Thailand JAISAT-1 Satellite to Launch July 5, 2019

Information from ANS-181:

The Radio Amateur Society of Thailand (RAST) has announced that
JAISAT-1 is scheduled for launch on July 5, 2019 by a Soyuz 2.1
rocket at 05:41 UTC. JAISAT-1 will ride with a Meteor-M N2-2
meteorology satellite along with a total of 34 satellites from
twelve countries.

The telemetry downlink is 435.325 MHz and the telemetry format is
4k8 GMSK Mobitex (CMX990 Mobitex format). The telemetry format is
detailed at https://tinyurl.com/ANS-181-JAISAT-telfmt.

Signals in the same format can be found with the D-STAR ONE Sparrow
and D-STAR ONE iSAT satellites. Information on these satellites and
the decoding software download can be found at

  • http://dk3wn.info/blog/satelliten/d-star-one/
  • https://www.youtube.com/watch?v=UAjPOJDbHdA
  • https://www.youtube.com/watch?v=Rm_NS3Prz9U
  • http://uz7.ho.ua/packetradio.htm
  • http://www.dk3wn.info/files/dstar_one.zip

All Amateur Radio operators receiving signals from JAISAT-1 are asked
to email data to jaisatonetele@gmail.com. The Radio Amateur Society
of Thailand will have a SWL card to confirm reception.

Also of interest are videos of the satellites’ installation to the
Soyuz fairing at

  • https://www.roscosmos.ru/26486/
  • https://www.roscosmos.ru/26491/
  • https://www.youtube.com/watch?v=klXEGKKTlFs) and
  • https://www.youtube.com/watch?v=xcUhJMU4mHA&t=10s

[ANS thanks Tanan Rangseeprom, HS1JAN, JAISAT-1 Project Manager for
the above information.]