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ZL3AI > APRDIG 15.07.03 11:03l 267 Lines 8175 Bytes #999 (0) @ WW
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Subj: TAPR Digest, Jul 12, 2/2
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From: ZL3AI@ZL3VML.#80.NZL.OC
To : APRDIG@WW
Subject: radar
From: Robbie <mwrobertson@comcast.net>
Date: Sat, 12 Jul 2003 10:50:27 -0500
X-Message-Number: 16
It is as some have suggested, and it comes and goes here now..
Thanks to all that responded.
Robbie, wa9inf
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Subject: RE: Radar images
From: "B. Hildebrand" <bhildebrand@earthlink.net>
Date: Sat, 12 Jul 2003 08:56:19 -0700
X-Message-Number: 17
Yes, the images are working fine now.
Brent KH2Z
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Subject: RE: Radar images
From: "B. Hildebrand" <bhildebrand@earthlink.net>
Date: Sat, 12 Jul 2003 09:33:43 -0700
X-Message-Number: 18
Another observation: Green Bay and Marquette are now not accessible, but
Grand Rapids and Detroit are.
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Subject: RE: Radar images
From: "Gerry Creager (N5JXS)" <gerry.creager@tamu.edu>
Date: Sat, 12 Jul 2003 11:51:17 -0500
X-Message-Number: 19
The images are created using shell scripts on (usually) Linux, using a
package called GemPak. The data are derived from Unidata's Local Data
Manager, although each Regional Headquarters for NWS aggregates its own
regio's radar and ships it on.
Currently, University of Oklahoma is aggregating 62 radar sites and
making available more detailed data than the "common" images. The Level
II data program has been adequately tested, and is proceeding toward
production. Starting around August, Level II data from all 161 US radar
sites will be available to the research, government and commercial
meteorological community via some means.
I'm involved in some of the networking design and implementation of
this, and I antifipate helping with algorithm development and data
distribution to the private sector. I suspect there will be some
products made available from my systems.
The timeframe is indeterminate; the clock is ticking.
73, gerry n5jxs
--
Gerry Creager -- gerry.creager@tamu.edu
Network Engineering -- AATLT, Texas A&M University
Office: 979.458.4020 FAX: 979.847.8578
Cell: 979.229.5301 Pager: 979.228.0173
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Subject: Re: APRS Maths Question
From: "Charles H. Rahe, II" <crahe@infionline.net>
Date: Sat, 12 Jul 2003 13:00:18 -0400
X-Message-Number: 20
I'd think a great circle calculator for rf propagation should provide a
pretty close answer for the distance. Time of travel is then simply
distance/speed.
Charlie
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Subject: Re: New EARTHMATE USB with DB9 Serial Cable
From: "Larry Putman" <wb3anq@comcast.net>
Date: Sat, 12 Jul 2003 13:46:45
X-Message-Number: 21
Sam,
I have had the exact same experence as you have had with using the
Earthmate with both the D7 and The D700.
Did you ever find a way to make it work?
73
Larry WB3ANQ
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Subject: WINAPRS Registration Turn Around Time?
From: "Eric Barger" <eric@installuniversity.com>
Date: Sat, 12 Jul 2003 15:27:29 -0400
X-Message-Number: 22
I ups'd my registration to Mark Sproul and it was delivered on June 25.
Can anyone tell me what the usual turn around time is and if it comes by
email or snail mail? I have sent him 2 emails and have heard nothing
back from him on this. APRS is kinda aggravating entering the data in
everytime I boot up after a storm, or power outage.
Thanks,
Eric
KG4RJZR
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Subject: APRS Maths Question (thank you)
From: "Andrew VK4TEC" <vk4tec@hotmail.com>
Date: Sun, 13 Jul 2003 06:05:41 -0700
X-Message-Number: 23
Thank you so much for all your kind emails.
I am really appreciating every one.
What I am doing is bitting the bullet and getting a PIC to do what a normal
GPS does.
My distances are never greater than 100 km's.
I am working on a brick, GPS, PIC, LCD, etc
Thanks once again.
Andrew VK4TEC
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Subject: New Linear Transponder HELP needed
From: "Andrew VK4TEC" <vk4tec@hotmail.com>
Date: Sun, 13 Jul 2003 06:10:55 -0700
X-Message-Number: 24
Bob your links don't work
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Subject: New Linear Transponder HELP needed (+1)
From: Bob Bruninga <bruninga@usna.edu>
Date: Sat, 12 Jul 2003 17:24:18 -0400 (EDT)
X-Message-Number: 25
One followup:
IN looking at my CUBESAT WEB pages, remember that they are written to
APPEAL to the DOD sponsors. SO they focus entirely on the DOD
perspective. (remeber, they pay the bills).
But between the lines, realize that these are educational demo satellites,
and that the only people that will use them are HAMS like you and me.
Remember that all of MARS is composed of volunteer HAMS too. My objective
is to put up these birds and to get the largest numbers of people to use
them and beenfit from them. There is no other agenda.
So look through your HAM colored glasses when you read them...
(and although they say a PSK linear transponder, I now would prefer to
make them linear up and down and BROADBAND (at least 10 KHz) as well.
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Subject: Re: New Linear Transponder HELP needed
From: Robbie <mwrobertson@comcast.net>
Date: Sat, 12 Jul 2003 18:07:49 -0500
X-Message-Number: 26
They work for me Andy. I just tested by clicking, and did not browse
each site..
Robbie, wa9inf
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Subject: Re: New Linear Transponder HELP needed (+1)
From: "Andrew VK4TEC" <vk4tec@hotmail.com>
Date: Sun, 13 Jul 2003 09:38:02 -0700
X-Message-Number: 27
Do you think that PSK will play a big role with APRS in the future ?
Even a PSK satellite beacon would be great.
----------------------------------------------------------------------
Subject: Re: New Linear Transponder HELP needed
From: "Andrew VK4TEC" <vk4tec@hotmail.com>
Date: Sun, 13 Jul 2003 09:46:45 -0700
X-Message-Number: 28
Sorry, my end problem, DNS was down,
Thanks for your patience. I added another couple of DNS's from another ISP
and now it works
Andrew VK4TEC
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Subject: RE: Radar images
From: Neil Johnson <njohnsn@njohnsn.com>
Date: Sat, 12 Jul 2003 19:16:44 -0500
X-Message-Number: 29
Don't forget that during times of severe weather a Weather office may change
the radar from horizontal sweep mode (sweeping in a circle) to a vertical
sweep mode (1 fixed angle and but up and down) to look at a cross section of
storm formation. If there are a lot of severe storms in the area, regular
data may not be available if they are examining a lot of storms. I found this
out touring a weather office, although it was prior to the NEXRAD radars.
--
Neil Johnson
http://www.njohnsn.com
PGP key available on request.
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Subject: PHGR
From: "David Thege" <dthege@conpoint.com>
Date: Sat, 12 Jul 2003 19:41:16
X-Message-Number: 30
Thiswekend I decided to experiemnt with the PHGR code as suggested by Bob
B. I find that on my Kenwoods (D-7 & 700) the power reading is displayed at
2w when use PHGR and the 4 characters plus the one for rate. If I use just
PHG and the 4 character codes it displays right. Has anyone else looked
into this? I have this set up on my base using UI-VEIW 32 V 1.94
Dave N0XBN
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Subject: radar-find
From: Robbie <mwrobertson@comcast.net>
Date: Sat, 12 Jul 2003 21:15:53 -0500
X-Message-Number: 31
For Steve Demise,
I tried replying to your post at tapr.org, but it just hangs up..
I have tried the radar-find and continually am getting the Server
Certificate Expired thingy, and it wants to know if I accept or refuse..
Has something to do with localhost.localdomain thingy, :-)
I have used radar-find in the past Steve with no trouble..
Robbie, wa9inf
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END OF DIGEST
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