Re: [Elecraft] Weird K-3 Power Behavior

2024-04-06 Thread Joe Subich, W4TV
flector (of which he is a member, I believe) he should be the one to do so.  I know him to be a retired professional electronic engineer with a well-equipped workbench whose analyses seemed credible to me (who is none of those hi). 73, Pete N4ZR On 4/6/2024 4:47 PM, Joe Subich, W4TV wrote: Since you

Re: [Elecraft] Weird K-3 Power Behavior

2024-04-06 Thread Joe Subich, W4TV
On 4/6/2024 3:58 PM, Pete Smith N4ZR wrote: Yes - although there have also been some analysis done that seems to show that, in FT8, with any ALC bars visible, signals begin to widen out, and at 4 bars there is a lot of junk between signals. Just repeating what I've been told - I don't have

Re: [Elecraft] Weird K-3 Power Behavior

2024-04-04 Thread Joe Subich, W4TV
the power a tiny fraction in either direction, why does the K-3's output power drop way back and relatively slowly recover? 73, Pete N4ZR On 4/4/2024 7:41 PM, Joe Subich, W4TV wrote: This is typical for those who insist on not running data modes with 4-5 bars of ALC.  You are not providing enough

Re: [Elecraft] Weird K-3 Power Behavior

2024-04-04 Thread Joe Subich, W4TV
This is typical for those who insist on not running data modes with 4-5 bars of ALC. You are not providing enough audio and the K3/K3s needs to engage the expander (additional audio gain) in order to achieve enough drive to reach the set power level. 73, ... Joe, W4TV On 4/4/2024 6:21

Re: [Elecraft] K2/100 down power on 20M

2024-03-16 Thread Joe Subich, W4TV
But before that, I should redo the test with a dummy load. Yes. And it's not just gain decreasing with rising frequency, because it does 92W on 15M, 76W on 10M. First suspicion ... check the alignment of your bandpass filters. 73, ... Joe, W4TV On 3/16/2024 11:56 AM, jerry wrote:

Re: [Elecraft] P3 history

2024-03-07 Thread Joe Subich, W4TV
Please look at the K3s Owners Manual. The cabling necessary to connect the K3S (and K3 with KIO3B) RJ45 Serial connection to the 2 x DB9 connectors of the P3 or to connect the K3 (DB9) serial connection to the P3 ... is fully documented there. 73, ... Joe, W4TV On 3/7/2024 6:41 PM,

Re: [Elecraft] Old topic RE: CM500

2024-02-14 Thread Joe Subich, W4TV
ot; method as using the correct cushions the way they were designed is quick, easy and neat. Forwarded Message Subject: Re: [Elecraft] CM 500 Ear Covers - Update Date: Sun, 21 May 2023 12:23:30 -0400 From: Joe Subich, W4TV To: elecraft@mailman.qth.net A follow-up ... Since I had

[Elecraft] Fwd: My K3S Has Issues- Ideas?

2024-02-12 Thread Joe Subich, W4TV
ISSUE: When the Power Output is increased over 12 watts the receiver sensitivity decreases several S-Units and power output goes to Zero. So I'm wondering if this could be something besides dead finals? TR switch diodes (one or more of D7, D8, D9, D1) on the LPA3? 73, ... Joe, W4TV On

Re: [Elecraft] K3 SUB-RX audio

2024-01-06 Thread Joe Subich, W4TV
In Windows Sound Control Panel ... select the Recording tab then select "microphone (USB Audio CODEC)" - the KIO3B ... select the Advanced tab and make sure Default Format is to "2 ch, 16 bit, 48000 Hz (DVD Quality)" 73, ... Joe, W4TV On 1/6/2024 2:11 AM, ev...@pa2kw.com wrote: Setup

Re: [Elecraft] User's Dilemma

2023-12-15 Thread Joe Subich, W4TV
with Joe, W4TV, the expert knowledge base is in Watsonville. 73 Bob, K4TAX On 12/15/2023 11:57 AM, elecraft-requ...@mailman.qth.net wrote: Message: 5 Date: Thu, 14 Dec 2023 13:03:23 -0500 From: "Joe Subich, W4TV" To:elecraft@mailman.qth.net Subject: Re: [Elecraft] User's Dilemma

Re: [Elecraft] User's Dilemma

2023-12-14 Thread Joe Subich, W4TV
They clearly aren't interested in setting up a third party repair center. Given the cost of setting up and running a second "factory warranty/repair center" it just doesn't make sense. Notice that none of the other radio manufacturers offer duplicate facilities on the east/west coast ... even

Re: [Elecraft] Yamaha CM500 Headset

2023-10-11 Thread Joe Subich, W4TV
Both of my CM500s - one a dozen or so years old, the other about five hears old - have stops that limit the mic rotation to around 160 degrees (just shy of vertical up to just shy of vertical down). I see no way of putting the mic on the right side - at least without completely disassembling

Re: [Elecraft] Behringer XM1800S Mic Does not work on k3

2023-09-27 Thread Joe Subich, W4TV
How have you wired the cable? The Behringer mic is designed (XLR 3) for a balanced audio connection. Wire the cable with pin 2 of the XLR to the tip of a 3.5mm plug, pin 3 to the sleeve of the 3.5mm plug and the cable shield to the sleeve of the 3.5mm plug (no connection to the XLR). Connect

Re: [Elecraft] K3 Volume knob failure: second time!

2023-09-23 Thread Joe Subich, W4TV
> Anyone know if this knob is still available? E980091/E980092 are both listed at $8.95 each ($19.00 for the pair) 73, ... Joe, W4TV On 9/23/2023 11:24 AM, Tom Doligalski via Elecraft wrote: Took K3 #969 to the beach this week and was

Re: [Elecraft] AT1 Attenuator

2023-09-22 Thread Joe Subich, W4TV
Looking at the AT1 manual, the switches and traces are certainly not 50 Ohm transmission lines. As such, one gets all kinds of stray behavior. While you do not say at what frequency or range of frequencies you made your test, I would suspect you will see higher SWR as one goes up in frequency

Re: [Elecraft] K2 Band Data

2023-09-01 Thread Joe Subich, W4TV
I see that the aux bus cable - for PC connection - is documented. Looks like pin 1 is the shell, pin 2 & 3 are the RXD and TXD, and pin 5 is the common. And the protocol is async RS-232 4800 baud, 2 stop bits. That part is the standard CAT interface. There are several MCU based band decoders

[Elecraft] Fwd: K2 Band Data

2023-09-01 Thread Joe Subich, W4TV
On 9/1/2023 2:36 PM, jerry wrote: Is there any convenient connector inside the radio with band data? No. You would need to tap and decode Elecraft's proprietary AuxBus control data. Doesn't have to be the 4-bit binary that the linear expects... I would make up something to convert it.

Re: [Elecraft] Interesting observations after installing antenna switch

2023-08-29 Thread Joe Subich, W4TV
Download (or look at) the schematic for the switch/controller. It has 3.3V zener diodes across each of the BCD inputs. The K3/K3S has pull-up resistors to *5 V* on each of the BCD outputs. The switch is not allowing the inputs to the KPA500 to reach the 5V necessary to resister as "High" thus

Re: [Elecraft] CM-500 Question

2023-08-08 Thread Joe Subich, W4TV
On 8/8/2023 12:16 AM, Jack Brindle via Elecraft wrote: As contesters who wear headphones as much as 48 hours straight on weekends, we find comfort to be one of the most important assets of any headphone. Here is the key! K8JHR calls the CM500 earpads "flat and lack luster" but they are

Re: [Elecraft] A Good Headset For A K3

2023-08-07 Thread Joe Subich, W4TV
Get a Heil AD1-K or the INRAD equivalent adapter. That will provide you an 1/8" jack for the mic and a 1/4" jack for a foot switch or hand PTT from the front panel regardless of what headset you end up selecting. 73, ... Joe, W4TV On 8/7/2023 1:30 PM, Eric Fitzgerald wrote: Wow, Thank

Re: [Elecraft] K3 Power-hunting on FT8

2023-07-23 Thread Joe Subich, W4TV
Doppler caused "spreading" is readily identified ... the spreading is generally in one direction (because airport "patterns" run in one direction) and often manifests as a second signal offset by 60-80 Hz (which can be independently decoded). IMD is generally in both directions and can not be

Re: [Elecraft] Power hunting

2023-07-23 Thread Joe Subich, W4TV
On 7/23/2023 11:48 AM, Gmail wrote: Unlike many other digital modes, FT8 is a constant carrier, constant envelope mode. This is true for any "N of M tone" FSK mode where N is 1. However, the DSP filtering in both the K3 and K4 has a finite delay which causes some "spreading" of energy from

Re: [Elecraft] K3 Power-hunting on FT8

2023-07-21 Thread Joe Subich, W4TV
Are you sure the "technically-qualified local ham" was not running his tests in SSB instead of DATA A? There are more than a few "technically- qualified" individuals who insist on using SSB instead of DATA_A with WSJTX and that makes all the difference in the ALC display. Again, READ THE K3

Re: [Elecraft] K3s Receive EQ

2023-06-26 Thread Joe Subich, W4TV
Parametric EQs are much less flexible than a graphical. When it comes to graphical, the RX EQ built into the K3 is much better suited to the job at hand than most of the small 6/7/8 band consumer products that generally have "bands" up to 20 or 40 KHz that are wasted for our purposes. The K3 RX

Re: [Elecraft] CM 500 Ear Covers - Update

2023-05-21 Thread Joe Subich, W4TV
covers ($8 for 2 pair) the cost is far less than an equivalent replacement headset (the CM-500 is currently $60 on Amazon). 73, ... Joe, W4TV On 5/8/2023 6:14 PM, Joe Subich, W4TV wrote: On 5/2/2023 12:03 PM, Walter Underwood wrote: The Koss UR-20 is the same headphone as the Yamaha CM-5

Re: [Elecraft] CM 500 Ear Covers

2023-05-08 Thread Joe Subich, W4TV
On 5/2/2023 12:03 PM, Walter Underwood wrote: The Koss UR-20 is the same headphone as the Yamaha CM-500 and Koss SB-40, but without a boom mic. The link to these replacements was posted in this email reflector (11/1/19) by Josh W6XU. These are the ones I ordered. Unfortunately, the SB-40

Re: [Elecraft] Using KIO3B for digital and AFSK RTTY

2023-05-03 Thread Joe Subich, W4TV
Nothing to read ... simply make sure you have *nothing* connected to the Line IN jack and use "Speaker (USB CODEC)" exactly as you have been using any external sound card. Use AFSK_A as your RTTY mode, DATA_A as your general digital (FT4/FT8) mode. Set MENU:MIC_SEL = Line In for Data modes and

Re: [Elecraft] TL-922

2023-03-29 Thread Joe Subich, W4TV
The TL-922 does not have snubber diodes across it 100V relays. The back EMF spike will kill the KeyOut circuit in the K3. *ALWAYS* use a key line buffer with a TL-922 that has not been fitted with a soft key circuit. 73, ... Joe, W4TV On 3/29/2023 8:25 AM, Mark Musick wrote: Per the K3

Re: [Elecraft] [K3] Odd transmit power output behavior on TX DATA

2022-12-30 Thread Joe Subich, W4TV
One band or all bands? Have you done the power calibration routine recently? 73, ... Joe, W4TV On 2022-12-30 10:34 AM, Bill Coleman via Elecraft wrote: I own two K3/100 radios. One is SN70xx, another SN87xx. On one of them, I observe an odd behavior with transmit power output. Even

Re: [Elecraft] Yamaha Headphones

2022-11-21 Thread Joe Subich, W4TV
On 2022-11-21 3:23 PM, Walter Underwood wrote: > Yes, a $400 dynamic mic sounds great. Many broadcast mics are nowhere near $400 (at least not when I was specifying/buying them). The hand mics you typically see in the field on TV newscasts and the lavs on anchor lapels are (where) < $150 ...

Re: [Elecraft] Recommendation for Microphone for K3s?

2022-11-02 Thread Joe Subich, W4TV
On 2022-11-02 12:34 PM, Lou Laderman via Elecraft wrote: > Nobody has yet suggested RadioSport boomsets (Arlan Communications, At $299 each (on sale) they are like the Heil headsets, grossly over priced for what you get - 5 X the price for the CM500 or SB45. The RadioSport sets are much

Re: [Elecraft] Recommendation for Microphone for K3s?

2022-11-01 Thread Joe Subich, W4TV
Almost any quality microphone will work with the K3s ... For a basic dynamic mic take a look at: For an electret, even an inexpensive "computer mic" like this will do a credible job:

Re: [Elecraft] K3S Receiver Issue on FT8

2022-10-24 Thread Joe Subich, W4TV
What is the "shift" in your K3? Sounds like your center frequency is somewhere around 2500 Hz instead of 1500 Hz. 73, ... Joe, W4TV On 2022-10-24 4:20 PM, RVZ via Elecraft wrote: All of a sudden my K3S isn't receiving FT8 signals that are transmitting on frequencies under 950 khz even

Re: [Elecraft] K3S- USB problem

2022-09-17 Thread Joe Subich, W4TV
Only have Comport 5 is available and while it will do basic radio control of the K3S such as band changes it won't transfer audio to the computer which is needed for digital modes. Any ideas why I lost my virtual ports 13 & 14 and how to get them back? 1) The K3S (or K3 with KIO3B) supports

Re: [Elecraft] K3 INTERFACE WITH LDG Z100A

2022-09-03 Thread Joe Subich, W4TV
TV On 2022-09-03 12:07 AM, Julia Tuttle wrote: But it sounded like Greg could *not* find a K3-specific cable -- are you saying there is one that he just hasn't found? On Fri, Sep 2, 2022, 22:57 Joe Subich, W4TV <mailto:li...@subich.com>> wrote: On 2022-09-02 9:09 PM, Julia Tuttl

Re: [Elecraft] K3 INTERFACE WITH LDG Z100A

2022-09-02 Thread Joe Subich, W4TV
their interfaces look like. Hopefully the needed signals clearly match up, but if not, feel free to come back to the list with the specific signals you're having trouble routing or converting. 73, Julie On Fri, Sep 2, 2022, 18:32 Joe Subich, W4TV wrote: I suggest you contact LDG for help

Re: [Elecraft] K3 INTERFACE WITH LDG Z100A

2022-09-02 Thread Joe Subich, W4TV
I suggest you contact LDG for help with their product. 73, ... Joe, W4TV On 2022-09-02 5:46 PM, greg best wrote: I have tried to find a cable that goes from my K3 to the LDG Z100A tuner but all I see is just a cable with a Molex like connector going to the tuner and nothing on the

Re: [Elecraft] External Preamp & RX ANT IN/OUT

2022-08-31 Thread Joe Subich, W4TV
What preamp are you using? Specifically, what are you trying to accomplish? The basic answer is: connect RX Ant Out to the preamp input and connect the preamp output to RX Ant In. Activate (tap) RX ANT to toggle the external preamp in/out. If the preamp has its own bypass relay you can use

Re: [Elecraft] switchbox KX3 to signalink/mike+headphones

2022-07-24 Thread Joe Subich, W4TV
On 2022-07-23 9:34 PM, Brian Hunt wrote: Pretty simple home brew project, I would think. Four stereo jacks, a DPDT switch, a small box and a capacitor should do it. It would take a four pole double throw (mic, PTT, L Audio, R Audio) or two DPDT switches. 73, ... Joe, W4TV On 2022-07-23

Re: [Elecraft] Stacking K3-line: variation on recent thread

2022-07-23 Thread Joe Subich, W4TV
On 2022-07-23 7:13 PM, Ian Kahn wrote: > If it were me, I'd go (bottom to top) KAT500-KPA500-K3. For me, the order (bottom to top) would be K3, KAT500, KPA500 because one is much more likely to use the K3 controls than either of the other two. Raising the arm extensively for tuning the band

Re: [Elecraft] K3S - High SWR on 6 Meters

2022-06-13 Thread Joe Subich, W4TV
> Any advice? > A spur/oscillation in the KPA3A? > A relay stuck/not switching? Are you sure there is no breakdown in your antenna, feedline or external antenna switch? Infinite SWR on the external meter would indicate an issue beyond it. Are you seeing the problem on any other band? with

Re: [Elecraft] Icom SM-2 Microphone and K3

2022-06-09 Thread Joe Subich, W4TV
From the schematic there should not be an issue unless the K3/K3s mic bias can't provide enough current for the preamp board. 73, ... Joe, W4TV On 2022-06-09 12:03 AM, Dave (NK7Z) wrote: Hi, Has anyone here wired an Icom SM-2 to a K3 and had luck with this?  Any surprises in this?

Re: [Elecraft] CW, Here I come!

2022-05-31 Thread Joe Subich, W4TV
I hear a tone when I operate the straight key but the volume is low > and I can’t change the tone. Level is controlled by the MON in CW (hold CMP/PWR). Frequency is controlled by "Pitch" (Hold SPOT). > How about some sequential help on this? All in the Owner's Manual. 73, ... Joe,

Re: [Elecraft] Have a K-2 SN 01049

2022-05-31 Thread Joe Subich, W4TV
Don, You are conflating two different rigs. 01949 is the QRP rig mentioned by W6YCA who has no idea of what is installed, etc. Tim does not know the serial number of the K2/100 with SSB, DXP and KAT100 owned by his friend (that has only receive "lowball" offers). It is the K2/100 that you

Re: [Elecraft] The Dreaded 400 Hz hump

2022-05-20 Thread Joe Subich, W4TV
On 2022-05-20 8:36 PM, jerry wrote: > I remember reading a magazine article many years ago... QST, Dec 1977, Nov and Dec 1978 also the ARRL Handbook, 57th Edition (1980). They showed a hole of frequencies in the normal human voice audio spectrum where there is not much energy. It was

Re: [Elecraft] Kenwood MC-60 Mic with a K3?

2022-05-17 Thread Joe Subich, W4TV
On 2022-05-17 1:19 PM, Eric Fitzgerald wrote: > > Can you use a Kenwood MC-60 desktop mic with an Elecraft K3? If you have an MC-60 (not MC-60A), you can use it "as is". The only difference is that Elecraft and Kenwood reverse pins 5 and 6. Pin 5 is +8V for Kenwood, Pin 6 is +5V for Elecraft.

Re: [Elecraft] Kenwood MC-60 Mic with a K3?

2022-05-17 Thread Joe Subich, W4TV
On 2022-05-17 1:42 PM, Derek Brown wrote: > I did with mine. No mod needed. I did do menu, FPHbias. *DO NOT* use bias with an MC-50/MC-60. The microphone is dynamic (moving coil) and DC on the coil can *DAMAGE* the element (true for *any* dynamic mic). FP.H is the correct setting *without*

Re: [Elecraft] Antenna Quandary

2022-05-11 Thread Joe Subich, W4TV
On 2022-05-11 8:02 PM, Jim Brown wrote: > On 5/11/2022 1:56 PM, Richard wrote: >> Anybody out there super-well versed in the behavior of the half-wave >> dipole? > > You do have a copy of the ARRL Handbook, don't you? Every ham should > have one, and there's a lot of tutorial material in it.

Re: [Elecraft] K3 Preamp

2022-05-07 Thread Joe Subich, W4TV
That's not a function of the synth boards. It's a function of the KXV3B. KXV3 had no preamp, KXV3A added support for the internal transverter and KXV3B integrated the second preamp for 18 MHz and up. 73, ... Joe, W4TV On 2022-05-07 5:40 PM, Mike Fatchett W0MU wrote: I thought there were

Re: [Elecraft] KAT 500 and the Yaesu FTDX10

2022-05-05 Thread Joe Subich, W4TV
To which connector did your KAT500/FTdx1200 tuner cable attach? The Tuner jacks are the same on both FTdx1200 and FTdx10 as are the "Linear" jacks. 73, ... Joe, W4TV On 2022-05-05 3:17 PM, Greg Chartrand via Elecraft wrote: I just purchased a ftdx10 and wondered if the band data cable

Re: [Elecraft] Rig control error with K3S and WSJT-X on 30 meters

2022-04-19 Thread Joe Subich, W4TV
Band specific problems are nearly always the result of common mode RFI (RF on the feedline/rig/CAT cable). Start by testing into a dummy load or with QRP (<5W) output. After that, use the normal common mode elimination measures, quality chokes at the antenna feedpoint(s), bonding all of the

Re: [Elecraft] Shipping via UPS - A Lesson Learned the Hard Way

2022-04-11 Thread Joe Subich, W4TV
On 2022-04-11 6:29 PM, eda...@aya.yale.edu wrote: > The UPS Store does not charge real UPS rates. They have UPS in their name. They use a logo indistinguishable from the UPS logo. Their counter clerks wear UPS Brown. There was a standar UPS truck parked in front of the shop. There was NOTHING

Re: [Elecraft] K3 and Kenwood MC-50 mike

2022-04-11 Thread Joe Subich, W4TV
On 2022-04-11 10:55 AM, David Woolley wrote: RF PAs are also, typically, much lower impedance than their design load. Except they *DO HAVE* impedance matching - typically a broadband output transformer (4:1, 9:1, 16:1) to 'get close' followed by some kind of "antenna tuner" (automatic or

Re: [Elecraft] K3 and Kenwood MC-50 mike

2022-04-09 Thread Joe Subich, W4TV
I do have the K3 set for high impedance for the MC-50 (tap 1 in the mic selection menu) and then I switch to low impedance for the CM-500. In MENU:MIC SEL, tapping 1 toggles between high gain (dynamic mic) and low gain (electret mic) input levels. I tried low impedance with the MC-50 (yes

Re: [Elecraft] RPN Calc App For Android

2022-01-30 Thread Joe Subich, W4TV
I still have an HP15C on my desk that I picked up when I was working at the Ohio State University and taking EE/Computer Science from '79- '84. It replaced an earlier model (probably an HP-25) in which both the battery and LED module failed. The 15C is still ticking right along with new

Re: [Elecraft] K3s USB sound card not receiving MMTTY audio

2022-01-09 Thread Joe Subich, W4TV
> I feel stupid for overlooking this setting, but honestly I don't > remember doing it in the past when setting up for other RTTY contests, > or switching back to MIC afterward. I need to check MMTTY and N1MM to > see if either sends any commands to the K3 to do this automatically. Use

Re: [Elecraft] Simulated stereo

2021-12-25 Thread Joe Subich, W4TV
On 2021-12-25 6:46 PM, Douglas Hagerman via Elecraft wrote: Some of the various Heil headphones, including the one on the Elecraft site, have a switch that passively selects between mono and simulated stereo by changing the phase between the two sides. Any *Stereo* headphones can

Re: [Elecraft] K3 AND FT8 USING CAT CONTROL NO TX RF

2021-12-23 Thread Joe Subich, W4TV
How is audio connected from your computer to the K3? Are you connected to the mic jack or the "Line In" jack? What mode are you using USB or DATA_A (preferred)? What are your MENU:MIC SEL and MENU:MIC+LINE settings? 73, ... Joe, W4TV On 2021-12-23 5:40 PM, greg best wrote: i have

Re: [Elecraft] Fwd: Need a logger recommendation

2021-12-22 Thread Joe Subich, W4TV
Can anyone recommend a good logger that includes some kind of alert via text or email when a spot appears for one I need? DXLab Suite (DXKeeper, SpotCollector, etc.) by AA6YQ SpotCollector also includes the ability to generate text/e-mail alerts. 73, ...

Re: [Elecraft] K3 Frequency Calibration

2021-12-19 Thread Joe Subich, W4TV
I use WSJTX but not in its CAL mode. Simply set the VFO for x.000 on the highest frequency you can reliably hear WWV (10, 15, 20 or 25 MHz) and "dial in" the audio tone (SSB or DATA A) to the proper 500/600 Hz frequency using REF CAL. I've stopped using the "toggle between USB/LSB or CW/CW_R"

Re: [Elecraft] ID a small board

2021-12-05 Thread Joe Subich, W4TV
In a small zip bag was board with a 4 pin connector on each end. On the back it is printed "Remove to instal KPA3". Probably a "KPA Jumper Block" ... it is installed for low power operation if the KPA3 is removed. 73, ... Joe, W4TV On 2021-12-05 4:36 PM, Neil Foster wrote: Recently I

Re: [Elecraft] Rx-In/Out used for exteranl SDR Device

2021-12-05 Thread Joe Subich, W4TV
This only works 1) if the SDR impedance is consistently high from 100 KHz to 54 MHz and 2) the SDR has excess gain to compensate for the loading from the K3 receiver. However without a splitter, there is no protection for the K3 receiver against spurious signals generated by the SDR! 73,

Re: [Elecraft] Rx-In/Out used for exteranl SDR Device?

2021-12-05 Thread Joe Subich, W4TV
On 2021-12-05 12:35 PM, Dave wrote: I have no idea about Minicircuits splitters, but my home made one had a measured 3.1 dB loss at 29.7 MHz. Only 0.1 dB is "loss" - an unamplified two way splitter will show at 3 dB reduction in signal level from input to either of the output ports just

Re: [Elecraft] what soundcard for K3 and Mac

2021-10-31 Thread Joe Subich, W4TV
What I haven’t quite figured out is how important is this really is to weak signal digital decoding. Low noise in a sound card is important to weak signal decoding in two ways: 1) you want the inherent noise floor in the sound card to be 10 to 15 dB *LESS* than the minimum - receiver

Re: [Elecraft] feeding a half-wave dipole with ladder line

2021-10-28 Thread Joe Subich, W4TV
Your 130' dipole will be damn near impossible to feed on 40 meters as the center is very high impedance. You would be better served to hang a parallel dipole (33' per side) under the 65' wires and use RG213/RG8 for the vertical section. The additional 33' wires will give you marginally more

Re: [Elecraft] K3 / WSJT-X Delayed Transmit

2021-10-11 Thread Joe Subich, W4TV
Update to the latest WSJTX and hamlib. The problem is due to a timing issue in the older versions of hamlib not allowing WSJTX to begin audio until it receives certain CAT responses from the K3/K3s. Older versions of hamlib were doing too many (unnecessary) CAT commands. 73, ... Joe,

Re: [Elecraft] Stumped: K2/100 stopped going into Transmit for digital

2021-10-07 Thread Joe Subich, W4TV
On 2021-10-07 9:56 AM, Carter Craigie wrote: NO red transmit LED on the SignaLink USB, nor any transmitting bars show on the K2. No Problems with the receive. And the K2 responds to commands from the computer, such as changing frequencies and such. The Signalink is a brain dead external

Re: [Elecraft] K3s with sub receiver - filter mix and match question

2021-07-05 Thread Joe Subich, W4TV
Groping into my blurred memory, I think the benefit of having similar bandwidth filters (e.g 400hz, 2.7Khz or 2.1 KHz) in the main and sub receiver is diversity reception but I’m not sure. "Matched" filters were required for optimal diversity operation with the *original* synthesizer. With

Re: [Elecraft] HOA Crap

2021-06-29 Thread Joe Subich, W4TV
ne state to another and we don't have to start DXCC all over again. There's obviously no minimum length of time I have to remain at that new QTH, so it could be an hour or 40 years. Is the objection to the use of the internet to connect to that remote station? Dennis NJ6G On 6/29/2021 15:00, Joe

Re: [Elecraft] HOA Crap

2021-06-29 Thread Joe Subich, W4TV
On 2021-06-29 6:26 PM, Bill Frantz wrote: > I really don't think the amateur radio community has wrapped its mind > around the fact that many of us move around the country a lot. No, they understand that may move a lot. *HOWEVER* even the most mobile don't move around the country at the speed

Re: [Elecraft] HOA Crap

2021-06-29 Thread Joe Subich, W4TV
On 2021-06-29 5:40 PM, Doug Person wrote: I own a condo in Loveland, CO just south of Fort Collins. The HOA is a pain in the butt. My main residence is on the other side of the Rockies in rural northwestern Colorado where I have acreage, many wire antennas and a tower with a nice HexBeam on it.

Re: [Elecraft] Advice on K3 versus KX3

2021-05-22 Thread Joe Subich, W4TV
The question is: If I sold off the K3+P3, what would I be missing > with keeping just the KX3? Significantly lower composite noise even with the original synthesizer in the K3 (in addition to those items referenced by K9YC). 73, ... Joe, W4TV On 2021-05-22 4:57 PM, Phil Hystad via

Re: [Elecraft] Band decoder ala KRC2

2021-05-14 Thread Joe Subich, W4TV
microHAM Station Master: https://www.microham.com/contents/en-us/d132_SM.html http://microham-usa.com/store/product-info.php?pid12.html 73, ... Joe, W4TV On 2021-05-14 3:36 PM, Jim Cary wrote: Looking for a band decoder similar to the discontinued KRC2 for my K3 to control my

Re: [Elecraft] KPA500-KAT500 tuning settings

2021-05-09 Thread Joe Subich, W4TV
On 2021-05-09 1:23 PM, Bob Wilson, N6TV wrote: In the meantime, N4PY Pegasus Plus software can transform any supported transceiver's frequency into Kenwood format for the KAT500 as well, plus there are Icom/Yaesu/Kenwood translating hardware solutions

Re: [Elecraft] k3 STEPPIR 6Meters

2021-05-02 Thread Joe Subich, W4TV
a steppir on a tower if you can reach your passive 6M element. You don't have to order any parts to make this work. This was for the 3EL Steppir. Mike va3mw On Sun, May 2, 2021 at 8:42 AM Joe Subich, W4TV wrote: On 2021-05-02 3:59 AM, turnbull wrote:> Dear OMs and YLs,I believe if you

Re: [Elecraft] k3 STEPPIR 6Meters

2021-05-02 Thread Joe Subich, W4TV
On 2021-05-02 3:59 AM, turnbull wrote:> Dear OMs and YLs,I believe if you check online there is a modification to mounting the additional parasitic element possibly even adding yet another which is supposed to greatly improve the three element SteppIR six meter performance over that of the

Re: [Elecraft] This does not bode well for the chip users of the world

2021-04-29 Thread Joe Subich, W4TV
Welcome to the world of "just in time" inventory meets off shore production. Then couple that with a Chinese Communist Party that makes sure that Chinese companies get their orders filled before the rest of the world. Then don't forget that there are not enough shipping containers to

Re: [Elecraft] Speaker upgrade

2021-04-24 Thread Joe Subich, W4TV
Absolutely, I've used a pair with each of my K3(s) for several years. They replaced larger "bookshelf" speakers with no loss in quality. The little Pyle do not have the low end of the larger "bookshelf" speakers, the spectrum below 200 Hz or so is not something that is missed for

Re: [Elecraft] KX3 Frequency Shift in DATA A - What Am I Doing Wrong?

2021-04-23 Thread Joe Subich, W4TV
> What am I doing wrong? Nothing Or, is something wrong? No > Suggestions appreciated. You probably have WSJTX Settings -> Radio -> Split Operation set to "Radio" With Split Operation WSJTX will shift the transmit frequency +/- 1 KHz as necessary to keep the audio tone in the 1500-2000 Hz

Re: [Elecraft] Mode not Switching with band change?

2021-03-25 Thread Joe Subich, W4TV
The Band buttons in DXLab Suite/Commander's Bandspread window are each a band stack. They store the last five frequencies visited on each band. If the last frequency/mode on 40 meters was USB, that is what will be recalled. If the last frequency on 40 meters was CW, that will be recalled. You

Re: [Elecraft] K3 DATA A problem

2021-02-28 Thread Joe Subich, W4TV
> Audio is being fed from my PC to the K3's line input and I'm certain > that the radio is in DATA A and the Config for MIC SEL is set to LInE > In. It *sounds like* you are still in AFSK A and not DATA A. By default AFSK A has a narrow audio filter on the input of the modulator process (DSP)

Re: [Elecraft] Elecraft Support?

2021-02-26 Thread Joe Subich, W4TV
Try k3supp...@elecraft.com 73, ... Joe, W4TV On 2021-02-26 3:35 PM, Jay Radcliffe wrote: I have a K3 that I am having some trouble with (Low power output and 2m module no output). I have been emailing supp...@elecraft.com for weeks now and have gotten no response. 1. Is Elecraft

Re: [Elecraft] K3s USB audio problem; both channels identical

2021-02-20 Thread Joe Subich, W4TV
I found out that I lost the audio of the MAIN RX on the USB port of my K3s Thank Microsoft! In Windows Sound Control Panel (You may need to access it via Settings -> System -> Sound -> Related Settings) Select the Recording tab Select (double click) Line for USB Audio CODEC in the K3

Re: [Elecraft] Powering down K3 using DXLab Commander

2021-02-12 Thread Joe Subich, W4TV
The K3/K3S does not have any provision to turn on via the RS-232/USB interface. When it is powered down the processor is not running so there is nothing there to interpret commands. The only way to perform a remote power on is to pull the "power on" line of the ACC connector to ground for at

Re: [Elecraft] KPA1500 on AM

2021-02-04 Thread Joe Subich, W4TV
On 2021-02-04 3:12 PM, Grant Youngman wrote: Actually, that assumes that peak to avg is exactly 4. Which it rarely (never?) is with a real human voice. It also assumes the modulation is symmetrical and that the mic is wired with the correct polarity. > A monitor scope on the output is

Re: [Elecraft] Can I rent a K4?

2021-02-03 Thread Joe Subich, W4TV
Your numbers are entirely unrealistic for for a $4000 transceiver. The discount for a "used" (rental stock) device would need to be *at least* 20-25% (typical of "B Stock" in the professional AV world). A two to four week rental would need to be *at least* $500, if not more, to cover the

Re: [Elecraft] Can I rent a K4?

2021-02-03 Thread Joe Subich, W4TV
No, the deposit is typically for damage and/or late charges. Deposits are generally nowhere near to the replacement cost of expensive equipment. The real problem with rental returns ("B Stock") is that is can no longer be sold as new resulting in a loss of value that is often more than the

Re: [Elecraft] Email security

2021-01-30 Thread Joe Subich, W4TV
> Use a separate email account. Amen! I use a separate e-mail account for posting to e-mail lists *AND* "forums". My e-mail program is configured to accept e-mail to that address *only* from the lists. Any e-mail *NOT* from the lists to that address goes directly to the spam folder. Those

Re: [Elecraft] Subject: Waaay OT: A new kind of QRM to be aware of ... warning issued by FCC today

2021-01-18 Thread Joe Subich, W4TV
On 2021-01-18 2:55 PM, Phil Kane wrote: For a while, the FCC declined to take action against criminal (like "convicted") violators if the crime did not involve telecommunications law. I don't remember the actual case that Doug mentioned other than it wasn't one of mine :) Herb Schoenbohm,

Re: [Elecraft] Ten Tec Orion II and KPA500

2021-01-18 Thread Joe Subich, W4TV
> I am not sure about the O2 but it should fit to KPA. Not quite. According to the description this board takes BCD input and provides 12 one line per band active high outputs. It is just backward from what is needed to convert the Orion II "one line per band" output to the BCD for

Re: [Elecraft] Ten Tec Orion II and KPA500

2021-01-18 Thread Joe Subich, W4TV
> or alternatively has anyone designed something home brew to > achieve the purpose. Takes nothing more than a 74LS147 and some pull up resistors on the inputs and inverters (or open collector transistors with pull ups) on the outputs. The Orion II band outputs are open collector - maximum

Re: [Elecraft] Delivery of the K4

2021-01-06 Thread Joe Subich, W4TV
Al Lorona wrote: If by 'most infectious' you mean highest number of cases per 100K residentsin the last 7 days, that distinction goes to Arizona. If you mean most deaths per 100K in the last 7 days, CA isn't even close to Kansas in the top spot. Perhaps for now. However, if one considers

[Elecraft] Fwd: Any value in using a Microkeyer III with a K3S or K4?

2021-01-06 Thread Joe Subich, W4TV
Unless the interface is poorly designed (like some "low price" amateur only devices), the noise floor is generally set by the IF noise in the transceiver on the higher bands and by the "no signal" atmospheric noise on the low bands. A 24 bit sound card has the potential to provide greater

Re: [Elecraft] Any value in using a Microkeyer III with a K3S or K4?

2021-01-05 Thread Joe Subich, W4TV
eeding the A/D converter. There's also the issue of how the units address differing sample rates.WSJT-X works at 16-bits, 48 kHz. If the hardware runs at 96 or 192 kHz, how good are they at the conversion. And so on. 73, Jim K9YC On 1/4/2021 5:36 PM, Joe Subich, W4TV wrote: Are you aware of any

Re: [Elecraft] Any value in using a Microkeyer III with a K3S or K4?

2021-01-04 Thread Joe Subich, W4TV
t to support higher bit levels in upcoming versions of popular software? Thanks again, and 73! -- Courtney KD6X -Original Message- From: Joe Subich, W4TV Sent: Sunday, January 3, 2021 7:12 PM To: Courtney Krehbiel Subject: Re: [Elecraft] Any value in using a Microkeyer III wit

Re: [Elecraft] P3 Panadapter Cable Connections

2021-01-04 Thread Joe Subich, W4TV
On 2021-01-04 4:07 PM, Rick NK7I wrote: > While I don't have the Microham, the Y should be first in the series > (listen only port to the Microham); *NO!!!* The microHAM USB III is, in part, a USB to Serial converter. It provides the CAT connection to the transceiver and should be treated as a

Re: [Elecraft] P3 Panadapter Cable Connections

2021-01-04 Thread Joe Subich, W4TV
I recently purchased a P3 and connected it to my K3. The installation shares the RS232 connection with a Microham USB interface III for digital operation. I used a Y cable to connect both of these units simultaneously. That is the *WRONG WAY* to connect a K3, P3 and Computer. Connect the

Re: [Elecraft] Long messages

2021-01-04 Thread Joe Subich, W4TV
On 2021-01-04 8:38 AM, Louandzip via Elecraft wrote: That would def be my preference. 20 years ago, everything was reflectors, but Elecraft is the only one I'm dealing with now. Much of the traffic is not really relevant to me and a well structured forum would make it much quicker and

Re: [Elecraft] External sound card advice needed to attach to K3

2021-01-01 Thread Joe Subich, W4TV
bout 19 years on me but I don't feel like an old f***. I do feel like someone trying to hold back the tide with a push broom. 73, ... Joe, W4TV On 2021-01-01 8:23 PM, Phil Kane wrote: On 1/1/2021 1:57 PM, Joe Subich, W4TV wrote: The number of amateurs using some kind of DX alerting syst

Re: [Elecraft] External sound card advice needed to attach to K3

2021-01-01 Thread Joe Subich, W4TV
the shack and done on the desktop computer in the office.  I don't need audible alerts of anything, thanks. Wes  N7WS On 1/1/2021 11:58 AM, Joe Subich, W4TV wrote: That doesn't prevent other sounds - particularly VoIP (Zoom/Skype) and steaming audio (Pandor, Podcasts, etc.) from reachi

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