[OZAPRS] Brisbane 70cm IGate coverage

[Richard]

Hi Peter,

The bottom line for APRS is that the more traffic you have on a network 
frequency, the less mobile coverage (distance) you get from your 
digipeater. It's somewhat proportional.

Cheers
Richard
VK3JFK

Peter Schrader - VK4TGV wrote:
> Sorry People, 
>
> As Dave quite rightly pointed out, I am a double-dill.  439.100 is the
> National UHF APRS frequency according to the QDG and aprs.net.au websites.
>
> Andrew, if you wanted to try some aeronautical stuff let me know and I will
> throttle the transmit rate back to something more likely to let a moving
> station through.
>
> This morning during the drive from home (Northgate) to work (Brendale) I was
> able to hear the IGate reasonably OK using a FT7800, where the TT4 and
> HamHUD combo managed to decode and display about 80% of the transmitted
> traffic (roughly).  From what I can see my vehicle position was not gated
> from about the Deagon deviation, more investigation is needed here, or
> perhaps there is simply too much traffic for a mobile to be heard?
>
> Here at work I have a vertical up about 20 metres off the ground, and am
> decoding the packets 100% using a FT60 and uTNT TNC.  I am thinking this is
> better suited for home stations anyway, so for fixed installations a beam
> might be needed until we can get some UHF digipeaters going.  I don't really
> want to go down the UHF digi path until we get all the SEQ VHF digi's 100%
> upgraded and tuned.
>
> So if people could tune up there and let me know if you can here it from
> your home QTH, I'd be most grateful.
>
> As always, I am open ears for comments and suggestions.
>
> Cheers,
> Peter
> VK4TGV
>
>
>
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>   

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