Re: [Elecraft] I am flummoxed about my antenna

As you are dealing with an inverted L and  the lengths you are using are about 1/4 wave on 160M for the inverted L.   You should have some inductance in series at the feed point to bring it close to resonance on 160M.    Ground loss in the system will only add to radiation resistance and make

Re: [Elecraft] Bose QC35 headphones impedance

There is a High gain and a Low gain setting for audio. In the CONFIG menu as I recall. Bob, K4TAX Sent from my iPhone > On Dec 1, 2018, at 10:28 PM, Gary Smith wrote: > > My QC15 headsets bit the dust and Bose > gave me a great price on a new one with > exchange. The QC15 had a modular

Re: [Elecraft] External AMP

The only thing the SB-230 needs to switch to transmit is to ground the center terminal of the RCA connector on the back. Now with the K3S you will need to provide an Amp Interface such as the Ameritron ARB-704.   The switching rating of the K3S Amp Key circuit is not rated for the voltage

Re: [Elecraft] 6m meteor scatter

Meteors can enter the atmosphere from just about any direction.    I generally point east to north to west, although any meteors entering to the south of me would also leave trails that reflect radio waves.    Depending on activity, very low at present, one should look for predominant

Re: [Elecraft] KAT500 antenna port grounding?

The schematic shows a 1 Meg resistor to ground and a gas discharge device, SA1, SA2, SA3 on each antenna port.  Also when the unit is not powered, it defaults to ANT 1 in the Bypass mode. Any lightning protection for your station should be accomplished outside of the house BEFORE the feed

Re: [Elecraft] K3S will not load or tune on 160 M/SOLVED

As a rule for many reasons, if you do not use ANT 2 with an antenna connected then by all means, put a dummy load on it. Even a 10W or 20W rated load.    It will save you much grief, frustration, and likely your PA. 73 Bob, K4TAX On 12/3/2018 7:54 PM, HB wrote: Easy is good!!! From:

Re: [Elecraft] bad audio at K4XU

I suggest you use the K3 utility and run a full power calibration. This does require a known good 50 ohm dummy load. If the problem persists, then I suspect failure of the LPA and/or the KPA3 stages. Contact Elecraft support. Bob, K4TAX Sent from my iPhone > On Dec 7, 2018, at 1:02 PM,

Re: [Elecraft] bad audio at K4XU

Good point Fred. Yes the voltage at the radio should be 13 to 14 volts under all conditions. Check power cables and connectors, visually, physically, and electrically. Bob, K4TAX Sent from my iPhone > On Dec 7, 2018, at 1:19 PM, Fred Jensen wrote: > > Is your power supply stable and at

Re: [Elecraft] Less Than Perfect Antennas [was Flumoxed]

There  is really little to no difference other than the manner to which one is supported.    Otherwise, it is relatively easy to steer the quasi pattern of an Inverted V just by moving the ends around.  The dipole, well a bit more of a challenge to steer. Plus a dipole is the isotropic

Re: [Elecraft] OT: [was Flumoxed]

If a close match to 50 ohms is required, it is best to adjust the angle for lowest SWR while maintaining resonance by adjustment of the length. 73 Bob, K4TAX On 12/7/2018 7:42 PM, Brian Denley wrote: When I changed my 40 meter dipole from flat to inverted vee, I had to shorten the legs as

Re: [Elecraft] Less Than Perfect Antennas [was Flumoxed]

While I agree with Jim's information, I would point out the flat dipole will have 3 dB more signal off of its broadside 0/180° as compared to that of a inverted V dipole off of its broadside.  At the same time, the inverted V dipole will have about 4.5 db more signal off of its ends 90/270° as

Re: [Elecraft] [K3] SWR - Numerical Indication

What is VSWR? There are many misconceptions and myths about VSWR. To try to overcome some of these misconceptions and to try to provide an easy and understandable summary, Electronics Notes has developed a page describing what VSWR is and this is accompanied by an embedded video. The page and

Re: [Elecraft] K3S will not load or tune on 160 M

No special configurations.   Make sure you have the correct antenna ports selected via the K3S and the KAT500.   And since the dummy load shows a high SWR, I would first suspect the coax jumper out of the radio to what ever is next in line. 73 Bob, K4TAX On 12/3/2018 10:49 AM, Richard

Re: [Elecraft] OT: G5RV

Yes it is amazing that many contacts can be made with a mediocre antenna. Many hams haven't been exposed to a really good performance antenna system. There is a big difference. Bob, K4TAX Sent from my iPhone > On Dec 5, 2018, at 8:25 PM, Rose wrote: > > I have a copy of the original

Re: [Elecraft] Less Than Perfect Antennas [was Flumoxed]

For what appears to be a modest antenna installation, look at the obtained results  of KE4PT.   Where on QRZ.COM he writes; ""At home, my Icom706mkIIg pushes 100 W through a coax-coil + ferrite current choke to an AH-4 automatic tuner unit at the bottom of a 4.3 m tall, 14.6 m long dual

Re: [Elecraft] SSB Features of the KX2 & KX3 You May Have Overlooked...

As to firmware updates, when doing a firmware update, also print out the release notes and insert them into your manual.   Now, you have an updated manual. 73 Bob, K4TAX On 12/6/2018 2:25 PM, K8TE wrote: Don makes an excellent point regarding new firmware release notes. Unlike other

Re: [Elecraft] Bad tx audio.

Define "crappy audio"? Distorted, thin, muffled, humm, buzz, noisy, scratchy, bassy ... Some could be radio adjustments, some could be component failure, some bad mike, some could be power supply, some could be power cables/connectors, and ? Bob, K4TAX Sent from my iPhone > On

Re: [Elecraft] OT: G5RV antenna

From my experience, more folks should pay attention to the antenna and balun work done by DJ0IP.    They would likely have better performing antennas.  His work is proven on antennas and not text book or computer models, but indeed he provides real world results. 73 Bob, K4TAX On 12/9/2018

Re: [Elecraft] KPA500 - No RF Amplification in Operate on 20M (WU6R - Mark)

I trust you have the configuration set as displayed on page 5, Figure 1 of the KAT500 manual.  And that you have the K3S configured so as to have the VFO tracking set to ON.  See page 60 of the K3S manual under KAT3.   Select 1 to set to KAT500Y. I would also suggest that in AUTO mode you

[Elecraft] Less Than Perfect Antennas [was Flumoxed]

ns through them, but are often sold for use as a string of beads on coax. How many beads are in the 8232? Are they Fair-Rite #73? 73, Jim K9YC On 12/9/2018 5:33 AM, Bob McGraw K4TAX wrote: Balun Designs, both 1:1 and 4:1 for use with tuners.    I have both because I also have a folded dipole t

Re: [Elecraft] AM operation of the K line

Sure, works great.  As configured for SSB switching to AM mode runs about 125 watts of carrier from the KPA500.   No different than operating SSB, just switch the K3S to AM.   Must have the 6 kHz filter installed. 73 Bob, K4TAX On 12/9/2018 4:03 PM, Michael Blake via Elecraft wrote:

Re: [Elecraft] AM operation of the K line

Yes true, however I don't suggest using the 13 kHz filter for AM transmit in view of transmit bandwidth considerations.    The 6 kHz filter is more appropriate and thus does limit the transmit bandwidth to the required limits of the regulations.  97.101(a) 73 Bob, K4TAX On 12/9/2018 7:15

Re: [Elecraft] 6m meteor scatter

Use WSJT-X. Mode is MSK-144. Band is 6M. WSJT has the frequencies in the band table. 50.260 and 50.360 as I recall. If your station is configured for FT-8 and CAT control then you are ready to go. Bob, K4TAX Sent from my iPhone > On Dec 5, 2018, at 10:44 AM, Gordon LaPoint wrote: > >

Re: [Elecraft] Killed the KPA500 :)

This still confirms the KPA500 is a darn near bullet proof amplifier.   And likewise from the company, excellent support. Glad the issue was only minimal damage. 73 Bob, K4TAX On 11/19/2018 4:30 PM, Michael Walker wrote: Just an update on the repair Turns out that the first part of the 6M

Re: [Elecraft] Data troubles

, Bob McGraw K4TAX wrote: You should be operating in DATA A mode for AFSK as it is an audio data mode. 73 Bob, K4TAX On 11/19/2018 9:26 PM, Martin Sole wrote: Can anyone help with a quick DATA mode problem. I've always used AFSK but it seems to have stopped working on transmit. I can set

Re: [Elecraft] Data troubles

You should be operating in DATA A mode for AFSK as it is an audio data mode. 73 Bob, K4TAX On 11/19/2018 9:26 PM, Martin Sole wrote: Can anyone help with a quick DATA mode problem. I've always used AFSK but it seems to have stopped working on transmit. I can set DATA A and then send audio

Re: [Elecraft] Wish I had a KAT1500

From the KAT500 manual: 3 - 30 MHz 1000 W into 16 ohms to 150 ohms (3:1 SWR) 1.8 - 2 MHz 600 W into 10 ohms to 500 ohms(5:1 Low Impedance, 10:1 High Impedance SWR) 30 - 60 MHz 500 W into 5:1 SWR (10 ohms to 250 ohms)  "The cabling diagrams show how to use the KAT500 with any transceiver

Re: [Elecraft] Wish I had a KAT1500

Sold new in 1988 for $995.  Used market today about $450 to $650 depending on condition.  Rated at 2KW with 10:1 SWR 1.8 MHz to 30 MHz. 73 Bob, K4TAX On 11/27/2018 7:21 PM, AB4IQ wrote: Ten Tec made the 253 automatic tuner and a friend of mine bought his in 1988 or so and still uses it

[Elecraft] GROUNDING and BONDING

The  book GROUNDING and BONDING for the Radio Amateur, by H. Ward Silver, N0AX is one of the most complete and concise publications on the topic.    It covers most all aspects of the topic specifically for ham radio applications.   Written in easy to understand language with pictures and

Re: [Elecraft] KAT-500 auto-tuning issue with SSB vs. CW

There are SWR parameters that can be changed in the KAT500 Utility.  I suggest you install this on your computer, connect the KAT500 and initiate the application. I have trained my KAT500 to use certain antennas on certain bands and for the lower frequencies, I have forced a tune ever 25 kHz.

Re: [Elecraft] Killed the KPA500 :)

You can configure the amp via the MENU to power up in the stand-by mode. Also have it go to stand-by when changing bands. You should have the amp connected to the K3 via the multi conductor cable and not use the amp key cable. The amp follows the radio and none of this will happen. Bob,

Re: [Elecraft] New tuning knob for the KX2

Regardless of what is added, how it works, or what it does, there will always be those that like it. And likewise, there will be those that object and won't like it. It needs to fit the needs of the masses. I've worked systems both ways. I like it the way it works at present. 73 Bob, K4TAX

Re: [Elecraft] KAT 500 and open wire

They are a voltage type, 4:1 designed to feed a folded dipole. There are actually 4 windings, 2 on each coil. If you want to see the best in balun usage and efficiency, a folded dipole typically has some 200 to 300 ohms impedance when constructed from open wire line or like materials.    Thus

Re: [Elecraft] KAT 500 and open wire

I use the "window line" for 3 of my antennas. We have less than 125 days/ yr with precipitation of all types. The "loss wet" is a non issue in my thinking as I'm sure would be about the same for most folks. Still with extreme loss, under most conditions, coax will have greater loss. Bob,

Re: [Elecraft] KPA500 Hum

Yes it is normal to hear a slight hum when the Mains switch is on.  Also the left side may be slightly warm.    When the Mains switch is on, the low voltage power supply is on.    This supply is for the logic and processing. See the IMPORTANT section on page 14 of the manual for further

Re: [Elecraft] KPA500 Hum

ts, are in operation. --mark/ae0mm ‐‐‐ Original Message ‐‐‐ On Friday, January 4, 2019 8:14 AM, John_N1JM wrote: Thanks Bob. Yes great amp. 73, John N1JM Bob McGraw - K4TAX wrote Yes it is normal to hear a slight hum when the Mains switch is on.  Also the left side may be slightly war

Re: [Elecraft] K3 Standard internal Noise

DX Engineering has the following: https://www.dxengineering.com/parts/dxe-8xdb002 73 Bob, K4TAX On 1/3/2019 1:53 PM, Buck wrote: Where did you find "quality" cables? Buck, k4ia Honor Roll 8BDXCC EasyWayHamBooks.com __ Elecraft

Re: [Elecraft] ERR TXF

Normal for most radios due to carrier frequency and receiver offset for CW. Elecraft is not the only that does it this way. As filters with reduced bandwidth we find that group delay increases. With this CW wave shapes become a difficult task. Wider filters are much easier to generate good

Re: [Elecraft] KAT3A & KIO3B Upgrade for my K3

I've attempted to configure MMTTY to run FSK with my K3S. Conclusion is that a Terminal unit will be required. Using AFSK is easy and I don't find any disadvantages. No additional hardware required. Bob, K4TAX Sent from my iPhone > On Jan 10, 2019, at 4:57 PM, Nr4c wrote: > > None

Re: [Elecraft] whats a updated K3 called?

I'd say it is called and "updated K3".   The K3S is different and my understanding is that a K3 can not be updated to be a K3S. All abet similar, in the end, they are different radios.    For that fact alone, the reason I purchased a K3S and not a K3 73 Bob, K4TAX

Re: [Elecraft] whats a updated K3 called?

Clarification: The Tentec Omni VI Plus is not the same as the Tentec Omni VI, opt 3.  There is a difference, in model number and performance and features.  Thus from my take, a K3 upgrade is just that, a K3 that has the recommended factory upgrades installed.    And a K3S is a K3S that can

Re: [Elecraft] K3 TX power overshoot

I occasionally see a wee bit of overshoot as seen on my KPA500. I'm driving it from my K3S at about 20 watts for about 400 watts out on SSB.  Occasionally I'll see a 450 or 500 watt indication on the LED bargraph.  The KPA500 doesn't seem to mind. If I set the drive power to 20 watts CW mode,

Re: [Elecraft] Sorta OT - assistive technology assistance

Been there, done that.  Too smart and too old to do it again. Buying is better.   Operating what one has purchased is more fun. Better yet, learning to operate what one has purchased is very gratifying. 73 Bob, K4TAX K3S, P3, KPA500, KAT500 On 1/11/2019 6:42 PM, Bill Frantz wrote: Real

Re: [Elecraft] New DSP features?

And for this reason I choose to use SPLIT in CW mode as opposed to RIT.  Thus SPOT only affects the received signal frequency which is VFO A and I can tune VFO A as needed just like RIT. Thus VFO B is always the transmit frequency and is not affected by the SPOT function. 73 Bob, K4TAX On

Re: [Elecraft] Slightly Unbalanced dipole?

Al: Al et al; I do agree.   And in fact my 250 ft center fed antenna  with 75 ft of window feedline terminates at the operating position into a Balun Designs 1171T. Then a coax jumper of about 2 ft long, which is actually a model 8232 from The Wireman, Common Mode Choke between the balun and

Re: [Elecraft] Query for new DSP features

Use external audio processing, otherwise a compressor or limiter, with variable attack and release and threshold and ratio controls.   Then follow that with a small power amp to drive an external speaker.     Frankly, I doubt you'd like the results. I find it better to not use the NR feature

Re: [Elecraft] KPA500 & Drake TR7

If you can run 200 watts PEP with the TR7, why run a 500 watt amp?    Otherwise, you'll need a 10dB attenuator between the TR7 and the KPA500.  Hence turn 180 watts of RF from the TR7 into heat as it takes only about 20 watts to drive the KPA500 to rated output. 73 Bob, K4TAX On 1/12/2019

Re: [Elecraft] Slightly Unbalanced dipole?

To answer the question "Could a couple of inches or so difference in the length of the legs of a dipole ever work in your favor?"..depends on the frequency.  For lower frequencies likely NO, for higher frequencies maybe YES.  Thus 2" for a 160M dipole would be 0.066% while 2" for a 10M

Re: [Elecraft] Slightly Unbalanced dipole?

That's why I use the statement "xxx ft center fed wire with balanced feed". I do have the ability to measure the current in each side of the feedline. As long as it is within 5%, about the limits of accuracy of measurements, I'm happy. Bob, K4TAX Sent from my iPhone > On Jan 13, 2019,

Re: [Elecraft] KX3 Rechargeable Batteries

Something I learned from one of our "tech reps" regarding rechargeable batteries and charge cycles.    I have successfully applied his advice for a multitude of and different types of my rechargeable batteries. If you use a battery and then recharge it, that is one charge cycle.   Likewise if

Re: [Elecraft] KAT500/KPA500 with Icom 7600 accessory cable

I have followed this discussion with interest.    I do agree with Jack the issue seems to be related to a grounding issue.  And I agree with Jim as his assessment likewise.   His work and that of W. Silver from ARRL does support this thinking.   [The ARRL publication Grounding and Bonding for

Re: [Elecraft] Ideas for an FT8 Radio

My interest is already diminished to zero. 73 Bob, K4TAX On 12/30/2018 7:56 PM, Devin Butterfield wrote: I also agree that a one-mode radio wouldn’t be of interest for very long. __ Elecraft mailing list Home:

Re: [Elecraft] Yama CM-500 Replacement

I have and use the Koss SB-40.  I get great audio reports. Yes, I agree,  if the mike is not positioned correctly and the TX EQ not set correctly, it can sound bad.   So can any other mike where good mike technique and application is not correctly used. 73 Bob, K4TAX On 1/8/2019 11:51 PM,

Re: [Elecraft] Yama CM-500 Replacement

With regard to "constantly plugged/unplugged",   I leave mine plugged in the rear of my K3S all of the time.  I use the PF2 function configured to switch between SPKR on/off and Headphones and  switch the mike from the front to the rear being the boom mike on the headphones.    No adapters

Re: [Elecraft] Yama CM-500 Replacement

I suggest another set of CM-500's.    They may last 2 years, 5 years or 10 years before they are headed for the trash.   Just look at it as a consumable item and that is just the cost of ownership. 73 Bob, K4TAX On 1/8/2019 9:00 PM, James Bennett via Elecraft wrote: Sad to say, but my

Re: [Elecraft] K3 Standard internal Noise

e.  If you cut off the connectors and use Amphenol connectors you will usually have a 'quality' cable. 73, Don W3FPR On 1/3/2019 3:22 PM, Bob McGraw K4TAX wrote: DX Engineering has the following: https://www.dxengineering.com/parts/dxe-8xdb002 73 Bob, K4TAX On 1/3/2019 1:53 PM

Re: [Elecraft] need a dll file for the skimmer and the k3

Should be found on the HDSDR site. I had to install it for my RSP-1 receiver. Bob, K4TAX Sent from my iPhone > On Sep 12, 2018, at 4:32 PM, NOEL POULIN wrote: > > Hello, > I am looking for a dll file, missing here, to be able to use my K3S with THE > CW SKIMMER AND THE SDR-IQ RECEIVER. >

Re: [Elecraft] WSJT-X Band Following

To my knowledge you only need a USB cable like used with a printer to connect between the USB port on the radio and the USB port on your computer.  In the radio CONFIG menu set the RS232 value to USB.  You do not use the RS-232 port on the radio.   See page 18 of the K3S manual. The remainder

Re: [Elecraft] Vocal Cord Bias + SSB PEP

From my AM broadcast days and my pro audio days, yes it is not unusual to find that a given mike has more positive output than negative output in terms of the voltage waveform.  Thus if phased correctly, and we are only using one mike, the positive modulation peaks will be greater than the

Re: [Elecraft] Craziest / most rewarding QSOs

Mine was the first time I transmitted my call with the antenna array aimed at the moon, switched to receive, adjusted the VFO frequency a bit, and heard my own call come back.   Yep, some 2.56 seconds delay, a frequency shift of about -200 Hz due to Doppler, and from a distance of  239,000

Re: [Elecraft] Craziest / most rewarding QSOs

> Fred ["Skip"] K6DGW > Sparks NV DM09dn > Washoe County > >> On 9/14/2018 2:27 PM, Bob McGraw K4TAX wrote: >> Mine was the first time I transmitted my call with the antenna array aimed >> at the moon, switched to receive, adjusted the VFO frequency a bit,

Re: [Elecraft] loss of RX sensitivity

Yes, regardless of how good they look, always snug the PL-259 with a small pair of Channel Lock pliers. Finger tight is not good enough. Many of our connectors today are of inferior quality. Also due to the use of jumpers, the flexing and pulling is prone to damage the connection between

Re: [Elecraft] KX3 encoder dying?

Encoders can be cleaned. I've done it in several radios, several brands. It is usually necessary to open the radio, remove the encoder. Then carefully open the encoder, clean the wiper contacts and the stationary contacts with contact cleaner. These are simply a stepping switch. Only one

Re: [Elecraft] CW Transmit Text Decode is off

If it is decoding two characters and not one, this says the sending spacing and length of each element is inconsistent. Bob, K4TAX Sent from my iPhone > On Sep 16, 2018, at 7:05 PM, Cliff Clark wrote: > > I love my KX2, and I thought I would use the TX only CW code to practice, > but I'm

[Elecraft] KAT500 Antenna Grounding

I didn't find the answer in the manual, so I'll ask here.   I do see in the manual where bleed resistors are applied to the unused antenna terminals to bleed off static charges.  {page 15, Antenna Selector. etc} My question, do the relays in the tuner take the center conductor of all

Re: [Elecraft] Time Sync Program for Mac

I first suggest updating to the most current version of WSJT-X. On receiving FT8 signals, what is the DT time shown for most received signals? Should be less than 1 second and typically less than 0.3 seconds. If so there is nothing wrong with your computer time. Likely the delay is

Re: [Elecraft] CW Transmit Text Decode is off

Make sure the contacts on the paddle are clean. Drag a business card between them while applying a bit of pressure. Also reduce the keyer speed a bit. I use both a single lever and a dual lever paddle. Timing and rhythm is the key to a good fist. Roll your fist from side to side as

Re: [Elecraft] KAT500 Antenna Grounding

Thanks Wes. I hesitated to un-stack the KPA500 off of the KAT500 and disconnect all the cables.    I suppose I need to look at my configuration to reduce the likelihood of any damage to the PIN diodes in the KPA500.   Lightning protection is good on the outside of the house but static

[Elecraft] My recent and general posting

I did not suggest a particular type balun as I do not know the specifics of the antenna system being used.   Thus based my recommendation to contact the company for a discussion with them.    I feel they are better qualified than any of us in this regard.   As to measuring one balun model and

Re: [Elecraft] Less Than Perfect Antennas [was Flumoxed]

Before Eric steps in, let me say "let's end this discussion.  It has veered too far from the original posting". 73 Bob, K4TAX __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help:

Re: [Elecraft] K3S K3 new firmware - how it doesnt download?

You may wish to clear your Browser history.    It could be looking at the old site. 73 Bob, K4TAX On 12/8/2018 4:48 PM, IK4EWX wrote: Thanks Don. I will retry two-three days from now. 73, Ian IK4EWX -- Sent from: http://elecraft.365791.n2.nabble.com/

Re: [Elecraft] Less Than Perfect Antennas [was Flumoxed]

The 80 / 40 M fan dipole fed with 300 ohm transmitting line {The Wireman #562} and then use the balun at the point where the feed line enters the house would be preferable.   That configuration reduces the weight of the balun on the antenna.   From the balun to the station, use a good quality

Re: [Elecraft] Less Than Perfect Antennas [was Flumoxed]

Balun Designs, both 1:1 and 4:1 for use with tuners.I have both because I also have a folded dipole that I feed direct. I suggest you give the folks at Balun Designs a call and discuss your exact needs. Take their advice. Also see the DJ0IP site for details on baluns. Just Google DJ0IP.

Re: [Elecraft] k3 High Current Message on 10 meters

Check fans and cooling. Make sure airflow is not obstructed. Bob, K4TAX Sent from my iPhone > On Dec 19, 2018, at 8:53 AM, Gadget Lust wrote: > > Hi Don: > > Actually, my issue is only on 10M. It appears that as I transmit, current > consumption increases, and I get occasional high

Re: [Elecraft] KPA500 Assembly Help

There is NOTHING like getting automatically an answer from the company and the person that designed the ampon a Saturday morning!    Thanks Jack. 73 Bob, K4TAX On 1/26/2019 10:56 AM, Jack Brindle via Elecraft wrote: Ah, but you came to the right place to get an Elecraft answer!

Re: [Elecraft] KAT500/KPA500 - Sanity Check Please

My station is a K3S, KPA500, KAT500.    The antenna is a 250 ft center fed wire with 450 window line that runs from the feed point on the antenna all the way to the operating position where the 450 line terminates into a 1:1 current balun on the shelf just above the amp and tuner.  I use a

Re: [Elecraft] KAT500/KPA500 issue

Sure sounds like an antenna problem.    Check the system on a dummy load. 73 Bob, K4TAX On 1/27/2019 7:10 AM, Jack Satterfield wrote: After 5 years of perfect operation, now a very strange issue Bypass SWR 3 or 4:1 KAT500 tunes to 1.3:1 Switch amp to operate, operating SBB on first voice

Re: [Elecraft] K3 has lost two WARC bands

Check the settings in CONFIG:  BND MAP    Make sure they are set to IN for each band you use. 73 Bob, K4TAX On 3/31/2019 2:14 PM, Jack Colson wrote: I can’t imagine what may have caused this, MCU version 5.66. 17 and 12 M bands do not come up. Help! 73, Jack, K3 s/n 1169 W3TMZ

Re: [Elecraft] Possibly dumb question...

I understand the configuration file saved by the K3 Utility is serialized for the specific radio.  To load or restore, the serial number in the file must match the serial number embedded in the radio. 73 Bob, K4TAX On 3/31/2019 8:08 PM, Nr4c wrote: No way to do this. Sorry. Sent from my

Re: [Elecraft] FLDIGI with K3s

FLDIGI working under Windows 10 has no issues using the correct mode for AFSK or PSK. In FLDIGI you should be able to select PKTUSB for PSK mode and PKTLSB for AFSK. Bob, K4TAX Sent from my iPhone > On Apr 2, 2019, at 3:47 PM, Gmail wrote: > > It appears FLDIGI MAC uses USB for RTTY

Re: [Elecraft] Sending AFSK RTTY

I suggest getting each basic application running correct before moving to the next application. When each will run correct then and only bring in the integration application. CAT control should not need the VOX activated. Using VOX is just another audio level and delay that has to be

Re: [Elecraft] Will there be a K4

Purchase what you want today. Tomorrow may never come. If you wait until tomorrow you'll never have a new radio. Bob, K4TAX Sent from my iPhone > On Mar 24, 2019, at 12:25 PM, Macy monkeys wrote: > > It will be announced just after you unpack your new K3S :) > > John K7FD > >> On Mar

Re: [Elecraft] Will there be a K4

Wait and see or roll the dice  Bob, K4TAX Sent from my iPhone > On Mar 24, 2019, at 12:16 PM, wrote: > > Before I spend money on a K3S, I’m just curious.. is a K4 in the planning > stages? I bought my K3 and unpackaged it and just days later the K3S was > announced. I was livid.. LOL >

Re: [Elecraft] K4?

The K3S receiver performance and RX audio are outstanding. For a K4I'd like to see transmit IMD in the -50 dB range. 73 Bob, K4TAX On 3/24/2019 10:38 PM, John_N1JM wrote: It would hard to improve on the K3s's performance in a similar size package. I would not want touch screen and a

Re: [Elecraft] K4?

With all of the wonderful ideas and features advanced for a K4, I find one thing which has been seemingly omitted.    PRICE!    Yep, hams want radios with all the features whistle band bells along with alleged performance.. in the $1000 price range. Look at the volume of sales of

Re: [Elecraft] K3S USB sound card -W7 pro

If you go into the K3S CONFIG menu to LIN OUT the normal value is 10.   I suggest you back this down to 5.  This will then allow the Windows 7 Pro sound card slider to operate near mid range thus  0 dB or 50% depending on how it is displayed. 73 Bob, K4TAX On 4/3/2019 4:50 PM, HP wrote: Is

Re: [Elecraft] K3S USB sound card -W7 pro

Also, in the Windows 7 sound card  make sure your don't have Microphone Boost checked.    Forgot about that one. 73 Bob, K4TAX On 4/3/2019 5:21 PM, Bob McGraw K4TAX wrote: If you go into the K3S CONFIG menu to LIN OUT the normal value is 10.   I suggest you back this down to 5

Re: [Elecraft] K3S RIT Problem

Just to check, I suggest going to WWV at 10 MHZ and in CW mode and press SPOT.  That will automatically lock to the WWV carrier and your selected sidetone frequency.   No audio or zero beating needed.    If indeed your radio is off 800 Hz then the SPOT function will not bring it in and lock.  

Re: [Elecraft] Setting up FLDIGI on K3s

Within FLDIGI there is a transmit audio level control in the lower right corner.    Just below the LK tab.   I use a value of -15.  The arrows left and right of the box will increase or decrease the level going to the radio.  My Line Gain which is adjusted by using the MIC knob is at 30.

Re: [Elecraft] Stupid question: key beep

If in CW mode the MON function determines the level of the beep.   Not all switches generate a tone when pressed.    See page 65 SW TONE for more details.   If SW TONE is set to OFF there is no tone beep generated. 73 Bob, K4TAX On 4/4/2019 5:29 PM, John Simmons wrote: SW Tone is on, but

Re: [Elecraft] Suggested enhancements for K3

I have my station set up such that I can see all the important stuff.  I don't need audible alarms on the radios, the computers or such.   I want to OPERATE my station, enjoy it, learn from it and with it.  I don't want IT doing everything for me.   I want to be totally involved.   I flew

Re: [Elecraft] 25 amp fuse for KXPA100 power cable fast acting type OK ?

Be sure to replace the fuse with the same type.  Type as in Current rating and Time Current Characteristics.    In other words, all 25 amp fuses are not the same. If you want to understand more about types and what they do and how they work, see this link:

Re: [Elecraft] [K4] request new feature

With a single receiver K3S as I have, I use a pair of powered computer type speakers.  I can adjust the volume of each individual speaker and thus the AF Gain control on the radio works just great as it changes the signal to both.  And the AFX function works equally as well.  This sure makes

Re: [Elecraft] New KPA1500 manual

Yep and my JEP charts were updated weekly. " Remove xx, insert yy." Addendum is the easiest way. Bob, K4TAX Sent from my iPhone > On Mar 28, 2019, at 4:24 PM, Roger D Johnson wrote: > > When I was in the military, and a pub was changed, they just sent > new pages that had the changes.

[Elecraft] 3Y0I Bouvet Island DXpedition "Postponed, Not Canceled"

Well shucks! 73 Bob, K4TAX *** 3Y0I Bouvet Island DXpedition "Postponed, Not Canceled" The 3Y0I DXpedition to Bouvet Island (Bouvetøya) is off, at least for now. The skipper of the MV /Atlantic Tuna/ determined it was not

Re: [Elecraft] ALC knob control missing on my K3

With the radio in Data A mode, tap MENU, scroll to MIC SEL shown in the VFO B area, and then using the VFO knob scroll to Line In. Tap MENU to exit. The SPEED/MIC knob should have the LED illuminated showing MIC. When you turn the knob the VFO B area should show LINE xx where xx is the value

Re: [Elecraft] K3-New Feature request

Yes, I use a pair of powered computer type speakers.  Feed the two audio outputs from the K3 which are on the SPEAKERS/STEREO jack to the L and R speaker respectfully.  Adjust the volume on each speaker as you desire. The ones I use are from the defunct Radio Shack being a Realistic Cat

Re: [Elecraft] SDR on K3 IF to look for RFI

The approach I've used is to use a couple of BNC to BNC jumpers and a BNC "T" connector.  Connect the RX OUT to one side of the "T".  Connect the RX IN to the other side of the "T" connector. Connect the  RSP2 to the other port on the "T" connector.  Then press the RX ANT on the radio.  This

Re: [Elecraft] KPA500 Clicks & Pops

Come to think about it, I haven't heard mine click and pop in quite some time.  I doubt that it's seasonal, but that is an interesting twist.  I doubt that my room or the dormant equipment varies over +/- 2°F over any given 24 hr period. 73 Bob, K4TAX On 4/7/2019 1:11 PM, Andy Durbin wrote:

Re: [Elecraft] KAT500 SWR LED Doesn't Light with 1.0/1 SWR

Yes I have that combination, KPA500 / KAT500. Over the years I've learned that a VSWR of 1.5:1 or less means little to nothing. Oh it's "comforting" to operate all the time with a 1.1:1 SWR but just accurate is that indication? And the fact the two devices show different values lends

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