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RadFxSat (Fox-1B) Launch Delayed; AMSAT Asks for Patience:

from The ARRL Letter on November 9, 2017
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RadFxSat (Fox-1B) Launch Delayed; AMSAT Asks for Patience:

The launch of the Delta II vehicle carrying RadFxSat (Fox-1B) and other payloads has been delayed, due to a faulty battery on the booster, United Launch Alliance (ULA) announced on November 6. The launch now is scheduled for no earlier than Tuesday, November 14. RadFxSat is one of four CubeSats making up the NASA ELaNa XIV mission, riding as secondary payloads aboard the Joint Polar Satellite System (JPSS-1) mission, which will launch from Vandenberg Air Force Base, California.

RadFxSat is a partnership with Vanderbilt University's Institute for Space and Defense Electronics (ISDE and hosts four payloads for the study of radiation effects on commercial off-the-shelf components. It will carry a Fox-1 style FM U/V repeater with an uplink on 435.250 MHz (67.0 Hz CTCSS) and a downlink on 145.960 MHz. Satellite and experiment telemetry will be downlinked via the DUV subaudible telemetry stream, which can be decoded using FoxTelem software.

AMSAT Vice-President Engineering, Jerry Buxton, N0JY, said RadFxSat/Fox-1B will automatically come up in beacon mode, transmitting a beacon and voice ID ("RadFxSat Safe Mode") every 2 minutes, starting about 50 minutes after deployment. He said AMSAT command stations will want to see voltage and current data to determine that the spacecraft is healthy and to conduct various tests before opening it up for general use.

Telemetry should begin about 55 minutes after deployment. "[F]or the next 72-96 hours at least, we look for successful startup, watch the general health and function as the satellite begins to acclimate to space, and perform the on-orbit checkout," Buxton said. Ground stations are invited to continue uploading received telemetry for the life of the satellite.

"You can help AMSAT and everyone waiting to get on the air with RadFxSat tremendously, by capturing RadFxSat telemetry," Buxton said. He called on the satellite community to be "polite and patient" as RadFxSat is commissioned. Read more -- Thanks to AMSAT News Service


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