I too have tried to find out what equipment was used during the "Weak
signal D-STAR versus FM.mp3" demo which is posted under the "Files"
sections of the "Illinoisdigitalham" yahoo group. I too first
inquired to Mark (WB9QZB), he had then asked me to contact John
(KC5ZRQ) directly. I received the following reply from John, and when
I answered his question as to which recording I was referring to, I
never received an answer or another reply.
Coy, if you happen to receive a reply, can you please forward me a
copy? I just recorded a Mototrbo weak signal audio comparison last
night and plan to post it to the hamradio-dv.org web site. But when I
do, I would also like to post a weak signal D-Star audio comparison
with it, and up to this point, I cannot use KC5ZRQ's since I do not
know the facts behind it. For that reason, a friend of mine is
thinking of working with me possibly today to record our own D-Star
weak signal comparison.
Coy, please keep me posted as to your findings, or I'll let you know
when our audio clip is up on the hamradio-dv.org website.
Also, if anyone is interested, there are sample recordings of ALINCO,
AOR, ICOM, and MOTOTRBO (AOR is the only weak signal at this time) on
the home page of http://www.hamradio-dv.org . I am interested in
adding a list of '''Amateur Radio''' digital voice related links
(Alinco, AOR, ICOM, MOTOTRBO, P25, and any other open source /
published digital voice protocols). I would appreciate any links that
you believe would fill the above requirements. Be it a personal,
club, or corporate web site, just as long as it has pertinent
information on Amateur Radio Digital Voice protocols and or systems,
I welcome them.
I do somewhat frown on Digital Voice protocols which require a
personal computer, juggling sound card connections, using two sound
cards, or wrestling all the interconnecting cables on ones desk.
I look forward to checking out your web sites and or links.
Please send them directly to [EMAIL PROTECTED]
Have Fun & Thanks !
Paul Metzger
K6EH
------------------------------------------------------------------------
---------
From: [EMAIL PROTECTED]
Subject: Re: Super! Finally A D-Star Recording!
Date: March 2, 2007 13:58:18 PST
To: [EMAIL PROTECTED]
I have several recordings. Please specify the filename.
John, KC5ZRQ
----- Original Message ----- From: "Paul Metzger"
<[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Friday, March 02, 2007 3:51 PM
Subject: Super! Finally A D-Star Recording!
Could you please inform me of all aspects of the the newly uploaded
audio file to Yahoo?
Range, Power, Antennas, Radios, Narrow//Wide Band, etc etc etc.
If going through different repeaters, please list every item of
hardware that makes up the repeaters, antenna patterns, losses,
including the effective receive sensitivity of each systems receiver.
I might want to add this to the N6DVA Digital Voice Amateur Radio
Association Web Site at http://www.hamradio-dv.org
Would you mind if I did such a thing? I've been waiting for some to
conduct this very same experiment and record it just as you have.
I already have an Analog/Audio comparison of the AOR units, I sure
would like to have one of the D-Star line as well.
Thank you for your time and consideration.
Paul Metzger
K6EH
The Digital Voice Amateur Radio Association
http://www.hamradio-dv.org
N6DVA
------------------------------------------------------------------------
---------------
From: [EMAIL PROTECTED]
Subject: Re: Super! Finally A D-Star Recording vs Analog FM!
Date: March 3, 2007 08:27:40 PST
To: [EMAIL PROTECTED]
The file is;
Weak Signal D-STAR versus FM.mp3
Comparison of a Weak D-STAR Signal versus a Weak FM Signal
Paul Metzger
K6EH
Digital Voice Amateur Radio Association
http://www.hamradio-dv.org
N6DVA
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On May 28, 2007, at 06:55, Coy Hilton wrote:
This brings some questions to mind. none of the D-STAR repeaters that
I know of (ICOM) have the ability to do FM repeat, If the repeaters,
antennas and the rest of the equipment weren't the same or nearly the
same and coo-located how can the test be fair? Also the D-Star is
narrow band with respect to the standard Fm repeater. With digital
either it's there or it's not.
Granted digital is a good way to go but it is way too pricy right now
for me to think of purchasing I'll stick with my FM machines for now.
AC0Y
--- In [email protected], "Ron Wright, Skywarn
Coodinator" <[EMAIL PROTECTED]> wrote:
hi all,
In the FILES section of this board is a Weak Sig D-Star demon by
WB9WZB. Most impressive test.
Can anyone give details of the test...was same rig with power levels
and antennas used in the test???
73, ron, n9ee/r
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