[aprssig] AT-Golden Packet 9600 works!

Robert Bruninga bruninga at usna.edu
Tue Jul 19 13:13:30 CDT 2016


9600 baud worked as well as 1200.  North Carolina to NY in 5 hops.



Despite the hornet stings, blownout tire, abandoned vehicle, forgotten
date, blown radio, hot weather, and old Age, the Annual Appalachian Trail
Golden Packet Event was mostly a success and it was the first time we
switched to 9600 baud and found performance unaffected by the data speed.
Intermod and interference on mountain tops remains a problem at some sites,
but 9600 baud works!



There were some broken links that limited the longest link to be from North
Carolina to Masachusetts, with small links at the end, but the focus this
year was on the switch to 9600 baud. After the switch the 9600 baud data
was connected from North Carolina to PA and NY to Vermont with solid links.
More detail will follow as reports are filed. Another new data point came
from Slide Hill where an alternate path from PA to Connecticut was found to
work as well as Sams Point. LOTS of details will be filled in by folloup
reports on the http://aprs.org/at-golden-packet.html web page.



Again, 9600 baud has little advantage to normal APRS  single packet
operation and mobile operation, but this test was focused on testing the
links for a potential level-4 network.



Bob, Wb4APR
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