Rick
If someone had proposed 50.5-51.00 ( NOT 50.300 -
54.000 ) for SS 99% of us could have lived with that.
That part of the band is very lightly used except for
some psk digi radios that are already there.
No one I know of is opposed to digital anything unless
it is going to interfere
But that's how DX works...
Walt/K5YFW
-Original Message-
From: digitalradio@yahoogroups.com
[mailto:[EMAIL PROTECTED] Behalf Of Danny Douglas
Sent: Tuesday, October 24, 2006 3:20 PM
To: digitalradio@yahoogroups.com
Subject: Re: [digitalradio] Efficient spectrum usage
Yes, and at the
Danny and Andy,
Those of us in more rural areas do have a lot more difficulty finding
others with similar interests. I was interested in electronics by age
12, when I stumbled upon it when I saw Popular Electronics Magazine
during a summer spent in Riviera Beach, FL. But I did not know any
Wait a minute, you were the one that said that 100's of hams could use
one 10 kHz wide channel to communicate, not me!
Quote from your message:
... So when you transmit on this 10kHz wide HF channel, from your
perspective you are in a clear one-to-one QSO with another Ham, sort
of like using
I think there are to many other activities for hams now, and hams
don't get on the air much as in the past. Maybe complacency?
There are thirty six two meter repeaters listed in on the Repeater
Directory in the twin city area of Minnesota. Out of those, maybe
four are somewhat active. The
No- that how DX gets confused. It works confusedly. If you are a DX
station, you need to control what the others are doing. Saying UP is not
the way to do it. Saying UP 3 TO 10 is. Or better yet: UP 3, DOWN 2,
DOWN 3, UP 1, etc. That keeps the whole gang of callers from being on one
exact
First, it ignores all the empirical evidence to the contrary. This
alone would make the statement suspect.
Second, it ignores the different methods and implementations of ALC in
different transmitters.
One of the first effects of ALC is the imposition of an amplitude
modulation on the RF
alright to let the
transmitter ALC line operate on PSK31.
It has been my experience that when ALC action is allowed for PSK31,
the IMD reading will get significantly worse. Another danger that was
discussed on FT-817 group was that there are sometimes fixed gain
audio amplifiers in front of
Ed,
Nobody said it is available now, only that a solution is possible. Bob even
pointed out that any solution may be too expensive anyway.
If we can pause for a minute and stop thinking in strictly analog terms,
then it is clear a solution is possible. For example, I work in a virtual
sea
This one is easy .. AGAIN you bypassed the users
no one I know of reads either of them and as for ALL
MODES did ANYONE even think what 50.400 is used for
world wide ?? I have a big gripe with the ARRL
they know full well that there are AM users and nets
also how are you identifing your
Bruce,
Who did you say SMIRK was again? Just kidding!
Yes, we are using an established 6M calling frequency for a TEST. Don't you
do that sometimes too? Besides, it's the only portion of the band that is
classified as ALL MODE. Nobody uses Ancient Modulation (AM) anymore
anyway, right?
and a band width of 6 khz? since the ARRL says only
one station in 6 land was licensed ..
__
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Tired of spam? Yahoo! Mail has the best spam protection around
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Need a Digital mode QSO? Connect to
Bruce,
The segment 50.5 - 51 is too small. Remember we need something 200 kHz wide
to achieve the data rate objective for the test per Shannon's Rule. To get
to 240 kbps with OFDM modulation we need 200 kHz of bandwidth.
Again, it is just a TEST and with a temporary EXPERIMENTAL ticket.
Bruce,
No, the bandwidth is 200 kHz, not 6 kHz.
And yes, only one station in 6-land is licensed at this time. KD6OZH will
do
one-way transmissions using his cell phone to RC the OFDM transmitter while
he drives around the county recroding the transmissions.
John
From: bruce mallon [EMAIL
Andrew O'Brien wrote:
I found this quote today, anyone care to comment ?
Although it is a common belief to the contrary, it is in fact quite
alright to let the transmitter ALC line operate on PSK31. The ALC
line will control the drive level without clipping in the same way
that it
You still don't get it it's not me you need to be
talking to go post this on 6 meter user groups
websites and see if they agree with you .
--- John Champa [EMAIL PROTECTED] wrote:
Bruce,
The segment 50.5 - 51 is too small. Remember we
need something 200 kHz wide
to achieve the data
Can you give me the name of some 6 meter user groups?
Larry ve3fxq
- Original Message -
From: bruce mallon [EMAIL PROTECTED]
To: digitalradio@yahoogroups.com
Sent: Wednesday, October 25, 2006 3:06 PM
Subject: Re: [digitalradio] Don't ignore proposals/local HF net successes
You still
Actually, the statement that a solution is possible is unproven. A
more accurate one might be that a solution may be possible. However,
802.11 is NOT a good example to use in citing how it might be done!
The statement about 802.11 doesn't tell the whole story, not by a long
shot. These types
We need to start trimming our replays.
There is not need to re-post a message for the 3rd, 4th or more times.
Remember - those that live in the rural area may not have too big
of a in box.
Thanks.
John
Need a Digital mode QSO? Connect to Telnet://cluster.dynalias.org
Other areas of
I am not sure how many high powered, high gain antenna stations there
are out there, but it does not seem to be an area of growth like it was
at one time.
With 100 watts and a good beam, it should be easy to work a similar
station from my QTH to the Twin Cities (~ 150 miles). You would think
Rick,
that many of the new entrants do not have that zeal or desire to put
resources into such activities.
That is about it in a nutshell. Most techs buy a two meter FM radio.
You hear them on the local repeaters for maybe a month or so and then
disappear into the woodwork. After that
HF, Digital TV Operation from Space on the ARISS Horizon
ISS SSTV system development coordinator Miles Mann, WF1F
NEWINGTON, CT, Oct 25, 2006 -- Plans to deploy an HF transceiver and
a digital TV system in space were among the highlights of the Amateur
Radio on the International Space
What about the APRS digipeater? This post does not mention why it was
shut down or if it is going to be activated again?
This was the most easy of the modes to work on ISS for everyone, very
short transmission times, most were able to get in and digipeat. The
FM repeater was a complete mistake
0030Z beaconing 5 minute intervals on 7075.5 USB,
power 50 watts. Beacon active until 0300Z , evening of Oct 25
Please try connecting to my station, and leave me a
signal report
john
VE5MU
__._,_.___
Need a Digital mode QSO? Connect to Telnet://cluster.dynalias.org
Other areas of
Can you give me the name of some 6 meter user groups?
Larry ve3fxq
[EMAIL PROTECTED]
[EMAIL PROTECTED]
--
Thanks! 73,
doc, KD4E
... somewhere in FL
URL: bibleseven (dot) com
Need a Digital mode QSO? Connect to Telnet://cluster.dynalias.org
Other areas of interest:
The MixW Reflector :
Unlike other modes, digital can offer time shifting through such things
as BBS store and forward capabilities that allow you to check in when it
is convenient for you. The downside of this is that you lose the
comaraderie that develops on CW and voice nets.
Amateur Radio Digital has an
It's not only the current users that are important but the future users.
What about the potential amateurs in Jr High School. How do we make the
bands useful for them? I suggest the question is not if they will be
using them in the future, but under which regulations - Part 97 or Part
15.
A new ARRL proposal to FCC petitions for 100W ERP and more mode
flexibility in the 5MHz amateur radio channels. Among other things, it
proposes to add =2.8kHz bandwidth digital signals, combined with
...care to limit the length of transmissions so as to avoid
interference with Federal operations.
I would certainly support that. Especially if we are given digital mode
capability on one or more channels. I would assume that means that more
than one signal can come up on a channel, with, for instance, PSK. I have
monitored those channels several times, and yet to hear anyone on them at
Picked a lousy night to try this, all the RF left
my antenna and just piled up on the grass.have to rake it up in the AM.
:)
Anyone else up for trying PAX2, ,beacon and/or
responder enabled? this mode has some promise. will check on condx tomorrow
night on 40 and 80, and see
Everybody...please stop griping about the ARRL!
They don't invent this stuff to have something to keep them up at night.
Actions are almost always taken only as the result of member requests.
When was the last time you wrote to your Director with a suggestion?
NEVER, is my guess! Maybe ONCE is
Bruce,
I get it. Chill out. It's only one test station in California, so why
bother?!
Besides he scanned the frequency range for weeks prior to testing,
and heard nothing at all...zip, nada. Of course, the band wasn't open then
either.
In addition, I rather doubt an AM station would even
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