*Posted:* Dec. 19 2007,03:43 [image:
QUOTE]http://www.qrz.com/ib-bin/ikonboard.cgi?s=82fcbdcfd04ba4d2b2992c4420a7fb27;act=Post;CODE=06;f=3;t=178102;p=1172332
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*MP3's of Amateur Radio Data Modes*
The *British Amateur Radio Teledata Group (BARTG)* has made available
Currently there are 25 MP3's on the BARTG website and they include ALE,
DominoEX, Olivia and MT63.
The DRM sound is messed-up.
They got the feldhell-type text messages instead of a drm signal.
MP3 Recordings of Amateur Radio Data Modes
The British Amateur Radio Teledata Group (BARTG) has made available MP3s of the
sounds of various Digital Modes.
With the proliferation of different Amateur Radio digital modes in recent
years, it can be difficult for the newcomer to identify what
I'm interested in hearing from folks who have hands on experience and
who have evaluated both Winlink Email and D-Star email for EmComm. I've
implemented a small 'discovery' Winlink Station for Emcomm email which
has worked 100% but I want to know more about advantages and
disadvantages of
Quite a few emergency planners are counting on the internet staying
operational except in the immediate disaster area. As an example, our
ARRL Section leader wants members to move all digital to Winlink 2000
and is focusing most resources to developing an interlinked repeater
system for voice
A perspective I have mentioned before focuses on the situation when a
communications emergency occurs. This is when normal means of
communications are incapable of handling the traffic load.
This perspective focuses not on whether infrastructure fails but whether it
can sustain a load. There are
I dont think that anyone believes that you can completely kill off the Internet
in its entirity; however, certainly certain sections/rather large geographical
areas could loose connectivity for several hours even for perhaps a day.
The question is what do amateur radio operators do during that
Rud Merriam wrote:
[Stuff Deleted]
I also think more use of VHF for covering NVIS distances is possible. A
nearby digi can connect at times to a Winlink Telpac node in Austin. That is
a distance of 130 or more miles. Since local use of NVIS would be to reach
the state EOC in Austin it is a
Those are good and insightful questions. I would not depend on the
Internet working. While certain data centers are hardened the average
user will not have access to those benefits. We learned in the last NYC
black out that the telephone company is no longer maintaining generators
and they
--- In digitalradio@yahoogroups.com, Walt DuBose [EMAIL PROTECTED] wrote:
I dont think that anyone believes that you can completely kill off
the Internet
in its entirity; however, certainly certain sections/rather large
geographical
areas could loose connectivity for several hours even for
I tend toward having solutions to the more extreme situations, but I am
probably more of an exception. With our summer flood disaster, our
immediate area did not have a communications emergency, but it could
have happened. Across the Mississippi River in SE MN, they did have
worse conditions.
Ric,
You have discovered the lost band...6M. Well for that matter 10M and 6M FM.
Going back to my LMR (at the time just commercial 2-way radio) dispatch days,
motorola had a formula that said two stations running 30 watts at 30 ft could
operate 30 miles. 15 miles to a mobile and that was in
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