Yes that is what I was hearing as well as watching.
Sorry John, but what you are witnessing is not Packet stations transmitting on
top of each other.
@yahoogroups.com
Sent: Thursday, November 26, 2009 2:34 PM
Subject: Re: [digitalradio] Digital busy detect
Yes that is what I was hearing as well as watching.
Sorry John, but what you are witnessing is not Packet stations transmitting
on top of each other.
On Tue, 24 Nov 2009 22:30:21 -0500, Alan Barrow ml9...@pinztrek.com said:
[snip]
OK, here's the challenge: Demonstrate it's feasibility if it's JSMOP.
Implement one that balances the right of the sending station not to be
QRM'd VS the expectation not to QRM. Publish an API a spec
Dave AA6YQ wrote:
To be clear, an attended station need not wait for 5 minutes of clear
frequency before transmitting; 30 seconds of no signals (meaning no
automatic station is QRV) followed by a QRL? sent in mode with no
response should be sufficient.
What does in mode mean on shared
Dave AA6YQ wrote:
+++The rules to be honored by all stations are:
1. if you're not yet in QSO, don't transmit on a frequency that is
already in use (meaning that signals have been detected during the
past 5 minutes)
2. if you're in QSO and signal other than that of your QSO partner
Lots of good or interesting opinions expressed in this discussion.
- But we all know about opinions... Everybody's got one.
Here are some of the relevant FACTS, the framework within we must not stray
with our opinions:
--
§97.101 General standards.
(a) In all respects not specifically
OK Charles that's enough you can now move on
and bad mouth whatever mode it next on your hit
list. this one is over done with.
John, W0JAB
to use radio for your amateur radio communications? - Stop by at
HamRadioNet.Org !
http://www.hamradionet.org
- Original Message -
From: John Becker, WØJAB
To: digitalradio@yahoogroups.com
Sent: Wednesday, November 25, 2009 9:51 AM
Subject: Re: [digitalradio] Digital busy detect
+++ AA6YQ responses below
-Original Message-
From: digitalradio@yahoogroups.com [mailto:digitalra...@yahoogroups.com]on
Behalf Of Alan Barrow
Sent: Wednesday, November 25, 2009 8:12 AM
To: digitalradio@yahoogroups.com
Subject: Re: [digitalradio] Digital busy detect
Dave AA6YQ wrote
###AA6YQ responses below
-Original Message-
From: digitalradio@yahoogroups.com [mailto:digitalra...@yahoogroups.com]on
Behalf Of Alan Barrow
Sent: Wednesday, November 25, 2009 8:34 AM
To: digitalradio@yahoogroups.com
Subject: Re: [digitalradio] Digital busy detect
Dave AA6YQ wrote
://www.hamradionet.org
- Original Message -
From: Dave AA6YQ
To: digitalradio@yahoogroups.com
Sent: Monday, November 23, 2009 10:50 PM
Subject: RE: [digitalradio] Digital busy detect
Did you evaluate the busy frequency detector in Scamp, Charles?
Have you evaluated the busy
WINMOR's busy detect works perfectly at the initiating station's end, a
pop-up windows tells you the frequency is in use and ask if you really want
to go ahead and transmit. I have not seen it work at the other end, i.e.
prevent another station connecting because a third party is also detected
Yes, seen that myself.
philw de ka1gmn
On Tue, Nov 24, 2009 at 8:06 AM, Andy obrien k3uka...@gmail.com wrote:
WINMOR's busy detect works perfectly at the initiating station's end, a
pop-up windows tells you the frequency is in use and ask if you really want
to go ahead and transmit. I
From: Charles Brabham n5...@uspacket.org
To: digitalradio@yahoogroups.com
Sent: Tue, November 24, 2009 6:36:19 AM
Subject: Re: [digitalradio] Digital busy detect
I knew one of the hams who first envisioned what
would later end up being SCAMP, followed its development
-
From: digitalradio@yahoogroups.com [mailto:digitalra...@yahoogroups.com]on
Behalf Of Charles Brabham
Sent: Tuesday, November 24, 2009 7:36 AM
To: digitalradio@yahoogroups.com
Subject: Re: [digitalradio] Digital busy detect
I knew one of the hams who first envisioned what would later end up being
At no point did the WinLink group intend to phase out the use of the SCS
harmful interference mills. This still holds true today.
Now Charles just don't pick on the SCS TNC. The PK-232 is the same way
And while we are at it let's add that packet group. I hear more the
one stations
://www.hamradionet.org
- Original Message -
From: Dave AA6YQ
To: digitalradio@yahoogroups.com
Sent: Tuesday, November 24, 2009 5:29 PM
Subject: RE: [digitalradio] Digital busy detect
I am fully aware of WinLink's political tactics, but the topic of this thread
is busy frequency
to use radio for your amateur radio communications? - Stop by at
HamRadioNet.Org !
http://www.hamradionet.org
- Original Message -
From: John Becker, WØJAB
To: digitalradio@yahoogroups.com
Sent: Tuesday, November 24, 2009 5:58 PM
Subject: RE: [digitalradio] Digital busy
Charles Brabham wrote:
Packet radio gets by with a simple carrier detect, PACTOR can only
detect other PACTOR stations, and from what I can tell, ALE has no
busy detection at all.
Absolutely not the case. ALE listen's before transmit for other ALE by
protocol. And the commonly used ham
FYI, the author of Winmor advised me that 3rd party busy detect IS part of
Winmor. If the client attempts to call the server and the server dtecets
another signal, the connect is not allowed. This, as Dave has consutantly
pointed out, is to be expected since the Winmor author has shown the
@yahoogroups.com
Sent: Tuesday, November 24, 2009 9:16 PM
Subject: Re: [digitalradio] Digital busy detect -Winmor
FYI, the author of Winmor advised me that 3rd party busy detect IS part of
Winmor. If the client attempts to call the server and the server dtecets
another signal, the connect
Andy obrien wrote:
FYI, the author of Winmor advised me that 3rd party busy detect IS
part of Winmor.
so what does it do when it's already involved in a qso, waiting to ack
or transmit, and someone starts transmitting? That's the core issue, not
detecting that a frequency is in use.
Not many
@yahoogroups.com
Subject: Re: [digitalradio] Digital busy detect
Charles Brabham wrote:
Packet radio gets by with a simple carrier detect, PACTOR can only
detect other PACTOR stations, and from what I can tell, ALE has no
busy detection at all.
Absolutely not the case. ALE listen's before transmit
Scamp busy detector as used in Scamp at the time of the group testing I
was part of, was NOT the end all of busy detectors. Finding a setting of the
threshold was very difficult. Too sensitive and the throughput operation of
Scamp was poor due to being held up by the threshold trigger. Not
At the moment it can be turned off,
On Tue, Nov 24, 2009 at 9:46 PM, DANNY DOUGLAS n...@comcast.net wrote:
My only question here: Is this a required part of the program, or can it
be turned on and off?
Danny Douglas
N7DC
ex WN5QMX ET2US WA5UKR ET3USA SV0WPP VS6DD N7DC/YV5 G5CTB
All 2
Dave AA6YQ wrote:
Its only unworkable because the implementation of the busy frequency
detector in question is obviously quite poor.
Significantly more to it than that... unless *all* stations honor
abide by common rules/tech, it simply won't work. This is true of just
about any network,
AA6YQ comments below
-Original Message-
From: digitalradio@yahoogroups.com
[mailto:digitalra...@yahoogroups.com]on Behalf Of Alan Barrow
Sent: Tuesday, November 24, 2009 9:57 PM
To: digitalradio@yahoogroups.com
Subject: Re: [digitalradio] Digital busy detect- it's not a technology
issue
AA6YQ comments below
-Original Message-
From: digitalradio@yahoogroups.com [mailto:digitalra...@yahoogroups.com]on
Behalf Of WD8ARZ
Sent: Tuesday, November 24, 2009 10:06 PM
To: digitalradio@yahoogroups.com
Subject: Re: [digitalradio] Digital busy detect
Scamp busy detector as used
+++ AA6YQ comments below
-Original Message-
From: digitalradio@yahoogroups.com [mailto:digitalra...@yahoogroups.com]on
Behalf Of Alan Barrow
Sent: Tuesday, November 24, 2009 10:30 PM
To: digitalradio@yahoogroups.com
Subject: Re: [digitalradio] Digital busy detect
Dave AA6YQ wrote:
Its
: digitalradio@yahoogroups.com [mailto:digitalra...@yahoogroups.com]on
Behalf Of Dave AA6YQ
Sent: Wednesday, November 25, 2009 2:29 AM
To: digitalradio@yahoogroups.com
Subject: RE: [digitalradio] Digital busy detect
+++ AA6YQ comments below
-Original Message-
From: digitalradio
Packet radio gets by with a simple carrier detect, PACTOR can only detect other
PACTOR stations, and from what I can tell, ALE has no busy detection at all.
Several years ago I took a serious look at automated busy detection, and always
ran across the same stone wall:
A more sophisticated busy
, November 23, 2009 9:55 PM
To: digitalradio@yahoogroups.com
Subject: [digitalradio] Digital busy detect
Packet radio gets by with a simple carrier detect, PACTOR can only detect
other PACTOR stations, and from what I can tell, ALE has no busy detection
at all.
Several years ago I took a serious
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