SB SPACE @ ARL $ARLS007
ARLS007 ISS Packet System is Back on VHF

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QST de W1AW
Space Bulletin 007  ARLS007
> From ARRL Headquarters
Newington, CT  April 15, 2017
To all radio amateurs

SB SPACE ARL ARLS007
ARLS007 ISS Packet System is Back on VHF

The Amateur Radio on the International Space Station (ARISS) packet digipeater
system is again operating on VHF - 145.825 MHz. The failure of an Ericsson
handheld VHF transceiver on board the ISS
last fall had caused ARISS to shift packet operation to 70 centimeters. A cargo
resupply mission in February delivered a new Ericsson 2 meter handheld, to
replace the one that had failed, which had been used in the Columbus module for
school group contacts and for Amateur Radio packet.

While the VHF transceiver was offline, ARISS shifted school contacts from NA1SS
to the Kenwood TM-D710 transceiver in the Russian Service Module. NASA ISS Ham
Project Coordinator Kenneth Ransom, N5VHO, said the VHF capability now back in
Columbus can be used in conjunction with passes involving the HamTV digital
amateur television (DATV) system, which operates on 2.4 GHz.

ARISS International Chair Frank Bauer, KA3HDO, said recently that ARISS
continues to make progress on the development of the new interoperable radio
system on the ISS "that we hope to use to replace our aging radio
infrastructure in the Columbus module and the Service module."

Packets digipeated in a valid APRS format via the ISS system and picked up by
an Internet gateway station are documented on the "Amateur Radio Stations heard
via ISS" page at, http://www.ariss.net/ .

NNNN
/EX

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