[Elecraft] RTTY Dual Passband Filter and RFI?

[J. Edward (Ed) Muns]

I'm running two K3s, each into its own Alpha 86 at 1.5 KW.  Same
configuration at home with 87As.  I've never encountered what you describe.

Ed - P49X (W0YK)

> -----Original Message-----
> From: elecraft-bounces at mailman.qth.net [mailto:elecraft-
> bounces at mailman.qth.net] On Behalf Of Ron W3ZV
> Sent: Friday, February 13, 2009 6:41 PM
> To: Elecraft
> Subject: [Elecraft] RTTY Dual Passband Filter and RFI?
> 
> I am working the CQ WPX contest. K3 & FL-7000 amp at about 300W. When I
> engage the dual passband filter, I hear a rough buzz, which sounds like
> RFI, on my monitored transmit signal. When I disengage the DPF, my
> signal sounds clean in the monitor. I continue to make contacts, but a
> contest is not a great place for critical signal reports. Any clues?
> 
> Ron W3ZV
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