[amsat-bb] Handheld for LEO satellites?

[Andrew Glasbrenner]

The diplexer will likely be more effective as a high pass filter on the UHF receive, but try both configurations.

73, Drew KO4MA

Sent from my iPhone

> On Jul 11, 2015, at 1:22 PM, Steve Kristoff <skristof at etczone.net> wrote:
> 
> I ended up getting two Baofeng UV82R HTs. They work fine, but they have the same problem of the UHF radio desensing when I transmit with the VHF. So, not full duplex.
> I did just buy the Arrow Duplexer to go with my Arrow Antenna. My plan is to still use two radios and just use the duplexer on the VHF uplink side to see if it kills the third harmonic enough to prevent desensing of the UHF radio.
> I can give a report after I try it.
> If anyone sees a problem in my plan, please speak up soon before I fry something.
> Thank you!
> 
> Steve AI9IN
> 
> ----- Original Message ----- From: "Dennis Griffin" <kd7cac at gmail.com>
> To: "Paul Stoetzer" <n8hm at arrl.net>
> Cc: "amsat-bb bb" <amsat-bb at amsat.org>
> Sent: Saturday, July 11, 2015 12:37 PM
> Subject: Re: [amsat-bb] Handheld for LEO satellites?
> 
> 
>> Do you think that the desense might be mitigated by using an Arrow dual band yagi with duplexer?
>> 
>> TIA & 73 de Dennis KD7CAC
>> Scottsdale, AZ
>> 
>> 
>>> On Jan 21, 2015, at 12:49 PM, Paul Stoetzer <n8hm at arrl.net> wrote:
>>> 
>>> If you transmit on VHF, it will desense on UHF and you won't be able to
>>> hear yourself on SO-50, negating the purpose of being full-duplex.
>>> 
>>> It might be OK for satellites with a UHF uplink and a VHF downlink, but
>>> that remains to be seen. The same thing applies to the Wouxoun KG-UV8D.
>>> 
>>> 73,
>>> 
>>> Paul, N8HM
>>> 
>>> On Wed, Jan 21, 2015 at 2:43 PM, Steve Kristoff <skristof at etczone.com>
>>> wrote:
>>> 
>>>> The Alinco DJ-G7 claims to be full-duplex capable. Anybody have thoughts on
>>>> that radio?
>>>> 
>>>> Steve AI9IN
>>>> skristof at etczone.com
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> 
> _______________________________________________
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