[amsat-bb] PSAT2 downlink for DTMF grids and messages

[PY5LF]

Hi
Here is a short video with instructions to IC9700, FTM400, FTM100,  DMTF.
https://youtu.be/0DQTbjiscP4
I hope it helps .
73

Em seg, 12 de ago de 2019 às 22:56, Robert Bruninga via AMSAT-BB <
amsat-bb at amsat.org> escreveu:

> Thanks to Robert, KE6BLR, we can now capture the DTMF Grids and Messages
> data coming down from PSAT2.  I have added the DTMF page to the list of
> links for PSAT2:
>
> http://aprs.org/sats.html
>
> Summary:  You encode your Grid and callsign into a 16 digit DTMF memory on
> your radio.  Using narrow band FM, send it on 145.98 withi doppler
> compensation or at the middle of a pass.
>
> PSAT2 assigns a CQ number and acknowledges it by voice and then sends an
> APRS packet that contains the grid.  Robert's web page will capture that
> packet.
>
> A second station can send their DTMF grid and get the same process but with
> a new CQ number.
>
> Now, either station can send a DTMF QSL Message for the other guy's CQ
> number which will also be spoken and recorded on the APRS downlink.
>
> Details on the psat2 page on the above web page.
> PSAT2 is entering a phase of Apogee in the northern hemisphere for a week
> or so and so is more workable in the USA and southern Europe.
>
> Bob, WB4APR
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*PY5LF *
*Luciano Fabricio*
*www.falautomation.com.br <http://www.falautomation.com.br>*