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ZL3AI > APRDIG 24.12.06 07:45l 122 Lines 3699 Bytes #999 (0) @ WW
BID : 9393-ZL3AI
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Subj: [APRSSIG] Vol 30 #21, 1/1
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From: ZL3AI@ZL2BAU.#79.NZL.OC
To : APRDIG@WW
Today's Topics:
1. 9600 baud TX equalization (Scott Miller)
2. FW: RAFT speaks! And ANDE works! (Robert Bruninga)
3. RE: FW: RAFT speaks! And ANDE works! (Robert Bruninga)
4. Florida Amsat net (Stephen Brown Jr)
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Message: 1
Date: Thu, 21 Dec 2006 10:22:41 -0800
From: "Scott Miller" <scott_at_opentrac.org>
Subject: [aprssig] 9600 baud TX equalization
I was just reading over the original docs on the G3RUH modem yesterday, and
I noticed that it makes a big deal of transmit equalization. Several
different waveforms were provided to compensate for frequency and phase
response in the transmitter. In reading the manual for the KPC-9612+, I
only see an option for RX equalization. What's the deal? Are modern radios
consistent enough in their frequency and phase response to not require
adjustment on the TX side?
Scott
N1VG
------------------------------
Message: 2
Date: Thu, 21 Dec 2006 18:12:49 -0500
From: "Robert Bruninga" <bruninga_at_usna.edu>
Subject: [aprssig] FW: RAFT speaks! And ANDE works!
Subject: RAFT speaks! And ANDE works!
After a gloomy day, I decided to try to wake-up ANDE even though it is
stuck in the can. TO my surprise, RAFT responded! SO then I ignored ANDE
attempts and ran around to find my checkout plan for RAFT.
Logged onto RAFT and turned on the voice experiment and it SPOKE!
Then I got a packet from ANDE-1!
So we have two new babies.
Please do NOT attempt to transmit packets via ANDE or RAFT until
authorized. Capture telemetry and loook for ANDE-1 or ANDE-2 packets!
More later when we digest it all.
Bob Bruninga, WB4APR
US Naval Academy Satellite Lab
------------------------------
Message: 3
Date: Thu, 21 Dec 2006 18:19:24 -0500
From: "Robert Bruninga" <bruninga_at_usna.edu>
Subject: RE: [aprssig] FW: RAFT speaks! And ANDE works!
List'" <aprssig_at_lists.tapr.org>
Dave, thanks.
Yes, too bad they werent interested.
Thanks
Bob
>-----Original Message-----
>From: microbrix_at_gmail.com [mailto:microbrix_at_gmail.com] On
>Behalf Of David VanHorn
>Sent: Thursday, December 21, 2006 6:18 PM
>To: bruninga_at_usna.edu; TAPR APRS Mailing List
>Subject: Re: [aprssig] FW: RAFT speaks! And ANDE works!
>
>On 12/21/06, Robert Bruninga <bruninga_at_usna.edu> wrote:
>
>Subject: RAFT speaks! And ANDE works!
>
>After a gloomy day, I decided to try to wake-up ANDE even though
>it is stuck in the can.
>
>
>I heard about that.. :( Maybe it will pop out later. One can hope.
>
>By the way, I still have that code set I wrote for ANDE so
>long ago, the three CW beacons, each with a different
>message. If you have a need, it's there.
------------------------------
Message: 4
Date: Thu, 21 Dec 2006 20:43:22 -0500
From: "Stephen Brown Jr" <stephen.brown75_at_gmail.com>
Subject: [aprssig] Florida Amsat net
For anyone who may want this, I recorded the audio and uploaded it to my
website. It is an hour long, and the file size is approximately 8.5mb. Bob,
WB4APR, was present on the net this evening talking about the recent
spacecraft deployments, some pretty interesting stuff.
You can access the file here: http://www.n1vlv.com/FL_AMSAT_NET_122106.mp3
Just listened to some of it and the audio quality may contain a few
anomalies, seems like it didn't encode into mp3 format as good as I had
hoped, but perfectly intelligible nonetheless :)
Feel free to share with whomever may find this of interest......
73's
Stephen
N1VLV
------------------------------
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End of aprssig Digest, Vol 30, Issue 21
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