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ZL3AI > APRDIG 18.05.03 09:15l 250 Lines 9565 Bytes #999 (0) @ WW
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To : APRDIG@WW
TAPR APRS Special Interest Group Digest for Wednesday, May 14, 2003.
1. Broadband over power lines (Was: RE: The end of HF)
2. Skywarn Wxsvr & Dayton
3. Re: d700 not decoding?
4. Re: The end of HF
5. Re: WinAPRS Help
6. HF interference from BPL or PLC
7. NOSaprs users - please try and upgrade to 15b4 if you can ...
8. HF mobile in Cincinatti?
9. HF mobile in Cincinatti?
10. HF interference from BPL or PLC
11. APRS Install on BMW Motorcycle
12. Re: HF interference from BPL or PLC
13. Re: APRS Install on BMW Motorcycle
14. Re: HF interference from BPL or PLC
15. Re: FIPS locator
16. FCC Callbook Database Download
17. Kenwood D700A Question
18. STATIONS.TXT & WX warnings question
19. Re: STATIONS.TXT & WX warnings question
20. tm733
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Subject: Broadband over power lines (Was: RE: The end of HF)
From: "Cap Pennell" <cap@cruzio.com>
Date: Tue, 13 May 2003 22:54:27 -0700
X-Message-Number: 1
A couple of spots to listen.
73, Cap KE6AFE
Amperion news release from http://www.amperion.com/ :
ANDOVER, MA, May 1, 2003 - Amperion, Inc., the premier medium-voltage
Powerline technology company, today announced that Progress Energy is
testing Amperion Connect products serving homes and businesses in Raleigh,
North Carolina. Customers easily and inexpensively gain broadband access
using PowerWiFi, a blend of Powerline and 802.11 wireless technology.
<snip>
Amperion previously disclosed technology deployments in Allentown, PA with
PPL and Dublin, OH with American Electric Power (AEP). Additional
deployments are in process and will be announced in the near future.
Current Technologies, a company based in Germantown, Md., working with the
Potomac Electric Power Co., is providing broadband over power lines to about
70 homes in Maryland. Another trial offers the service with about 100 users
in Hyde Park, in suburban Cincinnati.
From http://www.currenttechnologies.com/ : What is PLC?
Powerline communications (PLC) technology uses the existing local electric
wires to provide digital communication services such as high-speed Internet
access, voice over IP (VoIP), video, and in-home networking.
From an article by Paul Davidson, in USA TODAY, 4/13/03:
"I think it's ready to explode," says Alan Shark, head of the Powerline
Communications Association, which represents utilities interested in
broadband. "We're talking about millions being served in the next 24
months."
At least a dozen utilities are conducting field trials, including, among the
USA's 15 largest, the Southern Company of Atlanta, American Electric Power
of Columbus, Ohio, and New York-based Con Edison. At least two utilities -
Pennsylvania Power & Light and Ameren of St. Louis - are expected to launch
service in a few neighborhoods this year. Some utilities in Europe and Asia
already offer limited service.
<snip>
But even skeptics say this year's planned broadband rollouts could be a
watershed. "If they go well, you'll see a lot of utilities joining the
bandwagon," says Brett Kilbourne, director of regulatory affairs for United
Telecom Council, which represents 850 power companies that also offer
telecommunications services.
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Subject: Skywarn Wxsvr & Dayton
From: dale huguley <kg5qd@wxsvr.net>
Date: Wed, 14 May 2003 12:49:16 +0000
X-Message-Number: 2
Hi All-
At the Dayton Skywarn forum(s) please talk up the use of aprs in Skywarn
applications.
Using wxsvr data on aprs you can:
1. See the Hazardous Weather Outlook parsed packet and tell if there is
any chance of an activation today or tonight. On a D7 , D700 , and most
computer clients the comment will say "Activation Not Expected" or
"Refer to Full Outlook". On xastir and ui-view refering to the full
outlook is a matter of a couple of clicks if there is an internet feed
available.
2. Mesoscale Discussion areas are now being parsed and plotted. These
are areas of concern for the Severe Storms Forecast center, and plot
sometimes 2 to 3 hours before a weather watch box is issued- a very good
"Heads-up". Even on a mobile kenwood one can tell if the area is
anywhere close. Full text works just like the Hazardous Weather Outlook.
3. Tornado and Severe Thunderstorm Watch boxes are plotting in xastir
and soon in ui-view, once again with a center object for mobile
stations to determine distance in a broad sense.
4. Severe thunderstorms and tornadoes are plotted when they develop
along with the "Area of Maximum Concern" which can give you a very good
idea of where the NWS thinks the storm is going.
All of the above have easy graphical methods for a home based (or mobile
internet connected ) station to receive the complete bulletin fingering
wxsvr- great for Skywarn Net Control.
5. The Counties/zones under warnings are shaded until expiration.
73 & have a good time at Dayton de kg5qd Dale
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Subject: Re: d700 not decoding?
From: Bob Bruninga <bruninga@usna.edu>
Date: Wed, 14 May 2003 09:09:02 -0400 (EDT)
X-Message-Number: 3
On Tue, 13 May 2003, Wes Johnston wrote:
>N3MRA-12>GPSMV,KD4BNQ-3,N2EDE-3*,WIDE2-2:$GPRMC,005926,A,3708.1673,N,08024.7
>515,W,0.0,177.4,140503,8.1,W,A*1B
>
>Out in my car with the d700 in aprs mode, it only displays the callsign and
>'??' . I know this is a valid position.... why isn't it being decoded /
>displayed by the kenwood?
Because the person sending it does not have his GPS set to NMEA 0183
version 2 which was the baseline for APRS and the Kenwood design. Under
NMEA 0183 version 3, there is an additional field in the GPRMC string...
Best to tell the sender to set his GPS to NMEA-0183 version 2 if he wants
everyone to see him properly..
Bob
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Subject: Re: The end of HF
From: Alex <kr1st@amsat.org>
Date: Wed, 14 May 2003 09:09:53 -0400
X-Message-Number: 4
Bob Bruninga wrote:
>
>Call to HF!
>
>HF will die with these new 20 MBps Broadband over Power-Line systems!
I think Ed Hare, W1RFI, is on this list, too. But just in case he isn't,
I'm sure he would point you to an excellent resource page he has put
together on this subject:
http://www.arrl.org/tis/info/HTML/plc/
If you need some convincing evidence of what powerline communications
will do to the HF bands, go to the audio and video section of that page.
Some of the videos made in Austria will remind you of the Blair Witch
Project, except these videos are actually scary.
I second Bob's call for a coordinated effort to find the places where
PLC/BPL tests are conducted. Even though there's some limited publicity
on the locations, the industry is doing their best not to reveal the
actual locations. Use the audio samples accessible through links on the
page mention above as a guideline to see if you are suffering PLC
interference.
If you you suffer interference, not only report it on this list, but
also please consider filing a complaint with the FCC. So far the PLC/BPL
is pretending that there is no interference. They can back that claim up
because of the lack of actual cases of interference. By filing a
complaint you make the interference experience an undeniable fact and it
forces the FCC to deal with it appropriately.
No matter how you feel about the ARRL (and believe me, I have my
differences with them), they are the only organization who have the
resources and the contacts with the industry and legislative bodies to
deal with this issue in an appropriate manner. Please consider to become
a member if you're not already a member.
73,
--Alex KR1ST
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Subject: Re: WinAPRS Help
From: Keith Sproul <ksproul@rci.rutgers.edu>
Date: Wed, 14 May 2003 09:19:28 -0400
X-Message-Number: 5
We actually considered this, using the files ZIPPED, but the amount
of memory needed is high enough as is, this would take bigger buffers
to unzip the entire files.
However, this is something that we plan on looking into in the future.
Keith
>---<snip>---
>Nicer if we could keep the TIGER files
>zipped, unzip them when used, rezip when finished with them.
--
Keith Sproul ksproul@rci.rutgers.edu WU2Z
Student Housing Network Coordinator 732 445-3695 W
Rutgers University Computing Services
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Subject: HF interference from BPL or PLC
From: Bob Bruninga <bruninga@usna.edu>
Date: Wed, 14 May 2003 09:40:29 -0400 (EDT)
X-Message-Number: 6
On Tue, 13 May 2003, Cap Pennell seeded the list of
Broadband-on-Power-Lines experiments:
Atlanta, GA - (soon) Southern Company
St Louis, MO - (soon) Ameren
Raleigh, NC - Progress Energy
New York, NY - (soon) Con-Edison
Columbus, OH - (soon) American Electric Power (AEP)
Allentown, PA - Amperion
Philly, PA - (soon) Pennsylvania Power and Light
Dublin Oh - American Electric Power (AEP)
Germantown, MD - 70 - Current Technologies, with Potomac Electric Power Co
Hyde Park, Cincinnati - about 100 users
If you live near these, google search your area to find out where and go
drive around and see what you hear.. Here are some other things to search
for...
KR1ST offers the ARRL web page: http://www.arrl.org/tis/info/HTML/plc/
If you find other areas advertised, send me an UPDATE to this list..
de WB4APR, Bob
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