Does the automatic operation first ASK if the freq is clear? Besides listening
for 15 seconds, it needs to find out if someone else is hearing and talking to
someone that it doesnt hear. All too often I hear a station suddenly just
start sending CQs without even asking (CW - SSB) so you know those guys didnt
ask or you would have heard them. At least with those, you can always
interject and say HEY QRL HERE or some such. With an automatic station as you
imply, just starting up if it doesnt hear anything in 15 seconds, is there a
way to get it to stop because the freq IS QRL? How would it ask? Voice? CW?
or in whatever mode it is going to be using (which others will not copy since
they are there with a voice or cw QSO)? Putting these things into a small 100
kc band, with cw, PSK or other narrow band ops just isnt going to be very
acceptable. Besides that- 15 seconds is not a very long period if one station
(it cant hear) is talking to another.
Danny Douglas N7DC
ex WN5QMX ET2US WA5UKR ET3USA
SV0WPP VS6DD N7DC/YV5 G5CTB all
DX 2-6 years each
.
QSL LOTW-buro- direct
As courtesty I upload to eQSL but if you
use that - also pls upload to LOTW
or hard card.
moderator [EMAIL PROTECTED]
Danny Douglas N7DC
ex WN5QMX ET2US WA5UKR ET3USA
SV0WPP VS6DD N7DC/YV5 G5CTB all
DX 2-6 years each
.
QSL LOTW-buro- direct
As courtesty I upload to eQSL but if you
use that - also pls upload to LOTW
or hard card.
moderator [EMAIL PROTECTED]
----- Original Message -----
From: David Struebel
To: [email protected]
Sent: Tuesday, December 12, 2006 6:56 PM
Subject: Re: [digitalradio] Re: New ARRL Petition
No,
First the FCC corrected its error and now Pactor III will still be legal
after December 15th.
Since Pactor III occupies up to 2.4 Khz my opinion is that it is a spectrum
hog, compared to the 500 Hz or less of a
Pactor I or Pactor II signal.
There are two types of "automatic" operation. Fully automatic means that the
automated station will issue
connects by itself. The software NTSD uses listens on the frequency for 15
seconds before a connect is issued.
If the frequency is busy it re schedules the connect to a later time.
Semi-automatic means that the automated system is
scanning the frequencies but does not issue automatic connects. It requires
an connect attempt from a manned system before it will respond.
Semi-automatic operation will move below 3600 Khz after the 15th, in the
3590 to 3600 region.
Dave WB2FTX
Roger J. Buffington wrote:
David Struebel wrote:
>
> There are other digital automatic users besides the email Winlink 2K
> systems you cite. The National Traffic System (certainly a part of
> ham radio, and has been around for over 50 years) uses the automatic
> section of 80 meters for passing traffic thru the NTS Digital system.
> The FCC new rule would prohibit this operation on 80 meters.
>
> Dave WB2FTX Eastern Area Digital Coordinator NTSD
>
> k
>
Frankly, that would work for me. Hope it does. Does that mean Pactor
automatic traffic will be illegal on 80M unless the ARRL petition is
approved?
de Roger W6VZV
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