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ACCORDING TO THE
national membership association for amateur radio, the American Radio
Relay League (ARRL), ham radio volunteers are currently assisting federal,
state and local officials and relief organizations in Texas in their
search for shuttle Columbia debris and the remains of the crew members.
Amateur radio operators must pass rigorous tests to receive a license and
a call sign from the Federal Communications Commission — clearing them to
broadcast radio, TV or data signals on frequencies set aside for their
use. ARRL officials say local efforts
following the Columbia disaster have been a great success.
“Ham radio has proven to be the only reliable
communications options during the recovery effort,” according to Tim
Lewallen (call sign KD5ING) of the Nacogdoches, Texas, Amateur Radio Club.
“The communications systems used by other
federal and state organizations cannot penetrate ‘The Pine Curtain’ as we
know it in East Texas,” he said. “The dense forests and hilly terrain just
swallow up most radio traffic, and even county sheriff and county fire
department radio systems have serious blind spots.” According to Lewallen,
federal authorities have requested that every survey team have at least
one amateur radio operator along to help keep the recovery efforts
coordinated and organized. |
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In South Texas, there are requests for hams that are still needed to
assist in the search effort — with an urgent need for operators in the San
Augustine County, where substantial debris remains to be recovered. Local
coordinators say two-to-four dozen operators are needed each day and they
expect the need to continue for the next three weeks.
Hams are using local amateur radio clubs’ repeaters — which
are receiver-transmitter combinations, usually installed on top of tall
buildings that take low power radio signals and re-broadcast them at
elevated power to a large area. Dallas County volunteers are being told
they should use high-powered radios in the recovery effort because
handheld “walkie-talkies” don’t have the necessary range. It’s also
recommended they bring four-wheel drive vehicles, portable GPS (global
positioning systems) and even laptop computers with mapping programs if
they’re not familiar with the area. Area
residents with VHF scanners can listen in on the recovery effort. In the
Dallas area, activities can be monitored on 146.96 MHz; in Nagodoches on
147.32 MHz, in St. Augustine on 146.74 MHz, and on a portable repeater in
East Texas on 146.66 MHz. Yesterday, a Dallas resident who’s been
listening told MSNBC.com there were several reports of “hazardous
materials” being found and that “demolition experts” were called in to
assist in the recovery. Public service
communication has been a traditional responsibility of the Amateur Radio
Service since 1913. Today, disaster work is highly organized and
implemented principally through a number of different ARRL groups
including the Radio Amateur Civil Emergency Service, or R.A.C.E.S. — an
organization of ham radio operators who volunteer their time and equipment
to provide supplemental communication to local, county or state agencies
during times of crisis or disaster. |
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Three of
the Columbia astronauts were licensed amateur radio operators: Mission
Specialists Kalpana Chawla, KD5ESI; David Brown, KC5ZTC; Laurel Clark,
KC5ZSU. They aren’t alone — many people associated with the space program
have been active in amateur radio, including businessmen Dennis Tito,
KG6FZX, and the three astronauts still circling the earth in the
International Space Station — Commander Ken Bowersox, KD5JBP, Don Pettit,
KD5MDT and Nikolai Budarin, RV3FB. Even astronaut hopeful Lance Bass of ‘N
Sync is a ham — KG4UYY. The three current
space station astronauts are manning NA1SS. the first permanent amateur
radio station in space. Use of NA1SS has been temporarily curtailed. Last
week, the astronauts were scheduled to make radio contact with high school
students in Germany. The session was postponed. But, according to the ISS
governing group, space station contacts are expected to resume later this
month.
Gary Krakow is licensed ham radio operator W2GSK.
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