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KPA500 and/or KAT500 problem?

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Poul Erik Karlshøj (PKA)-2

KPA500 and/or KAT500 problem?

Just had a problem on the KPA+KAT setup while working on 80m last night. It worked without any problems until that moment, so I'm confident something really did change.
I have contacted Elecraft support, but it occurs to me that someone in this forum might have had a similar experience and may know what has gone wrong.

On a D.L. either directly on the KPA or via the KAT I have a high SWR on the K3 (ATU in bypass mode) as soon as the KPA is set OPER.
I need K3 P= 60W to produce 500W into the D.L , but since the K3 SWR is so high I don't know what power is received by the KPA. Before all this I needed 18W to get 500W out on 80m.

With the KPA in STBY the KAT operates normally on both my antennas with K3 at 100W.
While still on the antenna with KAT having the C and L values found above, as soon as I set KPA = OPER - even with K3 power set to 2W - I see a very high SWR on both KPA and KAT, while the KPA indicates no current or output power.

I am confused, but probably one single fault can explain this.
Anyone here knows?

73 de OZ4UN
Poul-Erik

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David Withers

Re: KPA500 and/or KAT500 problem?

Same problem plus terrible audio. Fighting it for days and have given up.

Sent from my Verizon Wireless 4G LTE DROID

"Poul Erik Karlshøj (PKA)" <[hidden email]> wrote:

>Just had a problem on the KPA+KAT setup while working on 80m last night. It worked without any problems until that moment, so I'm confident something really did change.
>I have contacted Elecraft support, but it occurs to me that someone in this forum might have had a similar experience and may know what has gone wrong.
>
>On a D.L. either directly on the KPA or via the KAT I have a high SWR on the K3 (ATU in bypass mode) as soon as the KPA is set OPER.
>I need K3 P= 60W to produce 500W into the D.L , but since the K3 SWR is so high I don't know what power is received by the KPA. Before all this I needed 18W to get 500W out on 80m.
>
>With the KPA in STBY the KAT operates normally on both my antennas with K3 at 100W.
>While still on the antenna with KAT having the C and L values found above, as soon as I set KPA = OPER - even with K3 power set to 2W - I see a very high SWR on both KPA and KAT, while the KPA indicates no current or output power.
>
>I am confused, but probably one single fault can explain this.
>Anyone here knows?
>
>73 de OZ4UN
>Poul-Erik
>
>______________________________________________________________
>Elecraft mailing list
>Home: http://mailman.qth.net/mailman/listinfo/elecraft
>Help: http://mailman.qth.net/mmfaq.htm
>Post: mailto:[hidden email]
>
>This list hosted by: http://www.qsl.net
>Please help support this email list: http://www.qsl.net/donate.html

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Help: http://mailman.qth.net/mmfaq.htm
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Cady, Fred

Re: KPA500 and/or KAT500 problem?

Is the KPA switching to the same band as the K3? It should but is it?

Fred Cady
fcady at ieee dot org

> -----Original Message-----
> From: [hidden email] [mailto:elecraft-
> [hidden email]] On Behalf Of David Withers
> Sent: Friday, December 06, 2013 7:05 AM
> To: Poul Erik Karlshøj (PKA)
> Cc: [hidden email]
> Subject: Re: [Elecraft] KPA500 and/or KAT500 problem?
>
> Same problem plus terrible audio. Fighting it for days and have given
> up.
>
> Sent from my Verizon Wireless 4G LTE DROID
>
> "Poul Erik Karlshøj (PKA)" <[hidden email]> wrote:
>
> >Just had a problem on the KPA+KAT setup while working on 80m last
> night. It worked without any problems until that moment, so I'm
> confident something really did change.
> >I have contacted Elecraft support, but it occurs to me that someone in
> this forum might have had a similar experience and may know what has
> gone wrong.
> >
> >On a D.L. either directly on the KPA or via the KAT I have a high SWR
> on the K3 (ATU in bypass mode) as soon as the KPA is set OPER.
> >I need K3 P= 60W to produce 500W into the D.L , but since the K3 SWR
> is so high I don't know what power is received by the KPA. Before all
> this I needed 18W to get 500W out on 80m.
> >
> >With the KPA in STBY the KAT operates normally on both my antennas
> with K3 at 100W.
> >While still on the antenna with KAT having the C and L values found
> above, as soon as I set KPA = OPER - even with K3 power set to 2W - I
> see a very high SWR on both KPA and KAT, while the KPA indicates no
> current or output power.
> >
> >I am confused, but probably one single fault can explain this.
> >Anyone here knows?
> >
> >73 de OZ4UN
> >Poul-Erik
> >
> >______________________________________________________________
> >Elecraft mailing list
> >Home: http://mailman.qth.net/mailman/listinfo/elecraft
> >Help: http://mailman.qth.net/mmfaq.htm
> >Post: mailto:[hidden email]
> >
> >This list hosted by: http://www.qsl.net
> >Please help support this email list: http://www.qsl.net/donate.html
> ______________________________________________________________
> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:[hidden email]
>
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html

Poul Erik Karlshøj (PKA)-2

Re: KPA500 and/or KAT500 problem?

Yes it does (band switching works both from K3 and KPA)

-----Oprindelig meddelelse-----
Fra: [hidden email] [mailto:[hidden email]] På vegne af Cady, Fred
Sendt: 6. december 2013 16:21
Til: 'David Withers'; Poul Erik Karlshøj (PKA)
Cc: '[hidden email]'
Emne: Re: [Elecraft] KPA500 and/or KAT500 problem?

Is the KPA switching to the same band as the K3? It should but is it?

Fred Cady
fcady at ieee dot org

> "Poul Erik Karlshøj (PKA)" <[hidden email]> wrote:
>
> >Just had a problem on the KPA+KAT setup while working on 80m last
> night. It worked without any problems until that moment, so I'm
> confident something really did change.
> >I have contacted Elecraft support, but it occurs to me that someone
> >in
> this forum might have had a similar experience and may know what has
> gone wrong.
> >
> >On a D.L. either directly on the KPA or via the KAT I have a high SWR
> on the K3 (ATU in bypass mode) as soon as the KPA is set OPER.
> >I need K3 P= 60W to produce 500W into the D.L , but since the K3 SWR
> is so high I don't know what power is received by the KPA. Before all
> this I needed 18W to get 500W out on 80m.
> >
> >With the KPA in STBY the KAT operates normally on both my antennas
> with K3 at 100W.
> >While still on the antenna with KAT having the C and L values found
> above, as soon as I set KPA = OPER - even with K3 power set to 2W - I
> see a very high SWR on both KPA and KAT, while the KPA indicates no
> current or output power.
> >
> >I am confused, but probably one single fault can explain this.
> >Anyone here knows?
> >
> >73 de OZ4UN
> >Poul-Erik

W4GRJ

K3 PTT with Navigator

I changed computers, now trying to get the Navigator sound card interface to work with the K3.
I don't remember settings for PTT DTR and RTS settings, are they checked?
Now I have to find the correct comm. port.

Thanks,
Jack
W4GRJ

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Help: http://mailman.qth.net/mmfaq.htm
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