Re: [Elecraft] K4 recommendation - wait for HD or no?
On the subject of two radios operating in close proximity: I have a K3/10 (12w version) that I use with a KXPA-100 on 6m or HF. I have noted the noise level of the K3 S-meter rise about one s-unit when I transmit on 2m with the IC-9700 + 100w TE amplifier into a high-gain 2m vertical about 100-foot away from the 3-element 6m yagi. K3 is on 50.125 in SSB mode, but both radios physically on the same table. I've not been overly concerned, as trying to receive 6m while transmitting on 2m is not a normal operating situation for me. K3 is updated with latest Synthesizers (two). I suppose cable radiation could be the cause vs antenna-antenna pickup. Also have not tested IC-9700 harmonic output. Testing with K3 connected to my 500w Bird term probably would reveal this. Anyway thought it curious behavior for the K3 (SN 4340). 73, Ed - KL7UW may be sort-term situation as the shack will be moved into a new location in a couple months with new cables and grounding. __ 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: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to arch...@mail-archive.com
Re: [Elecraft] K4 recommendation - wait for HD or no?
Where I used to live I had a ham friend that lived about 5-6 blocks away. When we were both running Kenwood & Icom rigs we could tell when the other one was on the same band anywhere. With the amps on there were times we could hear each other on adjacent bands. Then we each built a K3. Then even when pushing a little power we had to be within a few KHz of each other to even be heard. Since we both operated in many of the same modes and contests we heard each other often when tuning across a band during a contest, but by keeping a couple of KHz away we had no issues. On Wed, Jan 18, 2023 at 8:45 PM Edward Mccann wrote: > Back in the day, the difference between nursery take and sea story was: > > Nursery story began, “A long time ago, in a land far away, ….” > > Sea Story began, “Now this is no Sh*t….” > > Ed McCann > AG6CX > > > On Jan 18, 2023, at 6:40 PM, Wes wrote: > > > > That's a story alright. > > > > > >> On 1/18/2023 7:01 PM, John Simmons wrote: > >> I recall reading *somewhere* the story of two hams that lived in > adjacent lots about 300-500 feet apart. They cooperated and tried lots of > remedies to eliminate interference with each other. They each wound up with > a K3. When the upgrades for the 'S' became available, both installed the > appropriate options in their K3 radios. After that they could operate > within 10 KHz of each other without knowing- at legal limit. YMMMV > >> > >> > > > > __ > > 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: http://www.qsl.net > > Please help support this email list: http://www.qsl.net/donate.html > > Message delivered to edwmcc...@gmail.com > __ > 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: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html > Message delivered to jimk...@gmail.com -- Jim K0XU j...@rhodesend.net __ 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: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to arch...@mail-archive.com
Re: [Elecraft] K4 recommendation - wait for HD or no?
Back in the day, the difference between nursery take and sea story was: Nursery story began, “A long time ago, in a land far away, ….” Sea Story began, “Now this is no Sh*t….” Ed McCann AG6CX > On Jan 18, 2023, at 6:40 PM, Wes wrote: > > That's a story alright. > > >> On 1/18/2023 7:01 PM, John Simmons wrote: >> I recall reading *somewhere* the story of two hams that lived in adjacent >> lots about 300-500 feet apart. They cooperated and tried lots of remedies to >> eliminate interference with each other. They each wound up with a K3. When >> the upgrades for the 'S' became available, both installed the appropriate >> options in their K3 radios. After that they could operate within 10 KHz of >> each other without knowing- at legal limit. YMMMV >> >> > > __ > 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: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html > Message delivered to edwmcc...@gmail.com __ 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: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to arch...@mail-archive.com
Re: [Elecraft] K4 recommendation - wait for HD or no?
That's a story alright. On 1/18/2023 7:01 PM, John Simmons wrote: I recall reading *somewhere* the story of two hams that lived in adjacent lots about 300-500 feet apart. They cooperated and tried lots of remedies to eliminate interference with each other. They each wound up with a K3. When the upgrades for the 'S' became available, both installed the appropriate options in their K3 radios. After that they could operate within 10 KHz of each other without knowing- at legal limit. YMMMV __ 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: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to arch...@mail-archive.com
Re: [Elecraft] K4 recommendation - wait for HD or no?
I recall reading *somewhere* the story of two hams that lived in adjacent lots about 300-500 feet apart. They cooperated and tried lots of remedies to eliminate interference with each other. They each wound up with a K3. When the upgrades for the 'S' became available, both installed the appropriate options in their K3 radios. After that they could operate within 10 KHz of each other without knowing- at legal limit. YMMMV -- 73, -de John NI0K rural Debs, MN https://www.qrz.com/db/ni0k Dave (NK7Z) wrote on 1/18/2023 7:40 PM: Hello Joe, I am in somewhat the same situation as you are, just not as bad... I have a KW level Amateur living about 700 feet from me. I had a K3, and as long as we were not within 50 KHz of each other, he really did not bother me, save when he was hammering his ALC-- but that is a different story... I also have several other Amateurs all living maybe 1 to 2 mile from me. All running 500 to 100 watts. I was very worried that the K4D would have issues with any of them when they were transmitting. So far the K4D had behaved as the K3 did, some interference, (not much), when the KW level fellow comes on line, and only on the same band. I have tested other bands while the KW level ham is transmitting, and if I am on a different band, I can not hear him... With regards to the Amateur running 500 watts a mile from me, the K4D behaves marginally BETTER than the K3 did. That is not the same as having another ham a one wavelength away, as you describe, so your mileage WILL vary... I will NOT be purchasing the HD module, as it appears I do not need it... My guess is you will see worse performance than I do, due to your very close proximity to the other Amateur, but I can't predict how much worse... The K4D is remarkably tolerant of strong signals. 73, and thanks, Dave (NK7Z) https://www.nk7z.net ARRL Volunteer Examiner ARRL Technical Specialist, RFI ARRL Asst. Director, NW Division, Technical Resources On 1/18/23 11:53, Joseph M. Durnal wrote: I share a property line with another ham. Some of his low band wires are within a wavelength of my vertical. When he's transmitting, I rarely notice with K3 unless I'm really close. The IC-7300, he can wipe out my receive if we are trying to work on the same portion of the band. I have my sights set on a K4D, but wondering if I should be considering the HD version. Thanks & 73 de Joe NE3R __ 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: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to d...@nk7z.net __ 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: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to jasimm...@pinewooddata.com __ 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: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to arch...@mail-archive.com
Re: [Elecraft] K4 recommendation - wait for HD or no?
Hello Joe, I am in somewhat the same situation as you are, just not as bad... I have a KW level Amateur living about 700 feet from me. I had a K3, and as long as we were not within 50 KHz of each other, he really did not bother me, save when he was hammering his ALC-- but that is a different story... I also have several other Amateurs all living maybe 1 to 2 mile from me. All running 500 to 100 watts. I was very worried that the K4D would have issues with any of them when they were transmitting. So far the K4D had behaved as the K3 did, some interference, (not much), when the KW level fellow comes on line, and only on the same band. I have tested other bands while the KW level ham is transmitting, and if I am on a different band, I can not hear him... With regards to the Amateur running 500 watts a mile from me, the K4D behaves marginally BETTER than the K3 did. That is not the same as having another ham a one wavelength away, as you describe, so your mileage WILL vary... I will NOT be purchasing the HD module, as it appears I do not need it... My guess is you will see worse performance than I do, due to your very close proximity to the other Amateur, but I can't predict how much worse... The K4D is remarkably tolerant of strong signals. 73, and thanks, Dave (NK7Z) https://www.nk7z.net ARRL Volunteer Examiner ARRL Technical Specialist, RFI ARRL Asst. Director, NW Division, Technical Resources On 1/18/23 11:53, Joseph M. Durnal wrote: I share a property line with another ham. Some of his low band wires are within a wavelength of my vertical. When he's transmitting, I rarely notice with K3 unless I'm really close. The IC-7300, he can wipe out my receive if we are trying to work on the same portion of the band. I have my sights set on a K4D, but wondering if I should be considering the HD version. Thanks & 73 de Joe NE3R __ 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: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to d...@nk7z.net __ 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: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to arch...@mail-archive.com
Re: [Elecraft] K4 recommendation - wait for HD or no?
Get the K4D now and see how it does in your situation with your and your neighbor's operating habits. By the time the HD upgrade is available, you'll know whether you want it. I've been very happy with K4D at Field Day sites and in high power SO2R operation except when two stations are on the same band. 73, /Rick N6XI On Wed, Jan 18, 2023 at 11:54 AM Joseph M. Durnal wrote: > I share a property line with another ham. Some of his low band wires are > within a wavelength of my vertical. When he's transmitting, I rarely > notice with K3 unless I'm really close. The IC-7300, he can wipe out my > receive if we are trying to work on the same portion of the band. > > I have my sights set on a K4D, but wondering if I should be considering the > HD version. > > Thanks & 73 de Joe NE3R > __ > 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: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html > Message delivered to rta...@gmail.com > -- -- Rick Tavan Truckee and Saratoga, CA __ 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: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to arch...@mail-archive.com
Re: [Elecraft] K4 recommendation - wait for HD or no?
I haven't yet encountered a situation where I said, "Gee, I really wish I had that HD front end." Not to say it won't happen but I don't have any big gun neighbors. Buck, K4IA Honor Roll 8BDXCC Author EasyWayHamBooks.com License and Operating Manuals On 1/18/2023 3:39 PM, Jim Brown wrote: On 1/18/2023 11:53 AM, Joseph M. Durnal wrote: I have my sights set on a K4D, but wondering if I should be considering the HD version. I bought a K4D. The HD is a module upgrade, not yet available. 73, Jim K9YC __ 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: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to radiok...@gmail.com __ 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: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to arch...@mail-archive.com
Re: [Elecraft] K4 recommendation - wait for HD or no?
On 1/18/2023 11:53 AM, Joseph M. Durnal wrote: I have my sights set on a K4D, but wondering if I should be considering the HD version. I bought a K4D. The HD is a module upgrade, not yet available. 73, Jim K9YC __ 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: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to arch...@mail-archive.com
[Elecraft] K4 recommendation - wait for HD or no?
I share a property line with another ham. Some of his low band wires are within a wavelength of my vertical. When he's transmitting, I rarely notice with K3 unless I'm really close. The IC-7300, he can wipe out my receive if we are trying to work on the same portion of the band. I have my sights set on a K4D, but wondering if I should be considering the HD version. Thanks & 73 de Joe NE3R __ 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: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to arch...@mail-archive.com
