[Elecraft] KPA1500 v. 2.10

I am seeing the same thing with the DIGITAL power metering. My LED bar graphs are working perfectly. It seems like the digital metering is not triggering correctly or not delaying correctly. The digital metering is acting very erratically on SSB and CW. It works perfectly on a Tune Carrier.

Re: [Elecraft] KPA1500 v. 2.10 addendom 2

Seems that the ammeter current is also much more erratic reading now while sending CW. Roy -Original Message- From: Roy Koeppe Sent: Sunday, March 31, 2019 5:44 AM To: Elecraft Reflector Subject: Re: [Elecraft] KPA1500 v. 2.10 addendom Discovered another anomaly...the digital SWR

Re: [Elecraft] KPA1500 v. 2.10 addendom

-Original Message- From: Roy Koeppe Sent: Sunday, March 31, 2019 5:15 AM To: Elecraft Reflector Subject: Re: [Elecraft] KPA1500 v. 2.10 Thanks for that report Roy. Notice the same defect here in the digital display. I have only worked CW mode so far, and the power reading is erratic and varies

Re: [Elecraft] KPA1500 v. 2.10

a correction is provided for us soon. 73, Roy Koeppe K6XK -Original Message- From: Roy Morris, Jr. via Elecraft Sent: Saturday, March 30, 2019 10:57 PM To: Elecraft Reflector Subject: [Elecraft] KPA1500 v. 2.10 After loading v.2.10 the LEDs seem to show the correct power level

[Elecraft] KPA1500 v. 2.10

After loading v.2.10 the LEDs seem to show the correct power level at or near the 1500 watt level.  At reduced power levels the LEDs stream faster but seem to also show the correct power level.The blue display window does not show the correct power level.  It consistently shows a very low power

[Elecraft] KPA1500 210 (209) Firmware Bug?

I brought my KPA1500 to Lubbock for the CQ WW WPX SSB Contest. Like a good Elecraft owner, I checked for firmware updates using the KPA1500 Utility, downloaded what is actually version 210, and installed it. Next, I checked the integration with the IC-7610, KPA1500, and antenna switch. Much to

Re: [Elecraft] KPA1500 temps

Hi Cort, This is totally normal for the amp in high duty cycle carrier modes like RTTY.  Also, it will automatically protect itself with margin if the temp at the PA transistors gets too high. 73, Eric /elecraft.com/ On 3/26/2019 10:18 AM, Courtney Judd wrote: I love my KPA1500 but I am

[Elecraft] KPA1500 temps

I love my KPA1500 but I am somewhat concerned with the temp indicated on the readout. Doing RTTY I get a 80C reading and loud fan which I think is high. I also have a small probe on the top vent which shows 120 deg F exhaust temp which is not bad. Should I be concerned here? I am also a big fan

Re: [Elecraft] KPA1500 placement question

Sorry, but Dick preempted me.  His answer is correct.  Provide spacers if you want to mount them together. 73, Don W3FPR Ronnie, Not a problem at all. Many want to locate the power supply on the floor to save space and keep the fan noise a bit further away. If you choose that, put the power

Re: [Elecraft] KPA1500 placement question

Ronnie, Not a problem at all. Many want to locate the power supply on the floor to save space and keep the fan noise a bit further away. If you choose that, put the power supply vertically on its front panel. 73, Don W3FPR On 3/18/2019 12:24 PM, Ronnie Hull wrote: I may already know the

Re: [Elecraft] KPA1500 placement question

ll Sent: Monday, March 18, 2019 09:24 To: elecraft@mailman.qth.net Subject: [Elecraft] KPA1500 placement question I may already know the answer to this but would it be foolishness to set the amp on top of the power supply? Ronnie W5SUM Sent

[Elecraft] KPA1500 placement question

I may already know the answer to this but would it be foolishness to set the amp on top of the power supply? Ronnie W5SUM Sent from my iPhone __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help:

Re: [Elecraft] KPA1500 PA Current

At 1500W my Expert 2k-FA reports 50-52A at 49 V. About 55A at 1800W. The Expert saturates at 2 KW. You may check out the SWR with a reputable meter. Often multiple meters show different values on different frequencies. For instance at my station LP100 shows 1.4:1, 2k-fa shows 1.2:1, and K3

Re: [Elecraft] KPA1500 PA Current

and brain perceived without measuring and metering 73, Bill K9YEQ https://wrj-tech.com/ -Original Message- From: elecraft-boun...@mailman.qth.net On Behalf Of Jim Brown Sent: Saturday, March 16, 2019 6:30 PM To: elecraft@mailman.qth.net Subject: Re: [Elecraft] KPA1500 PA Current On 3

Re: [Elecraft] KPA1500 PA Current

By and large the response to my technical question regarding the behavior of my KPA1500 have been good, technical information and hints. Your posting, Dave, is of the form of a lecture and comes across as anything but responsive to the topic at hand. Whether I wish to squeeze the last dB out

Re: [Elecraft] KPA1500 PA Current

On 3/16/2019 2:31 PM, Edward R Cole wrote: In the same vein:  I recently tried out my new 2m 1500w sspa at 750w in SSB and stations on my net only stated a slight increase in signal 100 miles away vs running 130w.  That should have indicated more than one s-unit stronger (10Log (750/130)=7.6

Re: [Elecraft] KPA1500 PA Current

In the same vein: I recently tried out my new 2m 1500w sspa at 750w in SSB and stations on my net only stated a slight increase in signal 100 miles away vs running 130w. That should have indicated more than one s-unit stronger (10Log (750/130)=7.6 dB). Definitely a "knee" in signal strength

Re: [Elecraft] KPA1500 PA Current

Refreshing attitude, Dave! James Forsman jamesfors...@me.com https://jrquark.smugmug.com/HamRadio > On Mar 16, 2019, at 5:13 AM, David Wilcox via Elecraft > wrote: > > Try 1000 watts for one month. Then 500 watts for the next month. Don’t > tell anyone.

Re: [Elecraft] KPA1500 PA Current

Try 1000 watts for one month. Then 500 watts for the next month. Don’t tell anyone. Unless you are trying to get that last country for your stats you won’t see any difference in your enjoyment and contact ratio. How often do we turn our receivers, stereos, ovens, microwaves, irons, or

Re: [Elecraft] KPA1500 PA Current

Hi Gary, I haven’t seen that problem unless the SWR was at least 1.4:1. However, it’s possible you have hit just the wrong phase angle. If your 1.2 SWR resulted in a load impedance of 42 Ohms, the current could go up 20 percent. On the other hand, 55 A into 50 Ohms sounds a bit high. Make

Re: [Elecraft] KPA1500 PA Current

Should read can, not "will". 73, Bill K9YEQ https://wrj-tech.com/ -Original Message- From: elecraft-boun...@mailman.qth.net On Behalf Of Bill Johnson Sent: Friday, March 15, 2019 5:55 PM To: Andy Durbin ; elecraft@mailman.qth.net Subject: Re: [Elecraft] KPA1500 PA Curr

Re: [Elecraft] KPA1500 PA Current

rbin Sent: Friday, March 15, 2019 5:50 PM To: elecraft@mailman.qth.net Subject: [Elecraft] KPA1500 PA Current "Have you considered that there may be something in your antenna system that is heating up or otherwise changing with the 1500 watts power? The first thing I would suspect i

Re: [Elecraft] KPA1500 PA Current

5:39 PM To: Bill Johnson ; donw...@embarqmail.com; Gary J Ferdinand ; elecraft Subject: RE: [Elecraft] KPA1500 PA Current No antenna issue here. No SWR variations when antenna under continuous power (measured on a real SWR meter). Same effect into a high power cool dummy load. It's the amp

[Elecraft] KPA1500 PA Current

"Have you considered that there may be something in your antenna system that is heating up or otherwise changing with the 1500 watts power? The first thing I would suspect is a balun that is heating, or a connector that is not quite tight enough." After years in lab and flight test I came to

Re: [Elecraft] KPA1500 PA Current

nand ; elecraft Subject: Re: [Elecraft] KPA1500 PA Current I believe its universal that as the KPA1500 warms up the gain drops. I have mine set up on each band for around 1500WPEP when cold. If I operate it enough by the time the amp gets up to 70C its down to around 1300W. I try to ope

Re: [Elecraft] KPA1500 PA Current

This group is outstanding. Thank you Bob K4TAX for taking what must have been a fair amount of time walking thru the consequences of a 40- or 60-Ohm mismatch. That radiation resistance graph you attached is one I have used for decades! Thanks Don W3FPR as well. There are several connectors

Re: [Elecraft] KPA1500 PA Current

h 15, 2019 4:47 PM To: donw...@embarqmail.com; Gary J Ferdinand ; elecraft Subject: Re: [Elecraft] KPA1500 PA Current I believe its universal that as the KPA1500 warms up the gain drops. I have mine set up on each band for around 1500WPEP when cold. If I operate it enough by the time the amp get

Re: [Elecraft] KPA1500 PA Current

19 2:26 PM To: elecraft Subject: [Elecraft] KPA1500 PA Current I’m in the process of checking out my amp. I have two dipoles (40 and 80). At resonance both show a 1.2:1 SWR with ATU totally bypassed. With ATU on, it remains bypassed on 80, but shows only the ATU ON LED on 40. In both c

Re: [Elecraft] KPA1500 PA Current

I believe its universal that as the KPA1500 warms up the gain drops. I have mine set up on each band for around 1500WPEP when cold. If I operate it enough by the time the amp gets up to 70C its down to around 1300W. I try to operate the amp conservatively so I don't increase the input to

Re: [Elecraft] KPA1500 PA Current

Gary, Have you considered that there may be something in your antenna system that is heating up or otherwise changing with the 1500 watts power? The first thing I would suspect is a balun that is heating, or a connector that is not quite tight enough. Those kind of problems will not show up

Re: [Elecraft] KPA1500 PA Current

Send your email to Elecraft support. Can't hurt. On Fri, Mar 15, 2019 at 12:26 PM Gary J Ferdinand wrote: > I’m in the process of checking out my amp. I have two dipoles (40 and > 80). At resonance both show a 1.2:1 SWR with ATU totally bypassed. With > ATU on, it remains bypassed on 80,

[Elecraft] KPA1500 PA Current

I’m in the process of checking out my amp. I have two dipoles (40 and 80). At resonance both show a 1.2:1 SWR with ATU totally bypassed. With ATU on, it remains bypassed on 80, but shows only the ATU ON LED on 40. In both cases the resultant SWR is 1.2:1. SWR measurements are from the

Re: [Elecraft] KPA1500 - FAULT:LPF VMON

According to the fault table, LPF VMON is  "incorrect bias voltages at the TR switch". I suggest you call or e-mail Elecraft Support with your concerns. 73 Bob, K4TAX On 3/11/2019 7:55 PM, Hisashi T Fujinaka wrote: What does this mean? Other than that I can't transmit on FT8 right now? :)

Re: [Elecraft] KPA1500 - FAULT:LPF VMON

Hi Hisashi, This usually means there is a fault with one of the control voltages in the amplifier. I will follow up with you off list via direct email about diagnosing this further. 73, Eric elecraft.com _..._ > On Mar 11, 2019, at 5:55 PM, Hisashi T Fujinaka wrote: > > What does this

[Elecraft] KPA1500 - FAULT:LPF VMON

What does this mean? Other than that I can't transmit on FT8 right now? :) I'm running KPA1500 MCU revision 02.09. -- Hisashi T Fujinaka - ht...@twofifty.com K7EMI BSEE + BSChem + BAEnglish + MSCS + $2.50 = coffee __ Elecraft mailing

Re: [Elecraft] KPA1500 Beta Utility

I have no problem with seeing output power withUtility V. 1.19.2.21 and Beta MCU 02.09 2/24/2019.Bill - W0BBI __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post:

Re: [Elecraft] KPA1500 Beta Utility

I see power output with V. 1.19.2.21. Jim N7US -Original Message- The new Beta version seems to have lost the output wattage display.I am not a fan of the remote version so now I have to rely on an external wattmeter for output numbers.My amp is located away from my operating

[Elecraft] KPA1500 Beta Utility

The new Beta version seems to have lost the output wattage display.I am not a fan of the remote version so now I have to rely on an external wattmeter for output numbers.My amp is located away from my operating position.Have not seen anyone else report this.

Re: [Elecraft] KPA1500 F/W 2.09 Beta released. Also new KPA1500 Utility.

, W2, etc. -Original Message- From: elecraft-boun...@mailman.qth.net On Behalf Of Eric Swartz - WA6HHQ, Elecraft Sent: Friday, March 1, 2019 2:28 PM To: Elecraft Reflector Reflector Subject: [Elecraft] KPA1500 F/W 2.09 Beta released. Also new KPA1500 Utility. KPA1500 F/W 2.09 Beta has

[Elecraft] KPA1500 F/W 2.09 Beta released. Also new KPA1500 Utility.

KPA1500 F/W 2.09 Beta has been released to the elecraft website. It can be downloaded from the support f/w- s/w page in the K-Line\KPA1500 section. F/W 2.09 provides a significant improvement in ATU tuning results. It also an improves the communication of current radio frequency between the

Re: [Elecraft] kpa1500

The USA, Myanmar, and Liberia are the only nations left using Imperial… > On Feb 24, 2019, at 3:03 PM, Bob Nielsen - N7XY wrote: > > As I recall from school, Thomas Jefferson proposed that the U.S. switch to > the metric system over 300 years ago. Of course our reactionary Congress > then,

Re: [Elecraft] kpa1500

As I recall from school, Thomas Jefferson proposed that the U.S. switch to the metric system over 300 years ago.  Of course our reactionary Congress then, as now, dug in their feet and stopped it cold. Bob, N7XY On 2/23/19 7:03 PM, Kevin McQuiggin (SFU) wrote: Technically, “Celsius” rather

Re: [Elecraft] kpa1500

Technically, “Celsius” rather then centigrade! We are more or less used to Deg C in Canada after about 40 years of using it. Deg F are still sometimes used though. Older folks understand both while kids have no idea what a yard or a pound is! Sent from my iPad > On Feb 23, 2019, at 17:43,

Re: [Elecraft] kpa1500

My KPA500 displays the temperature in degrees Centigrade.   Just remember, small numbers cooler, larger numbers hotter.  Normal room temp is about 23 to 25 degrees C.  The fan switches on at 50, steps up at 55, steps up at 60 and steps up at 65.as I recall.  The book says maximum

Re: [Elecraft] kpa1500

I agree. My SPE 2KFA gives me the choice. de John/K4WJ On 2/19/2019 12:26 PM, Courtney Judd wrote: Just a short note to let you know I am really enjoying my KPA1500 it does all that is supposed to and more. I do have one suggestion that perhaps you could add to the menu would be ability

[Elecraft] kpa1500

Just a short note to let you know I am really enjoying my KPA1500 it does all that is supposed to and more. I do have one suggestion that perhaps you could add to the menu would be ability to switch temp from C to F or what ever one wants. I personally just not in tune with C deg! Thanks,

Re: [Elecraft] KPA1500 Power Supply Issue

Looks like Don beat me to the punch. (I'm reading to slow today ;-) Thanks Don! 73, Eric elecraft.com _..._ > On Feb 17, 2019, at 4:19 PM, paule408--- via Elecraft > wrote: > > Don, thanks so much for your swift reply and great suggestion. > I re-seated the grey control cable and snugged

Re: [Elecraft] KPA1500 Power Supply Issue

Hi Paul, If the green AC light is on and the PS 50V LED is not coming on when you try to power up the amp from the RF deck front panel it indicates that the two boxes are not talking. It sounds like the control cable between the amp and PS is not fully seated. Try unscrewing it on both ends

Re: [Elecraft] KPA1500 Power Supply Issue

Don, thanks so much for your swift reply and great suggestion.  I re-seated the grey control cable and snugged it up and the amp is working fine now! Problem solved! (Cockpit error) Thanks all,  Paul N6PSE On Sunday, February 17, 2019, 3:53:59 PM PST, Don Wilhelm wrote: Paul, Be

Re: [Elecraft] KPA1500 Power Supply Issue

Paul, Be certain the control cable between the KPA1500 RF deck and the power supply is seated properly and the jackscrews tightened. The fact that the KPA1500 power switch does nothing is an indicator that the cable may have some problem. 73, Don W3FPR On 2/17/2019 6:41 PM, paule408---

[Elecraft] KPA1500 Power Supply Issue

Last August, I had my KPA1500 repaired by Elecraft as one PA transistor failed. They replaced both PA transistors and sent it back to me under warranty. Only the RF deck was shipped to Elecraft. The KPA1500 power supply stayed home unplugged during this time,.  I kept using my backup Amp until

Re: [Elecraft] KPA1500 Failed

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Re: [Elecraft] KPA1500 Remote - How to get it to work on a WAN ?

Hi Rick Thanks for the info. I have been doing K3 remote for 3 years and everything is working flawlessly. I rent state IPv4 addresses and familiar with port forwarding. I can turn the amp On with macros using the K3, but the remote Elecraft software KPA 1500 does not respond / work.

[Elecraft] KPA1500 Remote Software ... working ..... but ......

Well, I got it to work finally, tnx to all and Paul, K9NU .. Now the question is, is it possible to control the amp remotely WITHOUT having a dedicated PC running ? VPN, different port forwarding . some other configuration ? Or is it just not possible the way the software is written and

Re: [Elecraft] KPA1500 vs SPE Amps

Do you mean driving both a KPA1500 AND a KPA500 at the same time?! I don't know where that would be legal, practical, or desirable. But there's lots of stuff I don't know... If you mean driving one's choice of KPA1500 OR KPA500, read on: Before KPA1500 became available, I had an Alpha 87A on K3

Re: [Elecraft] KPA1500 Remote - How to get it to work on a WAN ?

It works great for me, Burl. Please see my reply just moments ago to another frustrated KPA1500 Remote user. The key might be port forwarding which varies with router model and version and can be tricky. I connect the radio site KPA1500 Remote instance using a USB-to-Serial adapter to the DB9 on

Re: [Elecraft] KPA1500 Remote - How to get it to work on a WAN ?

Run one instance of KPA1500 Remote on a computer that's always running at the radio site. Tell it the COM port for the KPA1500 and Start Hosting Remote. Specify the Server Setup parameters; the critical one is TCP Port which must also be set up in your Internet router for *port forwarding*. Each

Re: [Elecraft] KPA1500 vs SPE Amps

From: Fred Jensen Date: 2/12/19 4:45 PM (GMT-06:00) To: elecraft at mailman.qth.net Subject: Re: [Elecraft] KPA1500 vs SPE Amps At the same time? [:-) Actually, I suppose one could drive 2 KPA500's from one K3 and sum the output for a virtual KPA1000. 73, Fred ["Skip"] K6DGW

Re: [Elecraft] KPA1500 vs SPE Amps

, February 12, 2019 6:33:54 PM To: elecraft@mailman.qth.net Subject: Re: [Elecraft] KPA1500 vs SPE Amps I'd be interested in the IMD figures with this configuration. Are the amps being driven hard wire / parallel at the inputs or from a power divider? And how are the outputs summed? Power divider

Re: [Elecraft] KPA1500 vs SPE Amps

: RALPH TURK Sent: Tuesday, February 12, 2019 6:23:12 PM To: Ken K6MR; Fred Jensen; elecraft@mailman.qth.net Subject: Re: [Elecraft] KPA1500 vs SPE Amps SHOW HOW/EXPLAIN ETC. I AM VERY INTERESTED. RALPH,AFA9RTI AM NOT SHOUTING KEY BOARD STUCK > On February 12, 2019 at 7:06 PM Ken K6MR wr

Re: [Elecraft] KPA1500 vs SPE Amps

I'd be interested in the IMD figures with this configuration. Are the amps being driven hard wire / parallel at the inputs or from a power divider?   And how are the outputs summed?  Power divider?   How much loss is in the output summing network?   And is it broadband 160M - 6M? Another

Re: [Elecraft] KPA1500 vs SPE Amps

; Yes you can. I have been doing this for the last 3 years. > > > Ken K6MR > > > > > From: elecraft-boun...@mailman.qth.net on > behalf of Fred Jensen > Sent: Tuesday, February 12, 2019 2:45:49 PM > To: elecraft@m

Re: [Elecraft] KPA1500 vs SPE Amps

, February 12, 2019 2:45:49 PM To: elecraft@mailman.qth.net Subject: Re: [Elecraft] KPA1500 vs SPE Amps At the same time? [:-) Actually, I suppose one could drive 2 KPA500's from one K3 and sum the output for a virtual KPA1000. 73, Fred ["Skip"] K6DGW Sparks NV DM09dn Washoe County On 2/12

Re: [Elecraft] KPA1500 vs SPE Amps

Or one of these: http://www.acom-bg.com/products/amplifier/acom-3x2000a 73, Gary K9GS Original message From: Fred Jensen Date: 2/12/19 4:45 PM (GMT-06:00) To: elecraft@mailman.qth.net Subject: Re: [Elecraft] KPA1500 vs SPE Amps At the same time? [:-)  Actually, I

Re: [Elecraft] KPA1500 vs SPE Amps

About: "Has anyone had experience with both the KPA1500 and any of the current (1.3K, 1.5K or 2K) Expert Linears from SPE?" If you cherish silent, perfect CW QSK, then you need the KPA1500. SPE uses clacking relays. 73, RoyK6XK

Re: [Elecraft] KPA1500 vs SPE Amps

the additional money on the KPA1500. Dave wo2x -Original Message- From: elecraft-boun...@mailman.qth.net On Behalf Of Dave Sent: Tuesday, February 12, 2019 1:45 PM To: elecraft@mailman.qth.net Subject: [Elecraft] KPA1500 vs SPE Amps Has anyone had experience with both the KPA1500 and any

Re: [Elecraft] KPA1500 vs SPE Amps

Actually, Elecraft should do that as an experiment. They could either make or specify appropriate combiners/splitters to use on front and back and solve other problems that might crop up. Surely they have lots of KPA500s sitting around. Lots and lots. :-) 73, phil, K7PEH P.S. My off-hand

Re: [Elecraft] KPA1500 vs SPE Amps

Based on my experience with the KPA1500, you shouldn't expect to run a solid state amplifier too close to it's rated output unless the SWR is pretty low, like better than 1.2:1. An ATU may or may not be able to keep the SWR that low. Otherwise, at a higher SWR, the amplifier output will

Re: [Elecraft] KPA1500 vs SPE Amps

At the same time? [:-)  Actually, I suppose one could drive 2 KPA500's from one K3 and sum the output for a virtual KPA1000. 73, Fred ["Skip"] K6DGW Sparks NV DM09dn Washoe County On 2/12/2019 1:44 PM, Dave wrote: Also, I’m wondering if anyone has run their KPA500 and a KPA1500 off of the

[Elecraft] KPA1500 vs SPE Amps

Has anyone had experience with both the KPA1500 and any of the current (1.3K, 1.5K or 2K) Expert Linears from SPE? I was initially leaning towards the 1.3K-FA without the ATU. The more I thought about it, the more I wanted to go with an ATU. The price difference to get less than 1db in going

[Elecraft] KPA1500 Remote - How to get it to work on a WAN ?

I have been trying for several months to get WAN to work properly on my KPA1500. Numerous contacts with Elecraft support have not yielded any solutions. Even with the Amplifier left ON, the remote software will not connect properly on WAN. There is some discussion that WOL (wake up lan) is

Re: [Elecraft] KPA1500 Remote - How to get it to work on a WAN ?

Take a look at this in the archives: http://elecraft.365791.n2.nabble.com/KPA1500-Static-IPv4-address-td7645170.html Maybe something there will help. There are ways to do it in a more secure manner. I'm not a big fan of exposing your $6000 amplifier with no security to the wild internet.

[Elecraft] KPA1500 Remote - How to get it to work on a WAN ?

I also cannot get the KPA1500 Remote to function over the internet (WAN) I even put it into a DMZ with no luck. works great on my LAN Does anyone have any directions on how this is to be setup ? Can't someone make a mobile app that works ? Rich n2ry

[Elecraft] KPA1500 QST Product Review, March QST, Page 46

March, 2019 *QST* has a nice high level product review of the KPA1500 on Page 46. ARRL members can access the digital version as explained here: http://www.arrl.org/qst Anyone can also watch a brief YouTube review by ARRL here: https://youtu.be/e_vhAbN-LKA 73, Bob, N6TV

[Elecraft] KPA1500 ATU

"Ever since I received my KPA1500 (SN 00178), I've observed that the ATU  sometimes won't achieve a match better than about 1.4:1, even though the antenna SWR is well within range." What is the SWR stop threshold set to. It's controlled by serial command (^STS) and I assume that, like the

Re: [Elecraft] KPA1500 ATU

I'm seeing a similar phenomenon, Scott, but figured I'm too much of a newbie with the amp to question it. 73, Pete N4ZR Check out the Reverse Beacon Network at , now spotting RTTY activity worldwide. For spots, please use your favorite "retail" DX cluster. On 2/6/2019

Re: [Elecraft] KPA1500 ATU

/ / / -- Original message-- *From: *K9MA *Date: *Wed, Feb 6, 2019 10:50 *To: *elecraft@mailman.qth.net <mailto:elecraft@mailman.qth.net>; *Cc: * *Subject:*[Elecraft] KPA1500 ATU Ever since I received my KPA1500 (SN 00178), I've observed that the ATU sometimes won't achieve a match bette

Re: [Elecraft] KPA1500 ATU

Scott, Did you try testing with a 50 ohm dummy load instead of an antenna?  How goes it react? Ken WA2LBI LG G6  -- Original message--From: K9MADate: Wed, Feb 6, 2019 10:50To: elecraft@mailman.qth.net;Cc: Subject:[Elecraft] KPA1500 ATU Ever since I received my KPA1500 (SN 00178), I've

[Elecraft] KPA1500 ATU

Ever since I received my KPA1500 (SN 00178), I've observed that the ATU sometimes won't achieve a match better than about 1.4:1, even though the antenna SWR is well within range. (ATU STOP TUN SWR = 1.0:1, tune power 40 W) Now, 1.4:1 doesn't sound that high, but the amplifier will often not

Re: [Elecraft] KPA1500 QST Review now on-line

Hi Jorge You can use a network controlled relay to apply 12 volts to a pin on the connector allowing it to be turned on remotely. If you have the amp configured to follow radio frequency it makes for easy remote operation with radios capable of remote. Dave wo2x Sent from my waxed string

Re: [Elecraft] KPA1500 QST Review now on-line

what that means? The amplifier also has a remote (REM) jack that can be tied into your remote power control system to power the amplifier on with 12 V dc applied and off if removed. 73, Jorge El vie., 1 feb. 2019 a las 23:08, escribió: > There is also a youtube short review that anyone can

Re: [Elecraft] KPA1500 QST Review now on-line

Eric *did* mention you had to be an ARRL member to access the content. On Sat, Feb 2, 2019 at 09:28 bill wrote: > Not much reading there if you do not belong to the ARRL. > > Bill W2BLC K-line > > > __ > Elecraft mailing list > Home:

Re: [Elecraft] KPA1500 QST Review now on-line

Not much reading there if you do not belong to the ARRL. Bill W2BLC K-line __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net

Re: [Elecraft] KPA1500 QST Review now on-line

There is also a youtube short review that anyone can watch. https://www.youtube.com/watch?v=e_vhAbN-LKA=youtu.be John KK9A From: Eric Swartz - WA6HHQ Date: Feb 1 18:23:22 EST 2019 The QST review of the KPA1500 is now on-line in pdf format. It can be viewed by ARRL members at the link below.

[Elecraft] KPA1500 QST Review now on-line

The QST review of the KPA1500 is now on-line in pdf format. It can be viewed by ARRL members at the link below. http://www.arrl.org/files/file/protected/Group/Members/ProductReview/PROD_REV_0319.pdf Enjoy the read! 73, Eric /elecraft.com/

Re: [Elecraft] KPA1500 remote connection not working.

ject: [Elecraft] KPA1500 remote connection not working. I have updated the firmware to 2.0 and tried to connect using static IP address. I have 5 static IPv4 addresses that I use for remote connection on my K3 and K3/O mini. My remote K3/0 connects flawlessly. However, I have always had a pro

Re: [Elecraft] KPA1500 remote connection not working.

: elecraft-boun...@mailman.qth.net On Behalf Of Burl Borcherding Sent: Sunday, January 27, 2019 4:20 PM To: Elecraft@mailman.qth.net Subject: [Elecraft] KPA1500 remote connection not working. I have updated the firmware to 2.0 and tried to connect using static IP address. I have 5 static IPv4 addresses

[Elecraft] KPA1500 remote connection not working.

I have updated the firmware to 2.0 and tried to connect using static IP address. I have 5 static IPv4 addresses that I use for remote connection on my K3 and K3/O mini. My remote K3/0 connects flawlessly. However, I have always had a problem connecting to the KPA1500 remotely. I can

[Elecraft] KPA1500 Operating Remotely

Can someone assist me- off the reflector- with the different settings needed to operate the KPA1500 remotely? I have it operating behind a VPN, and I want to be able to operate it either via another computer at the location or via Ethernet from my residence. Thanks for your assistance. I can't

Re: [Elecraft] KPA1500 loose 3K Ohm/3 watt resistor

"The leads of the resistor look like they are bent at the end as if it was soldered to surface of the board" I suspect you are right. I looked at the (perhaps intentionally) out of focus FCC photos and I see a wire ended resistor bridging surface mount pads in the lower left of the "Bottom

Re: [Elecraft] KPA1500 loose 3K Ohm/3 watt resistor

Hi Andy The amp appears to be working properly. The leads of the resistor look like they are bent at the end as if it was soldered to surface of the board and not through hole. Will be interesting what comes out of this. Dave wo2x Sent from my waxed string and tin cans. > On Jan 20,

[Elecraft] KPA1500 loose 3K Ohm/3 watt resistor

"I've looked at the boards and cannot see where it came off. I also looked at the pictures Elecraft submitted to the FCC and they do not show it." What doesn't work that used to work? If nothing, then maybe they slipped it in there just to confuse you. From the photo it looks as though it

[Elecraft] KPA1500 loose 3K Ohm/3 watt resistor

Hi All Went to move the amp today and heard something loose in the PA deck on the KPA1500. I removed the bottom cover to find a 3 K Ohm, 3 watt resistor laying loose to the side of the PA board. There is indication that the resistor has been heated. Checking the resistor with my Fluke 77 shows

[Elecraft] KPA1500 Utility for non-Windows

: "Walter J. Legowski" To: elecraft Subject: [Elecraft] KPA1500 Utility for Linux Message-ID: Content-Type: text/plain; charset=utf-8; format=flowed Now that I know about the need to update the firmware and the utility, I noticed that the Linux version of t

Re: [Elecraft] KPA1500 Utility for Linux

Hi Walt, There's no need to update the KPA1500 Utility to update the firmware. Click the "Copy New Files from Elecraft" button to download the new firmware to your computer, then click "Send Firmware to KPA1500". David, W4SMT --- On Sunday, January 6, 2019, 10:01:21 AM EST, Walter J.

[Elecraft] KPA1500 Utility for Linux

Now that I know about the need to update the firmware and the utility, I noticed that the Linux version of the utility is still from last June. It thinks that firmware version 1.87 is up-to-date, and knows nothing about version 2.0. Walt, WA1KKM

Re: [Elecraft] KPA1500 Utility and Firmware for Mac?

Hmmm . . . I think 18.6.27 is the old utility, from last summer. Elecraft's announcement said we have to use the new utility for the new F/W. The site lists a January 3 2019 utility for Windows but only the 6.27.18 for Mac. That utility reported that I have the latest F/W, which I don't . .

Re: [Elecraft] KPA1500 Utility and Firmware for Mac?

reluctant to buy new $1,000 I-phones.  Maybe not.  The unavailability of a Mac Utility for the Elecraft KPA1500 is an equally plausible hypothesis. Ted, KN1CBR __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo

Re: [Elecraft] KPA1500 Utility and Firmware for Mac?

on the Chinese economy, and so being reluctant to buy new $1,000 I-phones.  Maybe not.  The unavailability of a Mac Utility for the Elecraft KPA1500 is an equally plausible hypothesis. Ted, KN1CBR __ Elecraft mailing list Home: http

[Elecraft] KPA1500 Utility and Firmware for Mac?

to do with reports of consumers in China being uncertain about the effects of America’s trade policies on the Chinese economy, and so being reluctant to buy new $1,000 I-phones. Maybe not. The unavailability of a Mac Utility for the Elecraft KPA1500 is an equally plausible hypothesis. Ted

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