Radio station coverage out bush..

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Radio station coverage out bush..

Post  Aussie Jason on Tue Apr 04, 2017 7:37 am

I head over to W.A. from the eastern states every season, in search of the yellow stuff.
I have a cheap AM/FM pocket radio, to listen to weather reports and football.
However, it only works when the sun goes down, (6pm-6am)
Can someone explain why it doesn't work in daylight. We camp about 50km from the nearest town.
confused Jason.

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Re: Radio station coverage out bush..

Post  pablop on Tue Apr 04, 2017 9:40 am

This due to what is called "skip" reception. Many years since I worked with this stuff, but basically the radio waves travel up into the ionosphere and are reflected back to earth when they hit the ionosphere at an acute angle. But the ionosphere goes up and down a bit with the day to night changes likely due to temperature changes. This allows the radio waves to reach further at night. You can also have multiple skips that allows a signal to go long distances.
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Re: Radio station coverage out bush..

Post  Minermike on Tue Apr 04, 2017 5:16 pm

The town 50 kms. away might not be the place the signals are coming from. Cheep radio/cd players are useless in the bush. A car radio or an old portable radio that was set up for use in the bush is the way to go.
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Re: Radio station coverage out bush..

Post  Minermike on Tue Apr 04, 2017 5:22 pm

I had a car radio set up in my caravan, the nearest station was 200 kms. away . I could always pick up ABC and Mt. Isa and Longreach commercial stations during the day.
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Re: Radio station coverage out bush..

Post  Aussie Jason on Wed Apr 05, 2017 6:11 am

Interesting. Thankyou for the info.

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Ionosphere.

Post  mungoman on Wed Apr 05, 2017 6:51 am

In The Olden Days (1975) I was living in Aldinga, South Australia, and at night time we'd constantly pick up Double J from Sydney...which pleased us no end.
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Re: Radio station coverage out bush..

Post  dryblower on Wed Apr 05, 2017 9:20 am

The older Eurovox car radios ( as fitted to holdens ) are one of the best for long range AM , and connected to a "Mobile One" AM airial , will easily get 100s of kays from the ABCs transmitters
The portable GE superadio of 80s vintage has excellent AM reception.
Later Barrett and Codan HF radios also have ABC and BBC AM bands fitted .
I'm not sure if the recent ABC shortwave cutbacks have affected these HF transmissions .

Cheers
DB

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Re: Radio station coverage out bush..

Post  Minermike on Wed Apr 05, 2017 4:54 pm

Use a cheap radio/cd player to play cd's in the bush. They can be picked up at charity shops for a few dollars . The best type is one that runs on 12 volt dc , you can then connect to a 12 volt car battery and not have to feed it batteries ! Charge your spare car battery with a solar panel.
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