[amsat-bb] Re: SO-67 questions

Ib Christoffersen oz1my at privat.dk
Mon Mar 28 12:48:30 PDT 2011

Hi Dave,
I think you got the answers from the other respondents - but I would like to
add a few remarks:

1. The most important in my humble opinion - do not use the CTCSS tone.
In my experience it breaks through on the downlink.
That does not sound very good.

2. Use normal FM - not FM narrow - but adjust the mike gain so that 
your downlink audio sounds good.

3. Do not use high power (EIRP). It can give "funny" effects now and then.

4. I use 435.340 MHz for the downlink - but nominal frequency may be OK for

Enjoy the 2 weeks of SO-67 active over the Americas. It has a LARGE downlink
signal :-)

73 OZ1MY/Ib

-----Oprindelig meddelelse-----
Fra: amsat-bb-bounces at amsat.org [mailto:amsat-bb-bounces at amsat.org] På vegne
af Dave Straube
Sendt: 28. marts 2011 18:53
Til: AMSAT-BB at amsat.org
Emne: [amsat-bb] SO-67 questions

Is SO-67 operating on the published frequencies (145.870/435.345) or 
does one of up/down need an adjustment?

What is the meaning of "Use Narrow FM on the uplink" on the AMSAT detail 
page for SO-67?  Not sure if I know of any such configuration on the 
Yaesu FT-847.

Thanks - Dave

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