[OZAPRS] Was Byonics, Australian requirements

Ray Wells vk2tv at exemail.com.au
Tue Aug 7 12:53:39 EST 2007


vk7arn wrote:

>VK7ZRO-15 is on the road with HF and will be several weeks.  ZRO is one
of those
>amateurs who likes to build his own and keep gear expense to a minimum.
If
>there's interest, I'll ask him to summarise the set up he's using.
>Roger vk7arn
>
>-----Original Message-----
>From: ozaprs-bounces at aprs.net.au [mailto:ozaprs-bounces at aprs.net.au] On
Behalf
>Of Damien Gardner Jnr
>Sent: Tuesday, 7 August 2007 10:54
>To: VK / ZL APRS Users
>Subject: Re: [OZAPRS] Was Byonics, Australian requirements
>
>
>-----Original Message-----
>From: ozaprs-bounces at aprs.net.au [mailto:ozaprs-bounces at aprs.net.au] On
Behalf
>Of David Hopkins
>  
>
>>The big drawback on HF is as Ray pointed out, cost of transceiver,
>>size of the radio and the antenna.
>>A car fitted with this gear is easy for thieves to spot and rob.
>>VHF equipment is less conspicuous.
>>So long as one sticks to the main highways one can use the GPRS
>>    
>>
>network.
>  
>
>>While this costs money its a lot cheaper than buying a HF transceiver. 
>>David
>>    
>>
>
>I'm curious.. How much bigger can a HF antenna possibly be, compared to a
VHF
>antenna??  I know both of mine have always stood out like dogs balls,
whether
>they were on the boot of my commodore, or (these days) on the bullbar on
the
>hilux (http://offshore.pinegap.net/P5198782.jpg - nb: turn headlights off
before
>driving through water) - not sure how I'd fit extra antennas there, maybe
move
>some stuff to bonnet side-mount ;)
>
>How good *is* HF coverage? I know pretty much as soon as I head into
Gippsland
>on my way north, I totally run out of aprs coverage till I hit just south
of
>Canberra, if I go up through the snowies, or for a small pocket around
Batemans
>bay, if I'm heading to Sydney, then proper coverage starts around
Wollongong...
>I'm wondering if I'm better getting a 50W amp to go between the D7 and
the 9dB
>antenna, or maybe it's worth giving HF a try??
>
>Regards,
>
>Damien
>
>
>--
>Damien Gardner Jnr
>VK2TDG. Dip EE. StudIEAust
>Home: rendrag at rendrag.net -  http://www.rendrag.net/
>Play: vk2tdg at pinegap.net  -  http://pinegap.net/
>--
>We rode on the winds of the rising storm,
>  We ran to the sounds of thunder.
>We danced among the lightning bolts,
>  and tore the world asunder
>
>
>
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>
>
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>
>  
>
I think we'd be crazy to refuse an offer like that.

In another posting, Damien asked this ....

How good *is* HF coverage? I know pretty much as soon as I head into

Damien, have a look at the raw data from vk7zro-15 who is curently near
Tailem Bend in South Australia. He's hitting gates in vk2, vk4, vk6, vk7
and vk8.


Ray vk2tv


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