ARLA/CLUSTER: SSTV via nanosat Sprout

[João Costa > CT1FBF]

SPROUT Slow Scan TV and Digitalker active

Slow Scan TV (SSTV) images in Scottie 1 format have been successfully
received from the amateur radio satellite SPROUT on 437.600 MHz FM (+/- 9
kHz Doppler shift). The Digitalker has also been active

SPROUT, a 20 x 20 x 22 cm amateur radio nano-satellite with a mass of 7.1
kg, launched successfully with the L-band (1236.5 MHz/1257.5 MHz/1278.5
MHz) Synthetic Aperture Radar (SAR) satellite ALOS-2 on May 24, 2014 at
0305 UT. SPROUT is now in a 654 km, 97.9 degree inclination Sun Synchronous
Orbit (SSO).

SPROUT (Space Research On Unique Technology) was built by students from
Nihon University and its amateur radio objectives are:

- A FM Digitalker will enable the satellite to speak to amateurs around the
world.

- The Voice Message Box will record transmissions from radio amateurs and
play them back.

- Pre-loaded images from the Message Gallery can be transmitted using Slow
Scan TV (SSTV).

- Pictures of the Earth can be transmitted by SSTV and radio amateurs can
receive it using free software such as MMSSTV. As part of the Earth mapping
project the team ask radio amateurs to contribute pictures they have
received from the satellite for display on the SPROUT website.

- The satellite also has a packet radio Digipeater and Text Message Box
function.

Callsign: JQ1ZJQ
Mode: 1200bps AFSK, 9600bps GMSK
CW downlink 437.525 MHz
FM packet downlink 437.525 MHz
Digipeater uplink 437.600 MHz
Digitalker downlink 437.600 MHz
SSTV downlink 437.600 MHz

SPROUT English website
http://sat.aero.cst.nihon-u.ac.jp/sprout-e/

Free Slow Scan TV (SSTV) software MMSSTV
http://hamsoft.ca/pages/mmsstv.php

Further information at
http://amsat-uk.org/2014/05/31/sprout-sstv-digitalker-active/
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