroids may have a saturation limit, and I doubt the band modules were ever designed with this sort of use case in mind.) I also had a short e-mail exchange with Wayne that ended in my suggesting a new 3-band module covering 80 and two other bands (perhaps 40/30 or 40/20); I think something like this would be really valuable as we are now at a lower point of the solar cycle than when the K1 was first developed. In any event, I hope the K1 is kept alive in terms of product development! 73 Dave WB0GAZ [EMAIL PROTECTED] From: [EMAIL PROTECTED] Subject: [Elecraft] Feasibility of KPA-1(?) To: Elecraft@mailman.qth.net Message-ID: [EMAIL PROTECTED] Content-Type: text/plain; charset=US-ASCII From Space Cadet To the Mother Ship (Elecraft): I sure enjoy my K1, s/n #01453, and use it daily. However, there are times when I'm chasing DX that I'd like to be able to switch in a 10 dB boost to my output. Could we explore the feasibility of offering a kit amplifier for the K1 (say a KPA-1)? I'd suggest that most owners of the K1 would immediately purchase it (1500+ units?). It could also make the K1 more attractive to the part-time QRPers, like me. The only disadvantage that immediately comes to mind is that the KAT-1 antenna tuner couldn't be used with it and would have to be removed. However, perhaps the KPA-1 could be plugged in its place? Are we looking at 7-8 amps current draw, instead of 1 amp? If you're a subscriber to this list and would like to see a KPA-1 amplifier kit, please join me in letting Elecraft know. R/ Jim K5HO ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraftHelp: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
RE: [Elecraft] XG1 battery voltage(s) reference needed
Allen, I believe that you are correct and figured that my XG1 had too much current draw. I will do that as soon as I have the chance. Right now am just a bit busy getting a couple of computers built up to replace some boxes that recently went belly up. In a couple of weeks I'll be recuperating from some surgery and plan on having my K2 and some other stuff upstairs with me to keep me entertained. Will do the checking then. 73s thanks, -rick, K7LOG -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Allen C. Ward Sent: Sunday, April 03, 2005 6:22 AM To: elecraft reflector; [EMAIL PROTECTED] Subject: RE: [Elecraft] XG1 battery voltage(s) reference needed Rick, You must have a circuit problem, either there is a bad component, or a component in the wrong place, a bad solder joint or something in the oscillator is drawing too much current. Check U2 for 1.22 volts. Make sure R9 is correct value. Check voltage at the junction of R10 and R11 should be close to 1.5 volts for a good battery. Allen KA5N ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
RE: [Elecraft] RF Noise canceller ?
-Original Message- Would this type of noise canceler not work on white noise also ? __ White noise typically arrives from random directions, with random phases, random polarizations, etc. etc. etc. and are usually from thermal and uncorrelated sources. --- pick on details If you want to use the proper signal processing terminology here, then white noise is a spectral property and only means broadband. It says nothing about directionality. The corresponding directional term is isotropic noise. So the answer is that the noise canceller works for noise sources with directionality, white or not does not matter as our radios are narrowband anyway. The assumption is that the noise is directional so that two antennas can receive different proportions of signal and noise. The canceller will not work with isotropic noise sources. /detail picking 73 Sverre LA3ZA http://www.qsl.net/la3za/ ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
[Elecraft] Elecraft CW Net
Sorry Folks, In an effort to do a million things at once I forgot when the time change occurs. Not Sunday but Saturday night! Thus this errata message. The Elecraft CW Net will be held: Sunday 2300z (Sunday 4pm PDT) 14050 kHz Monday 0200z (Sunday 7pm PDT) 7045 kHz I try to keep my skeds at the same local times so we all can work around the time changes. I just noticed a discrepancy between my battery powered clock and my computer's automatically updated clock. Hopefully this will not prevent any of you from giving the Elecraft CW Net a holler. Same as yesterday: an Elecraft radio is not necessary, power levels can be what ever you like, CW code speed can be as fast or slow as you like. But if you are faster than I can copy you may need to slow down ;) Tom, N0SS, is out and about working the Missouri QSO Party so may not be around for either net. He normally covers for me when some QRQ op comes along. Please join us if you can. Happy Daylight Savings Time (but not in AZ, HI, or parts of IN). 73, Kevin. KD5ONS (Less than perfect Net Control Operator) -- No virus found in this outgoing message. Checked by AVG Anti-Virus. Version: 7.0.308 / Virus Database: 266.9.1 - Release Date: 4/1/2005 ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
[Elecraft] Which audio level variation over full AGC range acceptable ?
Hi folks, a friend of mine just reported to me his K2 (which I built for him) audio output level would vary about 20 dB over the full AGC range. He used a test transmitter and an AF voltmeter for this test and varied the RF output level over the full AGC range of his K2. I never measured the audio output variance on my own K2 and I am not familiar with psycho acoustics. But I feel 20 dB is a rather high variation and should be quite well audible. I do not hear a high variation on my own K2. Is there a specification for this parameter? What should be taken as the maximum acceptable variation? Thanks for Your suggestions. VY 73 de Marcus, DL1EKC ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
[Elecraft] Looking for Top Cover for K2
Anyone have a top cover for a K2 with perhaps the tuner and battery option for sale? If so please let me know what you have and how much you want for it shipped to Zip 45324. Thanks Tim NZ8J ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
[Elecraft] K2 SN 4853 on the air!
Basic K2 SN 4853 made its maiden appearance on the bands today running 15.2 watts! 73, Charlie, W0YG.. ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
[Elecraft] RF Noise Canceller ?
Interesting thought Marinos. There are receivers (non amateur) in which any DSP,s ( if there is one) main job is to provide a large number of audio filter bandwidths and some additional hetrodyne removal. The removal of QRN noise and QRM within the IF filters passband is done in the early stages as it is too late to do this at the back end. Evasive Noise Blanking works well, with the tunable noise receiver tuned to a QRM free frequency near to the operating band. Its output noise pulses can be used to 'gate' the LO drive to the first signal mixer, easy to do with the logic circuits producing the 50% duty cycle square wave LO required by diode ring mixers etc. There are also circuit techniques to reduce substantially or eliminate 'Zero Beat' QRM and /or QRM within the IF passband. Some use a combination of phasing, hard limiting and reinjection or mixing. The effects of QSB can be a problem if the QRM is one moment stronger than the desired signal, and the next moment weaker, Strange to say these ideas appeared in two or more countries at almost the same time. But after playing with one technique here I believe that there are solutions. Thus if noise of any type (not QRM) is the target and starting design thinking from the above, there could be a solution - although White Noise could be tough to deal with, if indeed possible. IMHO it would be difficult to add what you suggest to the K2. Any undesired coupling to other circuits would not be acceptable. Then there is the question of phasing adjustment from the front panel. I would think that a stack of back to back varicaps at high bias might not be useful. Just a few thoughts in haste as I leave the country very soon for two weeks or so 73, Geoff GM4ESD ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
Re: [Elecraft] k2 build question
Hi Ron, The masking material is the pieces of tape, usually green, around each hole. I found a sharp case cutter edge was necessary to remove it. You should have nice, shiny bare metal around the holes on the inside of each panel. That will make sure you get good RF shielding. The rest of the overspray on the won't hurt anything. --Mike WQ5C K2 #4693 At 06:47 PM 4/3/2005, Ron McMurray wrote: pg # 29 removing masking material , are they talking about the grey overspray ron, kc0tdj #4857 ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
[Elecraft] Elecraft CW Net Report for April 3rd and 4th, 2005
We had a pleasant net this evening. I met some new folks and got reacquainted with some of the others. Weak signals on 20 meters so I may have missed one or two. Sorry about that. But on 40 meters it was much better. There were certain parts of the continent which were much easier to work this evening. NJ, VA, ON, MN, ND, IN and PA were pretty easy. WA and CT were so strong I had to turn down my gain. But W7UR from MT had the hottest signal. Helena, Montana to Buxton, Oregon must be attached somehow. Very strong signal Ci! On 14050 kHz at 2258z: VE3XL - Ric - ON - non Elecraft rig W0QQS - Bruce - MN - K2 - 3646 K2HYD - Ray - VA - KX1 - 608 W2GIW - Ken - NJ - K2 - 3614 W0CZ - Ken - ND - K2 - 1031From Sunny Fargo :) KX2D - John - NJ - ? - ? Just could not drag enough signal out to get all the info. VE3XL - Ric - ON - relay help K5BGB - Rod - TX - K2 - 1126 On 7044 kHz at 0156z: AK2B - Tom - NY - K2 - 4482 VE3XL - Ric - ON - K1 - 968 NK8Q - Mark - PA - K2 - 4786 Your late model rig is doing just fine! W0CZ - Ken - ND - K2 - 1031 Still warmer than Buxton :( WA7BOC - Roger - WA - K2 - 755 Very fine signal this evening. QNI #40 N9IV - Russ - IN - K2 - 4650 K1EV - Bill - CT - K2 - 2152 Thanks for your NCS assistance. WU7R - Ci - MT - K2 - 4615 I enjoyed myself as alway and hope you all did too. If I missed you, again, I am sorry. 20 meters just was not supporting signals from same parts of the continent as well as others. We will be on the air next week if you want to your chances with propagation. Please send me any errors and I will post them as soon as I can. Thank you for the fun time. I really do get a kick out of running the Elecraft CW Net. I hope it goes on for a long while. 73, Kevin. KD5ONS (Net Control Operator 5th Class) K2 #2511 -- No virus found in this outgoing message. Checked by AVG Anti-Virus. Version: 7.0.308 / Virus Database: 266.9.1 - Release Date: 4/1/2005 ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
RE: [Elecraft] Elecraft CW Net Report for April 3rd and 4th, 2005
I guess I was in the one or two that were missed. I should have looked up your call to see where you were. Had the beam towards 5-land and could barely hear you. I called and you picked up a letter or two, I think. I finally figured out you are in OR off the side of the beam. I got the beam turned around, and could hear you 579, but then I couldn't hear anyone else off the OTHER side of the beam. I didn't see much fun in that so I went back to the County Hunters up the band 6 or 7 kc. Maybe when Tom, N0SS, is helping out and I can keep the beam on the East Coast. Otherwise I think I'm going to save the wear-and-tear on my rotor. Hi. Eric KE6US -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Kevin Rock Sent: Sunday, April 03, 2005 8:28 PM To: Elecraft Subject: [Elecraft] Elecraft CW Net Report for April 3rd and 4th, 2005 We had a pleasant net this evening. I met some new folks and got reacquainted with some of the others. Weak signals on 20 meters so I may have missed one or two. Sorry about that. But on 40 meters it was much better. There were certain parts of the continent which were much easier to work this evening. NJ, VA, ON, MN, ND, IN and PA were pretty easy. WA and CT were so strong I had to turn down my gain. But W7UR from MT had the hottest signal. Helena, Montana to Buxton, Oregon must be attached somehow. Very strong signal Ci! ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
