Hi Jerry, you might consider putting one of these in the shack.  Very well made and seems to help at my QTH.  

https://www.ocicom.com/index.php/amateur-radio/products/2-meter-bandpass-filter

73,
Mark N8MH 

On Fri, Jun 24, 2022 at 10:13 AM BeetleJerald Oliver <revjwo@att.net> wrote:
I am still having desense on my UHF downlink on the IC-9700.  Antenna is a 30 element M2 CP Yagi with SSB Preamp at the antenna.

I have yet to check connections at the end for any problems, but will do so.

Connectos are all Type N on system.

Is there any better option than the Comet CF-416C diplexer to help or even eliminate the 2M uplink from desensing the 70CM downlink ?

I would have to weatherize it to ensure longlife, etc.     Perhaps there is a sealed inline filter that would handle the capability of the 

radio which is 75 watts out on 70CM.  Anyone with info pleae share with me.

Tnx

Jerry    KJ4EU



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