Hi Jack/All,

I take this opportunity to provide some high level feedback about MIR-SAT 1 (MO-112):

The full PACSAT BBS (as F3) has not been implemented MO-112 due to some constraints, thus no BBS service will be available. The PacSat Ground Station software from Chris (G0KLA/AC2CZ) works fine for telemetry and Pacsat Broadcast, but has not digipeater capability.

I take this opportunity to thanks Chris again for his hard work which has enabled many schools/students in 3B8 to receive the telemetry of MO-112 and get some satellite experience as the main goal of the mission is STEM. Without him we would not have achieve this important objective.

I confirm that the Digipeater is working fine and many around the world gave me positive feedback with proof of successful 2-way QSO’s. Please also be aware that availability of the Digipeater is only guaranteed during week-ends but on a “best effort” basis during week days, the operational team are making their best to keep it alive 24/7.

To use the digipeater you need to use an APRS transceiver, if using computer and TNC please use UZ7HO HS_soundmodem and UISS (from ON6MU).

The digipeater call sign is 3B8MIR-1 to be inserted in your APRS transceiver or in via in UISS, speed is 9600 bauds. Uplink frequency: 145.9875 MHz and downlink is 436.925 Mhz.

The operational team is trying to make the Broadcast mode available to HAM’s asap in spite this was not planned initially, hopefully it should work well with Chris PacSat Ground Station software, so that HAM’s worried be able to download some camera images (Thumbnails only). It would be great and looking for that, will inform when ready.

I also wish to mention that MO-112 is decaying and will be probably available until end June 2022 (re-entry burn), hopefully depending on solar activity we may obtain a few more weeks.

I hope this mail replies to all questions I received from members of the BB in case I forgot something please do not hesitate to shout.


Jean Marc (3B8DU)

On Mar 29, 2022, at 6:19 PM, Jack Blake <[email protected]> wrote:

I haven’t had any luck with MO-112. Are you using the PSAT ground station software? I have had good luck with FS3. That product sounds interesting? 

On Tue, Mar 29, 2022 at 12:59 AM Jean Marc Momple <[email protected]> wrote:
Good Day to all,

Thanks for the feedback.

Yes it seems that there is no 1200baud active these days, I tried many (including the Bird series) without success.

The reason I was asking was that I had some doubt about my setup as I just changed from the Signalink TNC (red transformer) with which I had about 50% success at 9k6 on the uplink to a MicroHAM DXP which is really a nice gear  with 100% success now. E.g. yesterday I made about 30 digipeats in one MO-112 pass with max 2 ele. 28 deg., basically 100% success horizon to Horizon.

As regards F3, it is sleeping these days per from the last message I downloaded from Mark (N8MH) he was going to let it rest in an attempt to reduce the frequent shutdown which was recurring lately.

I will continue to try the other birds.


Jean Marc (3B8DU)

On Mar 29, 2022, at 2:38 AM, alex weimer <[email protected]> wrote:

Jean Marc.. as per your request on the amsat-bb  right now there are no active digipeaters on 1200 baud  since the ISS  cross band repeater is working they have the digipeater shut down. The only other Digipeater is NO-44 which is up and down so you have to watch the satellite status page.  The  ISS has a 9600 baud beacon on the cross band repeater downlink  but no didgipeater.

the only other active digipeater is Falconsat-3 which is 9600 baud.

Have a great week  73  JACK  KC7MG


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