[TenTec] Orion freezes due to RFI??

Dick Green dick.green at valley.net
Mon Dec 15 12:03:47 EST 2003


Craig,

I believe RFI succeptibility is a distinct possibility. I've seen some
pretty strange behavior in both a multi-multi and SO2R contest configuration
(two different QTHs.) In my system, I put a torroid choke and snap choke on
the Orion's 12VDC power line, and snap chokes on the band data and RS-232
lines. I still saw some strange states that I believe were RFI- generated. I
think it would help greatly if Ten Tec would investigate these problems and
make some recommendations about shielding and RFI suppression.

That said, I also believe some of the anomolies are caused by the sweep
code. I keep mine turned off all the time.

73, Dick WC1M

> -----Original Message-----
> From: K4IA at aol.com [mailto:K4IA at aol.com] 
> Sent: Monday, December 15, 2003 8:31 AM
> To: tentec at contesting.com
> Subject: [TenTec] Orion freezes due to RFI??
> 
> 
> Reading the posts about Orion freezes, burps and anomalies, 
> with the usual 
> fix being a power reset, made me wonder...
> 
> That is how my keyer reacts to RFI.  
> 
> Is it possible these issues are not software related at all 
> but RF getting 
> into the brains of the radio?  Is the appropriate treatment 
> better grounding and 
> RFI management in the shack?  Perhaps the Orion needs better 
> shielding of the 
> critical areas and RF chokes on everything in and out?
> 
> Still waiting on delivery of my Orion...
> 
> Radio k4ia
> Craig "Buck"
> Fredericksburg, Virginia USA
> 



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