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Car Forum / Australian Car Forums / 4x4 Cars (Australian group) / May 2005

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UHFs

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Barnsey - 27 May 2005 06:09 GMT
I am constatntly alarmed by the amount of people who think that a UHF radio
is all the comms saftey they need in the outback.

Over the years, I have been imploring people to take HFs or Sat phones with
them if they are planning a trip off the black top.

No I haven't.

Did I get your attention Mike?

I'm doing training on radio comms with the SES soon. It will be interesting
to see what they use and how effective it is. Also, I'm going to do 4wd
training in thier Troopies which will be interesting too. I wonder what I've
been doing wrong all these years (apart from driving crap cars)

I still remember speaking to the RACQ in Mt Surprise from The Lynnd in the
Gulf on my UHF (120ks away) I'll run this by the comms expert when we do our
training.
Jim - 27 May 2005 08:13 GMT
> I am constatntly alarmed by the amount of people who think that a UHF radio
> is all the comms saftey they need in the outback.
[quoted text clipped - 14 lines]
> Gulf on my UHF (120ks away) I'll run this by the comms expert when we do our
> training.

Not really sure if this is a thread, but I'd have to say that the HF option
for serious travellers is alive and well. (yes well I would have to say that
:).
UHF is handy but can't be relied upon depending upon the area. HF has its
drawbacks also, along with sat phones.
I used to train the SES guys on comms years ago...but we all make mistakes
in our youth :))

Cheers
Jim
Rod Out back - 27 May 2005 10:31 GMT
>> I am constatntly alarmed by the amount of people who think that a UHF
> radio
[quoted text clipped - 33 lines]
> Cheers
> Jim

Perhaps defining outback travel would be a start?  Many people think outback
travel is the trip to Mt Isa from Brisbane...

UHF is handy while you are enroute(still on the blacktop), more than being a
primary comms aid when really out in the sticks.  They are the best tool for
talking to truckies along the way, and you would be suprised where you will
encounter a truck out in the middle of nowhere; carting sheep or cattle.
For that end, they(UHF) are ONE of the comms necessities I would reccommend.
if you are really going out back, either an HF or a CDMA\Sat handset like
the Kyocera models they sell at some of the comms dealers.  This gives you
CDMA coverage within range of many outback towns, but is Sat for the rest of
the way.  This seems to me to be a worthwhile tool. An essential
'run-out-of-options' piece of gear would be an EPIRB; they are bloody cheap
insurance, as well as dirt-cheap, in my opinion.

And finally, a survival kit with the gear to make a water still, big box of
matches and a mirror for signalling.  Nothing like a mirror and\or a fire to
get the attention of a search aircraft...

Just my thoughts. Travelling the more populated areas, I find the UHF & CDMA
phone in a car kit all I need.  When I worked for QDPI, all remote-area ops
cars had to have either Sat-Phones or HF radios, or both. Most stock
inspectors had HF and UHF, for calling properties they were inspecting stock
on. I would have suggested adding a UHF as well, but QDPI werent all that
serious about remote-area ops when I was there(I think they just gave the
concept lip-service).  Some people in my centre had been driving a car for 3
weeks before they thought to use the sat-phone.  Found out it died when
trying to make a call, which gave them all a fright. They had assumed that
because the unit turned on and said all was well, that it would work when
needed.  I had been making a point of trying out the phone prior to leaving
on trips(as well as carrying my own UHF and mobile Phone), but others in the
centre thought it a waste of money (optus satphones were about $2.90 a
minute at that stage). That little episode spooked them all up, and I see we
had remote-area assessments done on all vehicles after that...

Cheers,

Rod.......Out  Back
Jim - 27 May 2005 11:08 GMT
> >> I am constatntly alarmed by the amount of people who think that a UHF
> > radio
[quoted text clipped - 72 lines]
>
> Rod.......Out  Back

Definition of outback travel
Traversing an area where one has to be self reliant as services are as hard
to find as a cafe late.
I'm sure there's a better one:))

Cheers
Jim
Figjam\(cable\) - 27 May 2005 13:42 GMT
Sorry Rod bout most people think outback travel is drivin past the outskirts
of their city.Oh sh.t the street lights arent workin here.
:)

Fig

> Perhaps defining outback travel would be a start?  Many people think
> outback travel is the trip to Mt Isa from Brisbane...
[quoted text clipped - 35 lines]
>
> Rod.......Out  Back
Mike Harding - 28 May 2005 00:35 GMT
>I am constatntly alarmed by the amount of people who think that a UHF radio
>is all the comms saftey they need in the outback.
>
>Over the years, I have been imploring people to take HFs or Sat phones with
>them if they are planning a trip off the black top.

Don't think I wrote that, did I?

>No I haven't.
>
>Did I get your attention Mike?

You always have my attention Barnsey, I await your
every word with eager anticipation :)

>I'm doing training on radio comms with the SES soon. It will be interesting
>to see what they use and how effective it is.

They use to use VHF gear I think - around 160MHz? But their
requirements are generally different to those of an outback
traveller.

>Also, I'm going to do 4wd
>training in thier Troopies which will be interesting too. I wonder what I've
>been doing wrong all these years (apart from driving crap cars)

I'll be interested to see if you think you learn much from
it, keep us posted please.

>I still remember speaking to the RACQ in Mt Surprise from The Lynnd in the
>Gulf on my UHF (120ks away) I'll run this by the comms expert when we do our
>training.

As we've discussed before :) anything above about 50MHz is
"line of sight" so, generally, will not work if the transmitter and
receiver do not have a direct line to one-another. BUT there
are exceptions usually to do with special atmospheric
conditions - I was talking, from a car antenna, to another
Amateur operator on 2m (146MHz) a few months ago over
a distance of 350km! Never done it before or since.

In areas like the Gulf and desert where the terrain is very
flat and UHF CB repeaters are often mounted on top of the
only hill in the district "line of sight" can be (say) 100km.
In the Vic High County "line of sight" from a valley may only
be 2km.

HF or sat phone is the only (pretty much) guaranteed
comms for bush work. Keep UHF CB for local stuff.

Mike Harding
Narelle - 28 May 2005 05:21 GMT
> I'm doing training on radio comms with the SES soon. It will be interesting
> to see what they use and how effective it is.

It may differ in Qld, but in NSW it's GRN capable UHF. Remoter areas use
HF or Sat phones.  You will find the training very easy; hardest part is
learning a few prowords and the phonetic alphabet if you don't already
know it.

 Also, I'm going to do 4wd
> training in thier Troopies which will be interesting too. I wonder what I've
> been doing wrong all these years (apart from driving crap cars)

Again, you will find it easy. It's more for insurance.  A lot of the
courses you will be more than capable of doing already; it's just that
you need The Right Piece Of Paper to say that you can do it.
Hope you are enjoying it.  Been on any jobs yet?

> I still remember speaking to the RACQ in Mt Surprise from The Lynnd in the
> Gulf on my UHF (120ks away) I'll run this by the comms expert when we do our
> training.

N
Jim - 28 May 2005 05:47 GMT
> > I'm doing training on radio comms with the SES soon. It will be interesting
> > to see what they use and how effective it is.
[quoted text clipped - 18 lines]
> >
> N

Oh he's always on "the job". heheheheh

Cheers
Jim
Barnsey - 29 May 2005 06:54 GMT
>> I'm doing training on radio comms with the SES soon. It will be
>> interesting to see what they use and how effective it is.
[quoted text clipped - 12 lines]
> need The Right Piece Of Paper to say that you can do it.
> Hope you are enjoying it.  Been on any jobs yet?

No, I wont be allowed to go on any jobs until I pass my basic training and
earn my boots, hard hat and spiffy orange overalls.At the moment, I'm a
"level one" member. After September, I become level two, and start training
in areas I'm interested in, which will be vertical rescue, road accident
retreval, radio comms, 4wd training, land search, navigation, land search,
flood boat operations, etc. I'll give catering and welfare a miss I think.
Evey course I do gives me a license or a certificate and it's all natioanlly
accredited TAFE qualifications. I'm hoping it will look good on my resume,
as I'm hatching an eveil plot to leave Qld Health and move from nursing into
OH&S or something similar So all this training is well worth while, as well
as lots of fun.

Townsville is the quietest SES in Qld, in terms of "activations" SEQ has
storms and missing tourists, FNQ has floods (and missing tourists) but NQ
only gets exciting when there's cyclones, which haven't hit Townsville for 5
years, a decent one since 1974 (?) Althea. .
kevcat - 29 May 2005 10:54 GMT
> I still remember speaking to the RACQ in Mt Surprise from The Lynnd in the
> Gulf on my UHF (120ks away) I'll run this by the comms expert when we do our
> training.

I did a bit of UHF DXing the other day
nothing special though
the person I spoke to can get the Bunya Mountains repeater from her
house near Bald Hills Brisbane
and I was at Dalby, a distance of around 200klms and I can still hear
this repeater out past Chinchilla

I am not sure of the range of this repeater but it would be 150klms from
Brisbane Nth and about the same to Chinchilla

Kev
Jim - 30 May 2005 09:34 GMT
> > I still remember speaking to the RACQ in Mt Surprise from The Lynnd in the
> > Gulf on my UHF (120ks away) I'll run this by the comms expert when we do our
[quoted text clipped - 11 lines]
>
> Kev
I was involved in some microwave networks using troposferic ducting in a
past life. We regularly passed commercial traffic up around 750-1000K with
excellent continuity.  It was quite secure from other ears, a big bonus.

Cheers
Jim
 
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