Re: March 2021 NABRC Monthly Newsletter

Carl Juvrud KP2L

Guess if you have to ask, you don't remember.  No. I'm not into reruns.

On Sat, Mar 6, 2021 at 8:04 PM Rodney Tanner <wm4rt.hamradio@...> wrote:
Didn't we watch this in February?

On Sat, Mar 6, 2021 at 6:27 PM Gregory Godsey <gregory@...> wrote:

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March Meeting

WHEN: March 8, 2021
7:00 PM - Meeting


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Program: From Carl KP2L: This will be a video of the presentation given at Dayton Hamvention by Bob Allphin, K4UEE, and Glen Johnson,W0GJ. The subject is the K1N Navassa Island Dxpedition. This is the real story of how they did it. It is about 30 minutes running time.

Upcoming Events


ARISS, NASA, and ESA Continue to Probe Amateur Radio Problems on ISS

Amateur Radio on the International Space Station (ARISS) International Chair Frank Bauer, KA3HDO, reports that the ARISS team worked closely with NASA and the European Space Agency (ESA) this week to identify what may have caused what ARISS is calling a "radio anomaly" on January 27. The net result has been an inability to use the NA1SS ham station gear in the ISS Columbus module. For the time being, ARISS school and group contacts with crew members have been conducted using the ham station in the ISS Service Module. The radio issues came in the wake of a January 27 spacewalk, during which astronauts installed new cabling to support the commissioning of the Bartolomeo attached-payload capability mounted on the Columbus module. The job involved re-routing the antenna cabling to the ARISS radio system onboard Columbus.

Bauer said NASA, ESA, and ARISS would conduct a set of APRS (automatic packet radio system) tests to determine the operational status of the ARISS radio in Columbus through employment of three different cabling configurations. The tests would use the station's APRS capability on 145.825 MHz, with the crew periodically shutting down the radio and swapping cables. The tests were expected to wrap up by March 3. No results had been reported by March 4.

"We cannot guarantee that these troubleshooting tests will resolve the radio issue," Bauer said.

Bauer said that if the tests are unsuccessful, "a contingency task" has been green-lighted for a March 5 spacewalk (EVA). "This EVA task would return the ARISS cabling to the original configuration prior to the January 27 EVA," he explained, noting that a contingency task will only be performed if time allows.

"If you definitely hear the packet system working or are able to connect through it, let us know the date, time, and grid square of the occurrence," he added.

From the ARRL Letter - March 4, 2021. Used with permission.


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