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[aprssig] Local Event using RELAY?

Robbie - WA9INF mwrobertson at comcast.net
Tue Mar 29 17:49:48 UTC 2005


Bob,

Robert Bruninga wrote:
>>>>kb8uih at sbcglobal.net 3/28/05 11:09:02 PM >>>
>>
>>If it is only hearing on .99, then it will only digi what it
>>hears, won't it?  If it only hears on .99 then it
>>would only retransmit what it heard on .99.  Why is
>>that so bad?
> 
> 
> The debate is over ideology.  To me, running a  very
> low power 1W tracker and digipeating it through your
> 50W mobile out in the boonies is no different than 
> running the 50W mobile as the tracker in the first place 
> (though it is a lot harder to carry while walking)...

Why do you twist things around to favor your side, and not state the 
original start of this thread Bob.. The gentleman only stated that his 
tracker could not reach a digipeater and wanted to set up his D-700 to 
do a simple RELAY for the tracker. There was absolutely nothing said 
about operating in the boonies and that the RELAY could only hear a 
"Distant Digipeater". That was your twisting things around to justify 
transmitting in the blind with complete disrespect for any possible 
traffic from other users on 147.390.

> 
> The fact that the 50W mobile wont hear any other local
> traffic in the first place (other than the distant digi) means
> it cannot do anything about collision avoidance to other
> users in either case anyway...

Where did you get this fact? Who said that the mobile was not going to 
hear anything except a far off digi?

> 
> Yet the richeous will condem  your use of the mobile as a 
> digi for your tracker which -isnt listening- while saying it is 
> just fine to use the  mobile (which -is- listening but -cant- 
> hear any other users).  Though the impact on the network 
> is identical...
> 
> Let common sense prevail in each case...
> Good luck.

Common sense helped make ham radio what it is today.. I am proud I am 
richeous and try to abide by common sense. I don't transmit period if 
the channel is not clear, on any mode! and I don't advocate others do it 
because no one would know!

I am out of this thread, so twist it any way you want, and I hope common 
sense will prevail!

Robbie

> Bob
> 
> --- Robbie Robertson <mwrobertson at comcast.net> wrote:
> 
>>Bob,
>>
>>That then makes the TMD-700 to transmit on 144.390
>>without listening 
>>first and thus qrm'ing anything else on 144.390.
>>That is not the right 
>>way to operate period.
>>
>>We have had this discussion before, and others
>>agreed. If there is no 
>>other transmission being heard by a station, it is
>>assumed ok to 
>>transmit, but just to turn on without listening for
>>a signal is wrong.
>>
>>If the event stations on 144.990 were to be
>>transmitting at a fast rate, 
>>even at 30 seconds, and 4, 5 or more units, then the
>>TMD-700 would be 
>>constantly key down irrespectful of other activity
>>on 144.390. I think 
>>every tracker from tt to whatever, at least has
>>"Activity" hold off!
>>
>>To suggest that others do this is not correct.
>>
>>Robbie
>>
>>Robert Bruninga wrote:
>>
>>>>>>Boyd D Garrett Sr <N5CTI at texasnative.com> >>
>>>>
>>>>I plan to support a public service event from my
>>
>>bicycle.
>>
>>>>(TH-D7)... so Net Control can track my position. I
>>
>>...have 
>>
>>>>virtually no chance of getting into a WIDE digi
>>
>>...
>>
>>>>so I plan to have my truck in the vicinity with my
>>
>>>>TM-D700 set for RELAY digipeating.
>>>
>>>
>>>Then I would set your mobile DIGI to RELAY but set
>>
>>it
>>
>>>to listen on 144.99 and TX on 144.39.  Then
>>
>>operate
>>
>>>all trackers at the event on 144.99.  That way
>>
>>they
>>
>>>get a 100% clear channel and yet the event and
>>>everything else shows up on 144.39
>>>
>>>Bob
>>>
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>>>aprssig at lists.tapr.org 
>>>
>>
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>>>
>>
>>
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