SB SPACE @ ARL $ARLS004
ARLS004 Elementary School's SSTV CubeSat Now Set to Deploy from ISS on May 16

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Space Bulletin 004  ARLS004
> From ARRL Headquarters
Newington, CT  May 12, 2016
To all radio amateurs

SB SPACE ARL ARLS004
ARLS004 Elementary School's SSTV CubeSat Now Set to Deploy from ISS on May 16

After postponements earlier this year, the STMSat-1 CubeSat constructed by
pupils at St Thomas More (STM) Cathedral School in Arlington, Virginia, now is
set to deploy from the International Space Station on Monday, May 16, between
1400 and 1500 UTC. The spacecraft is equipped with a slow-scan TV (SSTV)
payload that will transmit on the 70 centimeter Amateur Radio band (437.800
MHz).

The school won a NASA competition for the launch. The satellite is the first to
 be designed and built by grade schoolers, who have been supported by NASA
technical advisors and local radio amateurs. Transported to the ISS in December
 by an Orbital ATK Cygnus spacecraft, the kit-built satellite first had been
scheduled for release in mid-February, but that event was postponed until early
 March, before being put on hold again.

"The STM Sat-1 mission is to perform Earth observation and engage grade-school
students around the world as remote Mission Operation Centers," the STMSat-1
website explains. The satellite project is part of the school's STEM (Science,
Technology, Engineering, Mathematics) education initiatives. St Thomas More
includes students from pre-kindergarten through grade 8. The project aims to
engage other schools around the world as "Remote Mission Operation Centers"
(http://www.stmsat-1.org/rmoc/).

NASA's Technology Demonstration Office provided the school with a mobile "clean
 room" to ensure that the construction phase met with strict guidelines and
standards for launch and deployment from the ISS. The space agency also
provided the school with an antenna, so the school can receive the SSTV images
and temperature readings the satellite sends back. The students already have
tested their CubeSat by sending it aloft on a tethered balloon.

The SSTV camera onboard STMSat-1 will transmit a Martin-2 image every 30
seconds. It will not transmit a beacon signal, however. The youngsters are
hoping it will send back images of Earth as seen from space. The transmitter
runs 3 W, and there is no onboard data storage capability.

STMSat-1 has an estimated lifetime of at least 9 months.

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