Re: [Elecraft] New CW audio recording: K3 vs. K4D

2020-06-24 Thread Bob Wilson, N6TV
I probably should have backed off the RF gain on the K4 as I had done on the K3, instead of leaving it wide open on a noisy band like 40m. 73, Bob, N6TV On Wed, Jun 24, 2020, 8:48 PM Macy monkeys wrote: > When I say smoother it's a very subjective observation. You mentioned AGC > differences

Re: [Elecraft] New CW audio recording: K3 vs. K4D

2020-06-24 Thread Macy monkeys
When I say smoother it's a very subjective observation. You mentioned AGC differences and that may very well be what I'm hearing. John K7FD > On Jun 24, 2020, at 8:42 PM, Bob Wilson, N6TV wrote: > >> On Wed, Jun 24, 2020 at 8:33 PM Macy monkeys wrote: > >> Overall, the K3 sounded a little

Re: [Elecraft] New CW audio recording: K3 vs. K4D

2020-06-24 Thread Bob Wilson, N6TV
On Wed, Jun 24, 2020 at 8:33 PM Macy monkeys wrote: > Overall, the K3 sounded a little smoother to my ears. I do not own a K3 > nor have I ordered a K4. But I would be happy with either one! > Please define "smoother". I prefer the K4 audio. Note that the recording starts with K3 audio. 73,

Re: [Elecraft] New CW audio recording: K3 vs. K4D

2020-06-24 Thread Wayne Burdick
Bob, The DSP code isn't quite settled yet. I can help you further optimize the K4 settings, including AGC and NR. (Note that the NR settings are completely different between the two. We're also working on a much more advanced NR algorithm the doesn't have the "hollow" LMS sound of the

Re: [Elecraft] New CW audio recording: K3 vs. K4D

2020-06-24 Thread Macy monkeys
Overall, the K3 sounded a little smoother to my ears. I do not own a K3 nor have I ordered a K4. But I would be happy with either one! John K7FD > On Jun 24, 2020, at 7:24 PM, Bob Wilson, N6TV wrote: > > 73, __ Elecraft mailing

[Elecraft] New CW audio recording: K3 vs. K4D

2020-06-24 Thread Bob Wilson, N6TV
This afternoon I made a 3-1/2 minute audio recording of two stations in QSO with each other on 40 CW, using both a K3 and K4D, and switching back and forth. Download here (2.3 MB): https://www.kkn.net/~n6tv/K3_vs_K4D_CW_Audio_by_N6TV_20200625.mp3 Recorded off rear headphone jack using an MK2R+

Re: [Elecraft] K4 Question

2020-06-24 Thread Eric Norris
My neighbor is 714ft (218m) away, running an ic7300 at 100w into a ZS6BW antenna at 40ft--aimed in my general direction. 73 Eric WD6DBM On Wed, Jun 24, 2020, 12:12 PM Greg Troxel wrote: > Wayne Burdick writes: > > > I set mutual attenuation to 30 dB, a rough estimate of the path loss > >

Re: [Elecraft] K4 Question

2020-06-24 Thread Fred Jensen
During the BPL conflagration a number of years ago, most of the concern seemed to be interference "to" amateur radio operations.  I became a bit concerned that my neighbor would go BPL and my 1200 HF watts would kill his I'net.  Technically and legally his problem, not mine of course, but I

Re: [Elecraft] I'm building a personal email list....

2020-06-24 Thread David Ferrington, M0XDF
Ken, take a look at groups.io 73 de David, M0XDF It's not enough that we do our best; sometimes we have to do what's required. - Winston Churchill > On 20 Jun 2020, at 17:26, Ken G Kopp wrote: > > John, > > It was a bungled effort to make a small personal mailing list.

Re: [Elecraft] K4 Question

2020-06-24 Thread Greg Troxel
Wayne Burdick writes: > I set mutual attenuation to 30 dB, a rough estimate of the path loss > using dipoles 500' apart at 7 MHz. This is a pretty wild guess, > though. Loss could be much higher if the antennas were oriented to > avoid coupling, and it'll vary with frequency, terrain, actual >

Re: [Elecraft] Kpa500

2020-06-24 Thread Morgan Bailey
I have built 3 of those and they are flawless. Excellent amps. They keep running and are the greatest thing out there. 73 Morgan NJ8M On Wed, Jun 24, 2020 at 11:44 AM WILLIE BABER wrote: > I received kpa500k yesterday evening, about 4:30 pm. I was done building > it at about 1:30 am, with time

Re: [Elecraft] Raspberry Pi Ham Programs

2020-06-24 Thread Dave
I am using a Pi running Buster OS. It is running Node Red which is a graphical programming interface to control and connect IoT devices. I have written a flow to control and monitor my KPA1500 remotely from any web browser. This includes peak reading wattmeter, SWR, temperature,

[Elecraft] Raspberry Pi Ham Programs

2020-06-24 Thread Terry Brown
If any of you are interested in using a Raspberry Pi for qrp/field operations, there is a great source of information for setting up you Pi for that. If you have not discovered KM4ACK's YouTube channel, you might consider doing so. I have been a Patreon member of his group and have followed

Re: [Elecraft] KAT500 Remote software and KPA500 remote software

2020-06-24 Thread Chris R. NW6V
"Once you turn it OFF with the front panel switch, it needs to be turned on the same way. After that, yes the utility is fully functional." I suspect the serial connection is getting confused and not properly reconnecting in the power up/down situation. I see that between the K3 and the Win4K3

[Elecraft] Kpa500

2020-06-24 Thread WILLIE BABER
I received kpa500k yesterday evening, about 4:30 pm. I was done building it at about 1:30 am, with time out for supper.  I did the HV test before going to bed. ...very easy build; however, I was already familiar with the hardware sizes which could otherwise slow down assembly. I like the small

Re: [Elecraft] K2 after kat2 install Q7 & 8 check

2020-06-24 Thread Russ Edelen
Thanks Don. To clarify the thread, I was reading infinite resistance. Russ KG7VQ On 6/24/2020 9:53 AM, Don Wilhelm wrote: Russ, Your statement of "no resistance" is misleading.  Several hams use that to indicate infinite resistance - because of the way their meter reads (blank reading)

Re: [Elecraft] K2 after kat2 install Q7 & 8 check

2020-06-24 Thread Don Wilhelm
Russ, Your statement of "no resistance" is misleading.  Several hams use that to indicate infinite resistance - because of the way their meter reads (blank reading) where in other cases, hams use that phrase to indicate zero ohms. In the future, be clear and use a numerical value - infinity 

Re: [Elecraft] K2 after kat2 install Q7 & 8 check

2020-06-24 Thread Russ Edelen
Thanks Don. That confirms the notion I had about needing the replacement kit. Russ KG7VQ __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post:

Re: [Elecraft] KAT500 Remote software and KPA500 remote software

2020-06-24 Thread Lyn Norstad
OK - the computer is Windows 7 Pro 64. Sorry I didn't mention that earlier. Running tests today, it is inconsistent. Sometimes it works, sometimes not. There is a sequence of events I can't quite discern that causes the failure. It is basically as I described, but sometimes not. How's that

Re: [Elecraft] New Heil HM10 XD Microphone - Poor Design?

2020-06-24 Thread Gwen Patton
I have an HM-10, but I've had it for about 15 years. It's on my Icom 746 Pro that I only currently use for 2m nets on Sundays, or if I feel like getting on the local 2m repeater. I'm considering installing it in my van for QRO field ops, though that'll require me getting a replacement 2m base rig.

Re: [Elecraft] New Heil HM10 XD Microphone - Poor Design?

2020-06-24 Thread Bill Steffey NY9H
headsets four years ago while on a bike trip along the Danube, my kx3's headset cable broke ... not to fear cause in the next village the locals had a 6$ computer headset, which I still keep in the kx3 setup. While it does have some 'rescue" tape on it it still works great. I don't think

Re: [Elecraft] New Heil HM10 XD Microphone - Poor Design?

2020-06-24 Thread Morgan Bailey
I quit using Heil products. Many of the ear muffs rotted off after one sweaty session at FD. I switched over to a $29.99 Logitec boom mic computer headset with 1/8 plugs. I figured it would break easily, I was wrong, I am still using it after 7 years and many sweaty operating conditions, FD,

Re: [Elecraft] K4 Question

2020-06-24 Thread Eric Norris
Hi Wayne, That gives me almost exactly the overhead I need if my neighbor buys an amp--or puts up a beam. Thanks! 73 Eric WD6DBM On Tue, Jun 23, 2020, 8:39 PM Wayne Burdick wrote: > I should have mentioned that with 30 dB simulated path loss and 10 W TX, > the received signal at each end is

Re: [Elecraft] K4 Question

2020-06-24 Thread Eric Norris
Hi Wayne, How far apart in frequency were the TX and RX signals into the respective radios? My guess is my neighbor is about 500ft away, but I will measure it with a gps. He has never tripped my K3 or K3S COR when we are on the same qrg. Thanks! 73 Eric WD6DBM On Tue, Jun 23, 2020, 8:16 PM

Re: [Elecraft] K4 Question

2020-06-24 Thread Victor Rosenthal 4X6GP
Well, that would certainly be enough for me. I have two loud line-of-sight neighbors, but they don't hit +10 dBm. Unfortunately they have "dirty" transceivers, so it doesn't matter. I suppose I should buy them K4s. 73, Victor, 4X6GP Rehovot, Israel Formerly K2VCO CWops no. 5