[OZAPRS] APRS coverag in WA- 4WD Outback?
amcdade at iprimus.com.au
Sun May 28 12:20:41 EST 2006
There are a few folks around Oz that dabble in HF aprs. The main problem
that we dont have all that many HF gateways running , Although when there
a specific need .. ie a traveller doing what your intending on doing ,
a few more HF gates tend to become active for the duration .. So keep us
informed on this list as to your intentions as the time draws nearer.
We have more or less permanent HF aprs gates on 30m in Victoria, South
Australia, Queensland and New South Wales. Im not sure whether anyone is
currently running a HF gate in Western Australia .. Comments others ???
Probably the biggest hole is up towards the northern end of the Northern
Territory , where we dont have any regular HF gates , and where skip
distances on 30m tend to make this area of Australia a little bit hit and
We tend to use the USB on 30m .. this has become a bit of a convention
is Australia primarily due to band edge constraints.
For your Tiny Track 3 .. you will therefore need to tune to 10.14760 USB
We try to run about a 10 minute mobile beacon rate, and about a 20 - 25
minute stationary beacon rate on HF
The path we generally use on HF here is .. GATE, WIDE2-2 .. or some people
run GATE,WIDE .. Generally though I think that GATE,WIDE2-2 will get that
extra hop into an Igate where the Igate isnt necessarily directly
to the HF Gate.
There are some HF gates on 40m here and in ZL. that can also be used , but
personally I think that 30m for you trip would be the way to go.
All VHF APRS activity in on 145.175Mhz other than Victoria , who are
currently on 144.900Mhz. The Victorian network is being converted to
145.175Mhz at the moment though.
The path we tend to use on VHF at the moment is RELAY,WIDE2-2 with a
maximum beacon rate of 2 minutes whilst mobile and maximum beacon rate of
20-25 minutes when stationary.
Coverage on VHF is generally available in most capital cities and some
populated areas. But relative to the total size of Australia , the VHF
coverage is minimal. The State of Victoria has the best VHF regional
coverage , Other states of Australia vary in regional coverage . But as a
general rule the VHF APRS coverage would extend out to 100 - 200 kms from
each capital city and probably out to 50km from some major regional towns.
The east coast of Australia has reasonable VHF coverage . The West coast ,
South Coast and North Coast of Australia has very limited if no VHF
at all. The centre areas of Australia also have no VHF coverage.
I hope this has given you a bit of an insight into APRS op here in
Anymore questions ... dont hesitate to ask !
Regards . Andrew .. VK5EX
----- Original Message -----
From: "Mike Zwingl oe3mzc" <oe3mzc at oevsv.at>
To: "Tony Hunt" <wavetel at bigpond.com>; "VK / ZL APRS Users"
<ozaprs at aprs.net.au>
Sent: Friday, May 26, 2006 4:46 PM
Subject: [OZAPRS] APRS coverag in WA- 4WD Outback?
> Hello guys,
> I read about OZ-APRS gateway service on 10 MHZ.
> Since I plan to travel from Perth to Darwin and Alice Springs and Sydney
> from July, August, September this year, I would like to ask you about
> further details of OZ-APRS HF gates and vhf/hf-aprs in VK in general.
> Frequency: would it be correct to tune to 10.151 LSB with my TinyTrak3
> FT100 +ATAS120 ?
> What coverage could I expect on the trip from PERTH to Darwin and Alice
> Would you recommend other QRGs also? on 14MHz or 7 MHz?
> What would be the coverage on VHF? is 145.150 correct?
> Thank you fro your anwsers
> vy 73 de Mike Zwingl
> Austrian Amateur Radio Society
> Ozaprs mailing list
> Ozaprs at aprs.net.au
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