[Elecraft] Subject: FTDI to serial adapter for K3 with Windows 7

[James Setzler]

My Win7 Ultimate has done this forever.  Simple solution:

 

1.   Turn on the computer.

2.   Turn on the radio.

 

73 James K1SD

 

 

 

-original message--

Message: 19

Date: Thu, 12 Nov 2015 10:05:20 -0500

From: John Lawrence 

To: elecraft@mailman.qth.net

Subject: [Elecraft] FTDI to serial adapter for K3 with Windows 7

change. Why?

Message-ID: <150fc3ac0e5-24b0-11...@webprd-m37.mail.aol.com>

Content-Type: text/plain; charset=utf-8

 

 

I have recently had to reform my C drive and reload Windows 7 Pro

 

After doing the process of reinstalling the K3 utilities off the Elecraft
site

it has given me an outcome not meeting the prior results.  It down loaded
fine

but now I get PTT pulses on boot or sleep turn on. 

 

 

Never before with the same OS did the same DELL give me this.  Exactly, I
get a series

of PTT key up pulses in a series of, " - - -   - -   - - " each dash
representing the short PTT keyup

pulses on the K3 and it's always the seme series of PTT key ups.   Something
has changed but it isn't the FTDI driver. The command is coming from the Win
7 OS generating it with the FTDI driver.  Is there something in the BIOS
that has changed?  This is the Elecraft FTDI chip set cable.  

 

Any Windows 7 gurus who can help me?  

 

Thanks

 

 

 

John, W1QS

 

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Re: [Elecraft] KPA500 troubles

[Wes (N7WS)]

I guess I'll have to repeat myself.

There is no requirement to have a "measured" antenna; calculated gain (loss) is 
permitted.  It's kind of like high school algebra, you just have to show your 
work.  With modern analysis tools such as Eznec, it is almost trivial to do so, 
if you know what you are doing.


Soapbox mode on: When I was first licensed, we were relegated to using the DC 
input (Vp x Ip) as our power limit because it was assumed that we did not have 
the ability to measure RF power accurately.  As technology improved and this was 
no longer the case, the power limit(s) was changed to transmitter output power. 
Now we have been given a band, where like every other service, we get to use 
ERP, since the FCC, giving us the measure of the doubt, assumes that we know how 
to determine it.*  We should, it's a requirement of *§97.13*:


   "(c) Before causing or allowing an amateur station to transmit from any
   place where the operation of the station could cause human exposure to RF
   electromagnetic field levels in excess of those allowed under §1.1310 of
   this chapter, the licensee is required to take certain actions.

   (1) The licensee must perform the routine RF environmental evaluation
   prescribed by §1.1307(b) of this chapter, if the power of the licensee's
   station exceeds the limits given in the following table:"

* Also see 
https://www.fcc.gov/Bureaus/Engineering_Technology/Documents/bulletins/oet65/oet65.pdf 
where on page 16 it says:


   "Many antenna-modeling programs are based on NEC or MININEC analysis. These
   programs often yield very accurate results. An amateur enters his or her
   antenna dimensions and ground characteristics into the antenna model, and
   the program is then executed to calculate electric and magnetic field
   strengths near the antenna. These programs do require some amount of user
   skill, but the average amateur should not experience too much difficulty in
   using them. The ARRL Web page maintains a list of software vendors who sell
   antenna modeling software (http://www.arrl.org/news/rfsafety)"

Soapbox mode off.

N7WS

On 11/12/2015 1:05 AM, Guy Olinger K2AV wrote:

Kpa500 on 60 is illegal unless you have a *measured and
documented* VERY lossy antenna that would reduce the effective radiated
power to the same as 100 watts on a dipole. The simple 99 percent answer is
that on 60m SHUT OFF the Kpa500 and run 100 watts barefoot.

73, Guy K2AV




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Re: [Elecraft] KPA500 troubles

[Jim Brown]

On Wed,11/11/2015 1:30 PM, Wes (N7WS) wrote:
If I use an inductively-loaded vertical monopole with a minimal ground 
screen over Arizona ground my "dBd gain" might well be several dB 
negative. In which case, I'm allowed to compensate for that, and line 
loss, in determining amplifier output power.  In that, and many other 
events, a 100W transceiver is inadequate, ergo, a KPA500 is not out of 
the question. 


Your point is, of course, well taken, Wes. BUT -- there's a certain 
vagueness to the FCC definition, in that it does not specify mounting 
height of the reference dipole, making comparisons to a vertical 
antenna, which relates to mounting height quite differently, at least a 
bit squishy.


73, Jim K9YC


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Re: [Elecraft] FTDI to serial adapter for K3 with Windows 7 change. Why?

[Stephen Shearer]

Try turning the computer on first and don't sleep.
If you had to re-load W7, why not load W10?

In digital modes, I don't let the screen or computer sleep...

73, Steve WB3LGC

On 12-Nov-15 10:05 AM, John Lawrence via Elecraft wrote:


  I have recently had to reform my C drive and reload Windows 7 Pro

After doing the process of reinstalling the K3 utilities off the Elecraft site
it has given me an outcome not meeting the prior results.  It down loaded fine
but now I get PTT pulses on boot or sleep turn on.


  Never before with the same OS did the same DELL give me this.  Exactly, I get 
a series
of PTT key up pulses in a series of, " - - -   - -   - - " each dash 
representing the short PTT keyup
pulses on the K3 and it's always the seme series of PTT key ups.   Something 
has changed but it isn't the FTDI driver. The command is coming from the Win 7 
OS generating it with the FTDI driver.  Is there something in the BIOS that has 
changed?  This is the Elecraft FTDI chip set cable.

Any Windows 7 gurus who can help me?

Thanks



John, W1QS





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Re: [Elecraft] KPA500 troubles

[Guy Olinger K2AV]

Kpa500 on 60 is illegal unless you have a *measured and
documented* VERY lossy antenna that would reduce the effective radiated
power to the same as 100 watts on a dipole. The simple 99 percent answer is
that on 60m SHUT OFF the Kpa500 and run 100 watts barefoot.

73, Guy K2AV

On Thursday, November 12, 2015, W4GRJ  wrote:

> Since I have never operated on 60m ever... You figure it out
> Jack
> W4GRJ
>
> On Nov 11, 2015, at 3:33 PM, Jim Brown-10 [via Elecraft] <
> ml-node+s365791n7610243...@n2.nabble.com > wrote:
>
> On Wed,11/11/2015 12:10 PM, W4GRJ wrote:
> > Got the KPA500 back from Elecraft.
> > Problem found: L22 and other components in the 60M low pass filter
> circuit
> > burnt through the LPF PCB.
>
> 60M LPF??? Last I looked, the US power limit on 60M is 100W relative to
> a half wave dipole.
>
>
>
> > Repair $650 later: Replaced low pass filter module and installed QSK mod.
> >
> > On the phone I asked what caused the failure, answer was no idea other
> than
> > component failure. I understand stuff fails but I thought I would get
> more than 2 years before a major expensive failure.
>
> The LPF is on the output of the amplifier. One possible cause of failure
> could be lightning.
>
> > Previously had a Ameritron ALS-600 for 5+ years never a problem, sold it
> to
> > purchase the KPA500.
> >
> > Sometimes the grass is not greener.
>
> My only experience with an ALS-600 was at a contest station in PJ4
> several years ago. I found it to be a really inferior amp - most of the
> time, I was lucky to get 300W out if it. No comparison to a KPA500.
>
> 73, Jim K9YC
>
>
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> To unsubscribe from KPA500 troubles, click here.
> NAML
>
>
>
> --
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[Elecraft] Elecraft Cable

[Irwin Darack]

Is the cable between the P3 and Directional Coupler for the transmit
monitor a ethernet lan cable? That way I can use a shorter cable?

Thanks, Irwin KD3TB


-- 
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Re: [Elecraft] Elecraft Cable

[Alan]

Yes.

Alan N1AL

On 11/12/2015 03:54 PM, Irwin Darack wrote:

Is the cable between the P3 and Directional Coupler for the transmit
monitor a ethernet lan cable? That way I can use a shorter cable?

Thanks, Irwin KD3TB



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[Elecraft] K2 w/KPA100 power resets after approximately 2 hrs of turn-on time

[wa4ywm]

I originally posted this in July and I still have the problem. The issue is
as described below past the dashed line. Note that the issue happens even if
I haven't been transmitting.

Don Wilhelm helped me attempt to troubleshoot the issue. We eliminated the
base K2 as the source. After that, at Don's suggestion, I installed the
KPA100 upgrade kit - no success. At this point we gave up.

Recently I replaced D16 & D17 on the KPA100 after reading about similar
problems caused by the damaged diodes. Still no luck.

Has anyone out there had a similar issue? 

73,
Jim Elmore WA4YWM

--
I have a K2 serial no. 4729 with the 100W amp which I have been using for
almost 10 years.

It recently developed a problem with the following 2 symptoms:

1. After operating for some time (perhaps 1-2 hours) the Tune function will
begin to display 1 W with a 1.0-1 SWR on all bands. It normally displays
22-23W with the correct SWR shown.

2. At the same time, if I attempt to transmit, the K2 will apparently begin
to draw too much current and it shuts down and re-starts. The Tune function
also shuts the K2 down at this point.

I observed the same behavior on a dummy load - to eliminate an antenna or
feedline issue.

I also left the power supply on while letting the K2 cool down to see if the
supply
was the source of the problem. Apparently not since the K2 would operate for
a significant time after turning the K2 back on.





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Re: [Elecraft] FTDI to serial adapter for K3 with Windows 7 change. Why?

[Don Wilhelm]

This will always be that "problem" when the K3 PTT-KEY menu item is not 
set to OFF-OFF.
If you need to use those functions from the computer port, do as others 
have indicated, first turn on the computer, let it run its startup 
diagnostics, and then turn on the K3.
If you need to do otherwise (to re-boot the computer), then put the K3 
into TX TEST until the computer completes its boot and diagnostics,
It does not matter whether you are using a real serial port or a USB to 
serial adapter, the result will be the same - the computer "wiggles" 
those serial port lines during its boot diagnostics.


Other than appealing to Microsoft and Apple to change that behavior, I 
don't see another alternative available.


73,
Don W3FPR

On 11/12/2015 7:35 PM, Bob McGraw - K4TAX wrote:
Start the computer first and let it completely boot.  Then turn the 
radio power supply on and then the radio.  The computer will then 
recognize the USB port and connect accordingly.  When shutting down, 
radio first, then radio power supply, then computer.




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Re: [Elecraft] KPA500 Protection on 60 Meters

[Ron D'Eau Claire]

Remember: 

1) The person who experienced the failure said that he had NEVER used 60
meters! 
2) Eric said he was checking to ensure it was actually the 60 meter filter
that failed. 

Circumstantial evidence so far suggests it was either an EMP from a nearby
lightning strike or similar source or it was just a rare bad part that
failed after two years under normal stress while transmitting. 

73, Ron AC7AC

-Original Message-
From: Elecraft [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Wes
(N7WS)
Sent: Thursday, November 12, 2015 3:10 PM
To: elecraft@mailman.qth.net
Subject: Re: [Elecraft] KPA500 Protection on 60 Meters

What low pass filter level?

If this amplifier is going to blow up while delivering specified power then
we better be issued new front panels without the 60 and 30 meter buttons.


On 11/12/2015 3:43 PM, Roy Morris wrote:
> With my KPA500 in OPERATE (asterisk) mode on the 60 meter band, I have
> turned down the K3/100 POWER on all five channels to keep my power level
> from exceeding the low pass filter level.  Hopefully, this will take care
of
> the matter if I forget to take the amp out of the circuit.  Roy  W4WFB

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Re: [Elecraft] KPA500 Protection on 60 Meters

[Wes (N7WS)]

What low pass filter level?

If this amplifier is going to blow up while delivering specified power then we 
better be issued new front panels without the 60 and 30 meter buttons.



On 11/12/2015 3:43 PM, Roy Morris wrote:

With my KPA500 in OPERATE (asterisk) mode on the 60 meter band, I have
turned down the K3/100 POWER on all five channels to keep my power level
from exceeding the low pass filter level.  Hopefully, this will take care of
the matter if I forget to take the amp out of the circuit.  Roy  W4WFB

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Re: [Elecraft] FTDI to serial adapter for K3 with Windows 7 change. Why?

[Bob McGraw - K4TAX]

Start the computer first and let it completely boot.  Then turn the 
radio power supply on and then the radio.  The computer will then 
recognize the USB port and connect accordingly.  When shutting down, 
radio first, then radio power supply, then computer.


73
Bob, K4TAX

On 11/12/2015 11:24 AM, Ken G Kopp wrote:

John,

My Windows 7 Pro has always operated this way.  Dunno if it's evidence of a
"problem" or not.  The "fix" ... for me ... is to first push TX disable on
the K3 when turning the computer on.



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Re: [Elecraft] FTDI to serial adapter for K3 with Windows 7 change. Why?

[Don Wilhelm]

I have been informed by those who know that the behavior (wiggling the 
serial port lines) is confined to Windows.  It does not happen with the 
Apple (MAC) OS.


So only letters and other appeals to only Microsoft are necessary.
In the meantime, realize that those signals are active during MS 
computer boot times, and take whatever actions are necessary.


73,
Don W3FPR


This will always be that "problem" when the K3 PTT-KEY menu item is not 
set to OFF-OFF.
If you need to use those functions from the computer port, do as others 
have indicated, first turn on the computer, let it run its startup 
diagnostics, and then turn on the K3.
If you need to do otherwise (to re-boot the computer), then put the K3 
into TX TEST until the computer completes its boot and diagnostics,
It does not matter whether you are using a real serial port or a USB to 
serial adapter, the result will be the same - the computer "wiggles" 
those serial port lines during its boot diagnostics.


Other than appealing to Microsoft and Apple to change that behavior, I 
don't see another alternative available.


73,
Don W3FPR

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[Elecraft] Elecraft 1.8 Hz Roofing Filter for sale

[Irwin Darack]

I have a 1.8 Hz 8 pole Roofing Filter for K3 or K3S for sale. Purchased new
from Elecraft with my original K3. I replaced this filter with a 2.1 Hz for
SSB.

Asking $100 or Best Offer + free shipping in CON USA

Please contact me off list.

Irwin KD3TB




-- 
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[Elecraft] What are your favorite K3 and KX3 macros?

[Hajo Dezelski]

Hi,

Although I have done my share in programming and have studied the
programmers reference manual and have played with the macro examples, I
must confess, that I am sometimes lost.  I looked up the net and found some
interesting solutions, which only could be programmed if you really know
how things play together in the Elecraft rigs.

I have learned that the need for K3 owners to program macros is not so high
on the priority list for the UI is nearly complete, but for us "poor" Kx3
and Px3 hams without the in-depth knowledge it would be great, if we could
manage with the push of a button to let the Kx3 perform some somersaults
;-))

So if someone would open his bag of tricks concerning macros ... You are
welcome.

73 de
Hajo ( DL1SDZ)

PS: My favorite noncompetitive macro in the moment
KYWPLEASE IMPROVE BANDCONDITIONS TNX;

---
Cela est bien dit, ...,mais il fault cultiver notre jardin.
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Re: [Elecraft] KPA500 troubles

[w4grj]

I need to correct the information on the repair cost

It was $615 with shipping not $650 as I previously reported.

 

Jack W4GRJ

 

 


On Thursday, November 12, 2015, W4GRJ  wrote:

Since I have never operated on 60m ever... You figure it out
Jack
W4GRJ

On Nov 11, 2015, at 3:33 PM, Jim Brown-10 [via Elecraft] 
 > wrote:

On Wed,11/11/2015 12:10 PM, W4GRJ wrote:
> Got the KPA500 back from Elecraft.
> Problem found: L22 and other components in the 60M low pass filter circuit
> burnt through the LPF PCB.

60M LPF??? Last I looked, the US power limit on 60M is 100W relative to
a half wave dipole.



> Repair $650 later: Replaced low pass filter module and installed QSK mod.
>
> On the phone I asked what caused the failure, answer was no idea other than
> component failure. I understand stuff fails but I thought I would get more 
> than 2 years before a major expensive failure.

The LPF is on the output of the amplifier. One possible cause of failure
could be lightning.

> Previously had a Ameritron ALS-600 for 5+ years never a problem, sold it to
> purchase the KPA500.
>
> Sometimes the grass is not greener.

My only experience with an ALS-600 was at a contest station in PJ4
several years ago. I found it to be a really inferior amp - most of the
time, I was lucky to get 300W out if it. No comparison to a KPA500.

73, Jim K9YC


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To unsubscribe from KPA500 troubles, click here.
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Re: [Elecraft] What are your favorite K3 and KX3 macros?

[Joel Black]

Hajo,

I like your macro. I didn’t realize how poor the band conditions were until I 
tried to check into a state-wide 75 m net last night.

Here are the two things I have programmed in my KX3 at the moment:

PF1 - (Macro 1) 
MD3;SWT25;SWT25;FT1;SB1;UPB4;MN142;MP001;MN110;SWT27;SWH18;MN255;
(Macro 2) SB0;FR0;MN142;MP000;MN110;SWT19;SWH18;MN255;

PF2 - Turns on and off my ATU.

PF1 looks more complicated than it is. As it is written, Macro 1 puts the KX3 
into CW mode, puts the radio into split mode and moves the transmit frequency 
up 1 kHz (UP 1).

Macro 1 goes into the Macro 1 slot in the KX3 program and Macro 2 goes into the 
Macro 2 slot. Macro 1 will load on the first long press of the PF1 button and 
pre-stage Macro 2. The second long press will execute Macro 2. It can be 
configured with different modes, power settings, split settings, etc.

73,
Joel - W4JBB

> On Nov 12, 2015, at 5:56 AM, Hajo Dezelski  wrote:
> 
> Hi,
> 
> Although I have done my share in programming and have studied the
> programmers reference manual and have played with the macro examples, I
> must confess, that I am sometimes lost.  I looked up the net and found some
> interesting solutions, which only could be programmed if you really know
> how things play together in the Elecraft rigs.
> 
> I have learned that the need for K3 owners to program macros is not so high
> on the priority list for the UI is nearly complete, but for us "poor" Kx3
> and Px3 hams without the in-depth knowledge it would be great, if we could
> manage with the push of a button to let the Kx3 perform some somersaults
> ;-))
> 
> So if someone would open his bag of tricks concerning macros ... You are
> welcome.
> 
> 73 de
> Hajo ( DL1SDZ)
> 
> PS: My favorite noncompetitive macro in the moment
> KYWPLEASE IMPROVE BANDCONDITIONS TNX;
> 
> ---
> Cela est bien dit, ...,mais il fault cultiver notre jardin.
> __
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[Elecraft] about 60m erp

[Roy Koeppe]

“Kpa500 on 60 is illegal unless you have a *measured and
documented* VERY lossy antenna that would reduce the effective radiated
power to the same as 100 watts on a dipole. The simple 99 percent answer is
that on 60m SHUT OFF the Kpa500 and run 100 watts barefoot.”

Let’s see,

“antenna tuner” loss + coax loss = -1 dB

vertical ant “pattern loss” vs. dipole gain = –2 dB (antenna shorter than 
quarter wave)

“ground loss” under vertical ant (typical) = –2 dB

total, –5 dB, or around 250 watts or so from an amp for 100 w erp?

73,   Roy   K6XK 







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Re: [Elecraft] What are your favorite K3 and KX3 macros?

[David Cole]

Hi,
I have a few macros here...

http://nk7z.net/wiki/elecraft-k3-macros/

Some I have gotten off the mail lists, and some I have built...  This is
my Wiki for the K3.  I just began adding to it a few months ago...

-- 
Thanks and 73's,
For equipment, and software setups and reviews see:
www.nk7z.net

For MixW support see;
http://groups.yahoo.com/neo/groups/mixw/info
For Dopplergram information see:
http://groups.yahoo.com/neo/groups/dopplergram/info
For MM-SSTV see:
http://groups.yahoo.com/neo/groups/MM-SSTV/info


On Thu, 2015-11-12 at 12:56 +0100, Hajo Dezelski wrote:
> Hi,
> 
> Although I have done my share in programming and have studied the
> programmers reference manual and have played with the macro examples, I
> must confess, that I am sometimes lost.  I looked up the net and found some
> interesting solutions, which only could be programmed if you really know
> how things play together in the Elecraft rigs.
> 
> I have learned that the need for K3 owners to program macros is not so high
> on the priority list for the UI is nearly complete, but for us "poor" Kx3
> and Px3 hams without the in-depth knowledge it would be great, if we could
> manage with the push of a button to let the Kx3 perform some somersaults
> ;-))
> 
> So if someone would open his bag of tricks concerning macros ... You are
> welcome.
> 
> 73 de
> Hajo ( DL1SDZ)
> 
> PS: My favorite noncompetitive macro in the moment
> KYWPLEASE IMPROVE BANDCONDITIONS TNX;
> 
> ---
> Cela est bien dit, ...,mais il fault cultiver notre jardin.
> __
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Re: [Elecraft] KPA500 troubles

[w4grj]

Don’t need any more responses on the legalities of 60M since the amp was never 
used on 60M

as stated in several other replies.

Jack W4GRJ

 

From: guyk...@gmail.com [mailto:guyk...@gmail.com] On Behalf Of Guy Olinger K2AV
Sent: Thursday, November 12, 2015 3:05 AM
To: W4GRJ
Cc: elecraft@mailman.qth.net
Subject: Re: [Elecraft] KPA500 troubles

 

Kpa500 on 60 is illegal unless you have a *measured and documented* VERY lossy 
antenna that would reduce the effective radiated power to the same as 100 watts 
on a dipole. The simple 99 percent answer is that on 60m SHUT OFF the Kpa500 
and run 100 watts barefoot. 

 

73, Guy K2AV 

On Thursday, November 12, 2015, W4GRJ  wrote:

Since I have never operated on 60m ever... You figure it out
Jack
W4GRJ

On Nov 11, 2015, at 3:33 PM, Jim Brown-10 [via Elecraft] 
 > wrote:

On Wed,11/11/2015 12:10 PM, W4GRJ wrote:
> Got the KPA500 back from Elecraft.
> Problem found: L22 and other components in the 60M low pass filter circuit
> burnt through the LPF PCB.

60M LPF??? Last I looked, the US power limit on 60M is 100W relative to
a half wave dipole.



> Repair $650 later: Replaced low pass filter module and installed QSK mod.
>
> On the phone I asked what caused the failure, answer was no idea other than
> component failure. I understand stuff fails but I thought I would get more 
> than 2 years before a major expensive failure.

The LPF is on the output of the amplifier. One possible cause of failure
could be lightning.

> Previously had a Ameritron ALS-600 for 5+ years never a problem, sold it to
> purchase the KPA500.
>
> Sometimes the grass is not greener.

My only experience with an ALS-600 was at a contest station in PJ4
several years ago. I found it to be a really inferior amp - most of the
time, I was lucky to get 300W out if it. No comparison to a KPA500.

73, Jim K9YC


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Re: [Elecraft] KPA500 troubles

[Charlie T, K3ICH]

That seems like a helluva lot to fix the bandpass
filter for a band that you never used.

Very UN-Elecraft sounding to me.

73, Charlie k3ICH



-Original Message-
From: Elecraft
[mailto:elecraft-boun...@mailman.qth.net] On
Behalf Of w4grj
Sent: Thursday, November 12, 2015 7:14 AM
To: elecraft@mailman.qth.net
Subject: Re: [Elecraft] KPA500 troubles

I need to correct the information on the repair
cost

It was $615 with shipping not $650 as I previously
reported.

 

Jack W4GRJ

 

 


On Thursday, November 12, 2015, W4GRJ
 wrote:

Since I have never operated on 60m ever... You
figure it out Jack W4GRJ

On Nov 11, 2015, at 3:33 PM, Jim Brown-10 [via
Elecraft]
 > wrote:

On Wed,11/11/2015 12:10 PM, W4GRJ wrote:
> Got the KPA500 back from Elecraft.
> Problem found: L22 and other components in the
60M low pass filter 
> circuit burnt through the LPF PCB.

60M LPF??? Last I looked, the US power limit on
60M is 100W relative to a half wave dipole.



> Repair $650 later: Replaced low pass filter
module and installed QSK mod.
>
> On the phone I asked what caused the failure,
answer was no idea other 
> than component failure. I understand stuff fails
but I thought I would get more than 2 years before
a major expensive failure.

The LPF is on the output of the amplifier. One
possible cause of failure could be lightning.

> Previously had a Ameritron ALS-600 for 5+ years
never a problem, sold 
> it to purchase the KPA500.
>
> Sometimes the grass is not greener.

My only experience with an ALS-600 was at a
contest station in PJ4 several years ago. I found
it to be a really inferior amp - most of the time,
I was lucky to get 300W out if it. No comparison
to a KPA500.

73, Jim K9YC


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Re: [Elecraft] What are your favorite K3 and KX3 macros?

[Byron Peebles]

I use the standard SPLIT+1, NORMAL, SPLIT+5 pairing on the K3S PF Keys 
where each macro sets up the "unset" version. But I also use the K3 
Utility macros to DISPLAY values when I'm troubleshooting, since I 
execute them directly from the Utility at that time.  73, Byron


On 11/12/2015 06:56 AM, Hajo Dezelski wrote:

Hi,

Although I have done my share in programming and have studied the
programmers reference manual and have played with the macro examples, I
must confess, that I am sometimes lost.  I looked up the net and found some
interesting solutions, which only could be programmed if you really know
how things play together in the Elecraft rigs.

I have learned that the need for K3 owners to program macros is not so high
on the priority list for the UI is nearly complete, but for us "poor" Kx3
and Px3 hams without the in-depth knowledge it would be great, if we could
manage with the push of a button to let the Kx3 perform some somersaults
;-))

So if someone would open his bag of tricks concerning macros ... You are
welcome.

73 de
Hajo ( DL1SDZ)

PS: My favorite noncompetitive macro in the moment
KYWPLEASE IMPROVE BANDCONDITIONS TNX;

---
Cela est bien dit, ...,mais il fault cultiver notre jardin.
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Re: [Elecraft] K2 w/KPA100 power resets after approximately 2 hrs of turn-on time

[Vic Rosenthal]

Try checking solder connections in the lowpass filter area of the kpa100, 
especially the toroid leads. Often bad connections produce temperature-related 
problems.

Vic 4X6GP/K2VCO 

> On 13 Nov 2015, at 3:27 AM, wa4ywm  wrote:
> 
> I originally posted this in July and I still have the problem. The issue is
> as described below past the dashed line. Note that the issue happens even if
> I haven't been transmitting.
> 
> Don Wilhelm helped me attempt to troubleshoot the issue. We eliminated the
> base K2 as the source. After that, at Don's suggestion, I installed the
> KPA100 upgrade kit - no success. At this point we gave up.
> 
> Recently I replaced D16 & D17 on the KPA100 after reading about similar
> problems caused by the damaged diodes. Still no luck.
> 
> Has anyone out there had a similar issue? 
> 
> 73,
> Jim Elmore WA4YWM
> 
> --
> I have a K2 serial no. 4729 with the 100W amp which I have been using for
> almost 10 years.
> 
> It recently developed a problem with the following 2 symptoms:
> 
> 1. After operating for some time (perhaps 1-2 hours) the Tune function will
> begin to display 1 W with a 1.0-1 SWR on all bands. It normally displays
> 22-23W with the correct SWR shown.
> 
> 2. At the same time, if I attempt to transmit, the K2 will apparently begin
> to draw too much current and it shuts down and re-starts. The Tune function
> also shuts the K2 down at this point.
> 
> I observed the same behavior on a dummy load - to eliminate an antenna or
> feedline issue.
> 
> I also left the power supply on while letting the K2 cool down to see if the
> supply
> was the source of the problem. Apparently not since the K2 would operate for
> a significant time after turning the K2 back on.
> 
> 
> 
> 
> 
> --
> View this message in context: 
> http://elecraft.365791.n2.nabble.com/K2-w-KPA100-power-resets-after-approximately-2-hrs-of-turn-on-time-tp7610298.html
> Sent from the Elecraft mailing list archive at Nabble.com.
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Re: [Elecraft] What are your favorite K3 and KX3 macros?

[Sverre Holm (LA3ZA)]

The K3 macro I use the most is "Speakers on/off" for whenever I want to use
headphones. See macro 3 here:
http://la3za.blogspot.no/2013/12/clever-k3-macro-trick.html



-
Sverre, LA3ZA

K2 #2198, K3 #3391,
LA3ZA Blog: http://la3za.blogspot.com,
LA3ZA Unofficial Guide to K2 modifications: 
http://la3za.blogspot.com/p/la3za-unofficial-guide-to-elecraft-k2.html
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[Elecraft] e Re: [K3] Recent post about n1mm macros to send FSK without fancy hardware

[Jim Rogers]

Hi Bill,  Well I just checked it out here and sure 'nuff, it works. On 
page 36 of the K3s manual (page 34) of the K3 manual the setup is 
described.  The K3 doesn't care if the excitation comes from the 
computer via the KY command or from the paddles so have a ball my 
friend. You can use the CW macros on RTTY.  I do not have n1mm but did 
all of my testing with HRD's DM780 using the KY command.  RTTY without 
an interface works for me!


Jim, W4ATK

On H/11/2015 11:50 AM, Bill Conkling wrote:

There was a recent post on a reflector (don’t know which one) that listed n1mm 
function key macros for sending FSK using KY commands I think.  It didn’t seem 
to require any interface other than usual serial cable.  I am interested in 
this information.

If this will work with DX Labs as well, please include that info.

Thanks for your time.

…bill nr4c
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Re: [Elecraft] about 60m erp

[Roger D Johnson]

According to EZNEC, a 1/2 wave dipole up 1/2 wavelength has a gain of 7.76 dbi
at 27 degrees elevation. Most of this is due to ground reflection. My vertical 
has a
gain of 0.72 dbi. So I can run 7db more power (500 watts)!!!

73 Roger

On 11/12/2015 7:30 AM, Roy Koeppe wrote:

“Kpa500 on 60 is illegal unless you have a *measured and
documented* VERY lossy antenna that would reduce the effective radiated
power to the same as 100 watts on a dipole. The simple 99 percent answer is
that on 60m SHUT OFF the Kpa500 and run 100 watts barefoot.”

Let’s see,

“antenna tuner” loss + coax loss = -1 dB

vertical ant “pattern loss” vs. dipole gain = –2 dB (antenna shorter than 
quarter wave)

“ground loss” under vertical ant (typical) = –2 dB

total, –5 dB, or around 250 watts or so from an amp for 100 w erp?

73,   Roy   K6XK







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Re: [Elecraft] KPA500 troubles

[W4GRJ]

Yes, I agree and complained, they said the repair was discounted by $200.

The amp is 2 years old.

I am seriously thinking about selling while there is a bit of a warranty and
buying the SPE 1.2KA amp.

Jack W4GRJ

 

 

From: Charlie T, K3ICH [via Elecraft]
[mailto:ml-node+s365791n7610272...@n2.nabble.com] 
Sent: Thursday, November 12, 2015 7:34 AM
To: W4GRJ
Subject: Re: KPA500 troubles

 

That seems like a helluva lot to fix the bandpass 
filter for a band that you never used. 

Very UN-Elecraft sounding to me. 

73, Charlie k3ICH 



-Original Message- 
From: Elecraft 
[mailto:[hidden email]] On 
Behalf Of w4grj 
Sent: Thursday, November 12, 2015 7:14 AM 
To: [hidden email] 
Subject: Re: [Elecraft] KPA500 troubles 

I need to correct the information on the repair 
cost 

It was $615 with shipping not $650 as I previously 
reported. 

  

Jack W4GRJ 

  

  


On Thursday, November 12, 2015, W4GRJ 
<[hidden email]> wrote: 

Since I have never operated on 60m ever... You 
figure it out Jack W4GRJ 

On Nov 11, 2015, at 3:33 PM, Jim Brown-10 [via 
Elecraft] 
<[hidden email] 
 > wrote: 

On Wed,11/11/2015 12:10 PM, W4GRJ wrote: 
> Got the KPA500 back from Elecraft. 
> Problem found: L22 and other components in the 
60M low pass filter 
> circuit burnt through the LPF PCB. 

60M LPF??? Last I looked, the US power limit on 
60M is 100W relative to a half wave dipole. 



> Repair $650 later: Replaced low pass filter 
module and installed QSK mod. 
> 
> On the phone I asked what caused the failure, 
answer was no idea other 
> than component failure. I understand stuff fails 
but I thought I would get more than 2 years before 
a major expensive failure. 

The LPF is on the output of the amplifier. One 
possible cause of failure could be lightning. 

> Previously had a Ameritron ALS-600 for 5+ years 
never a problem, sold 
> it to purchase the KPA500. 
> 
> Sometimes the grass is not greener. 

My only experience with an ALS-600 was at a 
contest station in PJ4 several years ago. I found 
it to be a really inferior amp - most of the time, 
I was lucky to get 300W out if it. No comparison 
to a KPA500. 

73, Jim K9YC 


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Re: [Elecraft] OT: W8FGU Enclosure Website

[Dave Van Wallaghen]

Absolutely Terry - absolutely.


On 11/12/2015 2:08:50 PM, "Terry Schieler" 
 wrote:



" promptly let fall off of my radar"

Dave,

Experienced the same thing here.  I attribute it to a diet heavily 
saturated in paradiddles.


Terry, W0FM


-Original Message-
From: Dave Van Wallaghen [mailto:w8...@comcast.net]
Sent: Wednesday, November 11, 2015 7:36 PM
To: elecraft@mailman.qth.net
Subject: [Elecraft] OT: W8FGU Enclosure Website

Folks,

I apologize in advance for the use of bandwidth. I've received a few 
inquiries about my website (or lack thereof) and wanted to let all my 
customers know that I am still in business. Comcast decided to stop 
hosting websites and killed access to them a couple of weeks ago. I did 
receive a notice from them about 3 months ago and promptly let fall off 
of my radar. So I am without a site for the moment while I actively 
search for a new home.


In the meantime, if you have a need for an enclosure for any of 
Elecraft's mini-modules or a KX3/PX3 dust cover, just email me at w8fgu 
at comcast dot net and I'll be able to take care of your order via a 
PayPal enabled email invoice.


I apologize for any inconvenience to my current or future customers and 
will hopefully find a new home soon. I'm currently looking at QTH.com 
as a possible home with my own domain name. If anyone has any 
experience with them and would like to share it with me, please email 
me privately.


Back to massaging my website...

73 and thanks for the bandwidth,
Dave W8FGU




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[Elecraft] KSYN3A and QSK

[Barry Simpson]

I am thinking of further upgrading my venerable K3 S/N 13** by installing
the new synthesizer boards. I have already fitted the KXV3B which is
fantastic as regards the receive preamp on 12, 10 and 6.

My question is does the installation of the KSYN3A retain the two grades of
QSK (normal and fast) or is it now always fast ? Also doess it still work
fast with RIT on etc ?

Barry Simpson  VK2BJ

Currently operating from on holiday in Vanuatu as YJ0BJ using said K3
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Re: [Elecraft] e Re: [K3] Recent post about n1mm macros to send FSK without fancy hardware

[Bob N3MNT]

Here is the link I think you are asking about.
http://ellmore.net/na1dx/?p=469



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Re: [Elecraft] Sherwood Receiver Test Data - K3S Added Today

[george fritkin via Elecraft]

If the TS990 had metal knobs not plastic, it might make 75 pounds!
73deGeorge, W6GF 


 On Wednesday, November 11, 2015 8:09 PM, Jim Lowman 
 wrote:
   

 Well, I guess the Kenwood TS-990S that I just unpacked doesn't qualify, 
even by virtue of its 54-pound weight.  :-)
No tubes, less than 75 pounds, and no place to tie a rope.

73 de Jim - AD6CW

P.S.  I haven't defected from Elecraft.  The K3S that I ordered at the 
Huntsville Hamfest is waiting for a clear place so that I can assemble it.
Still have the K1, K2, K3/10 and KX3.

On 11/10/2015 8:04 PM, Bob McGraw - K4TAX wrote:
> One thing which is seriously missing from the definition and that is a 
> boat anchor must have a place to tie a rope which then becomes an 
> anchor line.  With no place to tie a rope, the item  is merely 
> ballast.  There are some of the new radios that fall into both of 
> these categories and thus should be used accordingly.
>
> 73
> Bob, K4TAX
>
> On 11/10/2015 6:43 PM, Don Wilhelm wrote:
>> Gary,
>>
>> By definition, a boat anchor has vacuum tubes that glow, and have to 
>> be more than 40 years old (my definition).
>> Ohhh, and they need to include a power transformer which gives them 
>> enough weight to allow them to sink to the bottom of the lake.
>

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Re: [Elecraft] KPA500 troubles

[Eric Swartz - WA6HHQ, Elecraft]

Hi Jack,

I apologize for any consternation this has caused you. 

Since multiple components burned through the LPF  PC board, that is major 
damage and would require replacement of the whole LPF board, which is a major 
cost component of the amp. (Taking out this board and replacing it requires 
disassembly and reassembly of a major portion off the amp.)  The repair cost 
also includes the tech time to diagnose, disassemble, repair, reassemble, 
retest and do full production TX burn-in of the amp on all bands.

Component failure like this can occur in any manufacturer's radio or amplifier 
for many reasons, such as power line surges, nearby lightning strikes, 
operating with excessive SWR, transmitting into a wrong antenna etc. You do not 
need to be operating on a particular band, or even have the amp or radio on to 
incur lightning damage. This can also cause partial damage to components that 
then shows up as a failure later after additional operation. 

As a side note, every year during lightning season we see a significant 
increase in all sorts of 'interesting' repairs sent in to us on all of our 
products. Many times the user is not even aware that a strike occurred 
somewhere nearby while they still had their antennas connected.

I'll review your repair report with our techs to make sure we didn't over 
charge for anything. I'll also check to see if they mis-identified which band 
the destroyed LPF components were from.

73,
Eric
elecraft.com
_..._

> -Original Message-
> From: Elecraft
> [mailto:elecraft-boun...@mailman.qth.net] On
> Behalf Of w4grj
> Sent: Thursday, November 12, 2015 7:14 AM
> To: elecraft@mailman.qth.net
> Subject: Re: [Elecraft] KPA500 troubles
> 
> I need to correct the information on the repair
> cost
> 
> It was $615 with shipping not $650 as I previously
> reported.
> 
> Jack W4GRJ
> 
>> On Wed,11/11/2015 12:10 PM, W4GRJ wrote:
>> Got the KPA500 back from Elecraft.
>> Problem found: L22 and other components in the
> 60M low pass filter 
>> circuit burnt through the LPF PCB.
> 
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Re: [Elecraft] FTDI to serial adapter for K3 with Windows 7 change. Why?

[Ken G Kopp]

Slight correction to my post ...

"first push the TEST side of the MODE button..."

73!

Ken - K0PP
---

On Thu, Nov 12, 2015 at 10:35 AM, Art Hejduk  wrote:

> I just make sure I have the K3 connected to a dummy load.
>
> 73,
> Art  WB8ENE
>
> On Thu, Nov 12, 2015 at 12:24 PM, Ken G Kopp  wrote:
>
>> John,
>>
>> My Windows 7 Pro has always operated this way.  Dunno if it's evidence of
>> a
>> "problem" or not.  The "fix" ... for me ... is to first push TX disable on
>> the K3 when turning the computer on.
>>
>> 73
>>
>> Ken - K0PP
>> On Nov 12, 2015 10:16 AM, "John Lawrence via Elecraft" <
>> elecraft@mailman.qth.net> wrote:
>>
>> >
>> >  I have recently had to reform my C drive and reload Windows 7 Pro
>> >
>> > After doing the process of reinstalling the K3 utilities off the
>> Elecraft
>> > site
>> > it has given me an outcome not meeting the prior results.  It down
>> loaded
>> > fine
>> > but now I get PTT pulses on boot or sleep turn on.
>> >
>> >
>> >  Never before with the same OS did the same DELL give me this.
>> Exactly, I
>> > get a series
>> > of PTT key up pulses in a series of, " - - -   - -   - - " each dash
>> > representing the short PTT keyup
>> > pulses on the K3 and it's always the seme series of PTT key ups.
>> >  Something has changed but it isn't the FTDI driver. The command is
>> coming
>> > from the Win 7 OS generating it with the FTDI driver.  Is there
>> something
>> > in the BIOS that has changed?  This is the Elecraft FTDI chip set cable.
>> >
>> > Any Windows 7 gurus who can help me?
>> >
>> > Thanks
>> >
>> >
>> >
>> > John, W1QS
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>
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[Elecraft] FW: FTDI to serial adapter for K3 with Windows 7 change. Why?

[Dick Dievendorff]

During OS startup and device driver initialization the rs-232 control lines
(DTR and or RTS) are sometimes wiggled. If your K3 is configured to PTT or
KEY on these RS-232 signals, it can transmit.  Check k3 config PTT-KEY.

This happened to me a lot when I used this keying technique with N1MM.

73 de Dick, K6KR

> On Nov 12, 2015, at 07:05, John Lawrence via Elecraft
 wrote:
> 
>  Exactly, I get a series
> of PTT key up pulses in a series of, " - - -   - -   - - " each dash
representing the short PTT keyup
> pulses on the K3 and it's always the seme series of PTT key ups.
Something has changed but it isn't the FTDI driver. The command is coming
from the Win 7 OS generating it with the FTDI driver.  Is there something in
the BIOS that has changed?  This is the Elecraft FTDI chip set cable.  
> 
> Any Windows 7 gurus who can help me?  
> 
> Thanks
> 
> 
> 
> John, W1QS
> 
> 
> 
> 
> 
> __
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Re: [Elecraft] Microsoft Surface Pro 3-PSK31

[Tim Elwell]

Hi Jim,

When I travel, I have a Surface Pro 2 that I take with me along with my 
KX3. I don't use the signal link at all. I would probably have slightly 
better bandwidth and signal, but I just use the on board sound card with 
a proper TRRS adapter to split off the mic and headphones. I got mine 
from amazon for 6 bucks maybe. Then I just use the USB from the KX3 and 
connect the headphone out of KX3 to the mic in of the surface and 
headphone out of surface to mic on the KX3 with the cable set that 
Elecraft sells. I've made plenty of contacts that way without any issues 
with DXLab Suite, HRD and FLDigi and have used it with RMS Express via 
the winmor protocol. You may have to adjust the levels of your sound 
card in the surface, but as I said, I use it quite regularly without any 
problems what so ever.


I do have a signal link, but I have yet to use it with my setup. Other 
than the adapter, adjusting levels, and plugging in cables, it should 
just work. Just make sure your software knows which com port the KX3 is 
on. I sometimes forget that part and bang my head for a while trying to 
figure out why it's not working right. hi hi


I love the setup and it's nice not having to drag around extra cables 
and boxes in my suitcase just to work digital. Again, you may have a 
cleaner and/or slightly strong signal with a dedicated sound card like 
the signal link, but I haven't had any problems making contacts without 
it. And to me, it's one less point of failure I have to worry about. YMMV.


73,

Tim
KG1GEM

On 11/11/15 10:42 PM, grif80...@comcast.net wrote:

I'm interested in trying to get my MS Surface Pro 3, great to pack on the 
motorcycle, hooked up and usable with my KX3, also great to pack on the motorcycle, 
for portable PSK31. It's quite a departure from a 17" laptop! I have a 
Signalink available also. Anyone have this set up working? What do I need to know?
Jim KC0TRK
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Re: [Elecraft] FTDI to serial adapter for K3 with Windows 7 change. Why?

[Art Hejduk]

I just make sure I have the K3 connected to a dummy load.

73,
Art  WB8ENE

On Thu, Nov 12, 2015 at 12:24 PM, Ken G Kopp  wrote:

> John,
>
> My Windows 7 Pro has always operated this way.  Dunno if it's evidence of a
> "problem" or not.  The "fix" ... for me ... is to first push TX disable on
> the K3 when turning the computer on.
>
> 73
>
> Ken - K0PP
> On Nov 12, 2015 10:16 AM, "John Lawrence via Elecraft" <
> elecraft@mailman.qth.net> wrote:
>
> >
> >  I have recently had to reform my C drive and reload Windows 7 Pro
> >
> > After doing the process of reinstalling the K3 utilities off the Elecraft
> > site
> > it has given me an outcome not meeting the prior results.  It down loaded
> > fine
> > but now I get PTT pulses on boot or sleep turn on.
> >
> >
> >  Never before with the same OS did the same DELL give me this.  Exactly,
> I
> > get a series
> > of PTT key up pulses in a series of, " - - -   - -   - - " each dash
> > representing the short PTT keyup
> > pulses on the K3 and it's always the seme series of PTT key ups.
> >  Something has changed but it isn't the FTDI driver. The command is
> coming
> > from the Win 7 OS generating it with the FTDI driver.  Is there something
> > in the BIOS that has changed?  This is the Elecraft FTDI chip set cable.
> >
> > Any Windows 7 gurus who can help me?
> >
> > Thanks
> >
> >
> >
> > John, W1QS
> >
> >
> >
> >
> >
> > __
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> > Message delivered to kengk...@gmail.com
> >
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[Elecraft] FTDI to serial adapter for K3 with Windows 7 change. Why?

[John Lawrence via Elecraft]

 I have recently had to reform my C drive and reload Windows 7 Pro

After doing the process of reinstalling the K3 utilities off the Elecraft site
it has given me an outcome not meeting the prior results.  It down loaded fine
but now I get PTT pulses on boot or sleep turn on. 


 Never before with the same OS did the same DELL give me this.  Exactly, I get 
a series
of PTT key up pulses in a series of, " - - -   - -   - - " each dash 
representing the short PTT keyup
pulses on the K3 and it's always the seme series of PTT key ups.   Something 
has changed but it isn't the FTDI driver. The command is coming from the Win 7 
OS generating it with the FTDI driver.  Is there something in the BIOS that has 
changed?  This is the Elecraft FTDI chip set cable.  

Any Windows 7 gurus who can help me?  

Thanks



John, W1QS

 
 


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Re: [Elecraft] FTDI to serial adapter for K3 with Windows 7 change. Why?

[Ken G Kopp]

John,

My Windows 7 Pro has always operated this way.  Dunno if it's evidence of a
"problem" or not.  The "fix" ... for me ... is to first push TX disable on
the K3 when turning the computer on.

73

Ken - K0PP
On Nov 12, 2015 10:16 AM, "John Lawrence via Elecraft" <
elecraft@mailman.qth.net> wrote:

>
>  I have recently had to reform my C drive and reload Windows 7 Pro
>
> After doing the process of reinstalling the K3 utilities off the Elecraft
> site
> it has given me an outcome not meeting the prior results.  It down loaded
> fine
> but now I get PTT pulses on boot or sleep turn on.
>
>
>  Never before with the same OS did the same DELL give me this.  Exactly, I
> get a series
> of PTT key up pulses in a series of, " - - -   - -   - - " each dash
> representing the short PTT keyup
> pulses on the K3 and it's always the seme series of PTT key ups.
>  Something has changed but it isn't the FTDI driver. The command is coming
> from the Win 7 OS generating it with the FTDI driver.  Is there something
> in the BIOS that has changed?  This is the Elecraft FTDI chip set cable.
>
> Any Windows 7 gurus who can help me?
>
> Thanks
>
>
>
> John, W1QS
>
>
>
>
>
> __
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Re: [Elecraft] KPA500 troubles

[W4GRJ]

Eric,

Thank you for your response. I did send a message to Wayne for his review,
so I don't want to cause

double efforts on this..I appreciate the review.

 

Since I do live in a active lightning area, I have a well grounded station
and polyphaser surge protection.

Coax is grounded when not in use.. possible but I don't think it was
lightning related.

In 15 years at this QTH I have never had a lightning issue with my station
or anything in the house.

 

Thanks Again,

Jack

 

From: Eric Swartz - WA6HHQ, Elecraft [via Elecraft]
[mailto:ml-node+s365791n761027...@n2.nabble.com] 
Sent: Thursday, November 12, 2015 10:46 AM
To: W4GRJ
Subject: Re: KPA500 troubles

 

Hi Jack, 

I apologize for any consternation this has caused you. 

Since multiple components burned through the LPF  PC board, that is major
damage and would require replacement of the whole LPF board, which is a
major cost component of the amp. (Taking out this board and replacing it
requires disassembly and reassembly of a major portion off the amp.)  The
repair cost also includes the tech time to diagnose, disassemble, repair,
reassemble, retest and do full production TX burn-in of the amp on all
bands. 

Component failure like this can occur in any manufacturer's radio or
amplifier for many reasons, such as power line surges, nearby lightning
strikes, operating with excessive SWR, transmitting into a wrong antenna
etc. You do not need to be operating on a particular band, or even have the
amp or radio on to incur lightning damage. This can also cause partial
damage to components that then shows up as a failure later after additional
operation. 

As a side note, every year during lightning season we see a significant
increase in all sorts of 'interesting' repairs sent in to us on all of our
products. Many times the user is not even aware that a strike occurred
somewhere nearby while they still had their antennas connected. 

I'll review your repair report with our techs to make sure we didn't over
charge for anything. I'll also check to see if they mis-identified which
band the destroyed LPF components were from. 

73, 
Eric 
elecraft.com 
_..._ 


> -Original Message- 
> From: Elecraft 
> [mailto:[hidden email]] On 
> Behalf Of w4grj 
> Sent: Thursday, November 12, 2015 7:14 AM 
> To: [hidden email] 
> Subject: Re: [Elecraft] KPA500 troubles 
> 
> I need to correct the information on the repair 
> cost 
> 
> It was $615 with shipping not $650 as I previously 
> reported. 
> 
> Jack W4GRJ 
> 
>> On Wed,11/11/2015 12:10 PM, W4GRJ wrote: 
>> Got the KPA500 back from Elecraft. 
>> Problem found: L22 and other components in the 
> 60M low pass filter 
>> circuit burnt through the LPF PCB. 
> 

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Re: [Elecraft] feature request PX3 keyboard VFO control

[Paul Saffren]

HI George,

I made a mistake on the band switching.  The "BN" command takes a 2 
digit argument.  For example to change to 160 meters, use BN00;
I have my keypad now set up for 160 through 10 meters and it works 
really good.  At this rate I may need to allocate more room for more
macros/text messages on the PX3.   Glad  you are taking advantage and 
enjoying it.


Kind regards,

Paul



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[Elecraft] KPA500 Protection on 60 Meters

[Roy Morris]

With my KPA500 in OPERATE (asterisk) mode on the 60 meter band, I have
turned down the K3/100 POWER on all five channels to keep my power level
from exceeding the low pass filter level.  Hopefully, this will take care of
the matter if I forget to take the amp out of the circuit.  Roy  W4WFB

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