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HF Portable Receivers

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Created by wongaga > 9 months ago, 12 Dec 2009
wongaga
VIC, 665 posts
12 Dec 2009 3:28PM
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I've heard these can be handy for weather updates if you're out of VHF range for a short while (obviously a long while would mean you'd invest in a full HF transceiver set-up). Tandy and such places sell them reasonably cheaply.

Anyone used one, good or bad?

cisco
QLD, 12365 posts
12 Dec 2009 11:51PM
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Graeme,
It used to be that most transistor radios had 3 or 4 seperate bands.

The standard 1970s 3 band radio had FM/MWand SW.

FM= Frequency Modulated, MW=Medium Wave or AM band reception and SW=Short Wave or High Frequency reception.

The radios with a single SW Band tended to be limited in the band width but were able to pick up the ABC "Radio Australia" foreign transmissions among other things such as "Co-ordinated Universal Time Signals" (eg a recorded voice latched into the transmission would say "At the tone it will be 21 hundred hours, forty three minutes and thirty seconds. Blip, blip, blip, BLEEEP.")

These signals are very handy for anyone using a sextant, nautical almanac and chronometer for offshore navigation. Accuracy of recorded time of sightings is vital for this method of navigation.

The advent, accuracy and reliability of the Global Positioning System has fairly much put that method out of practise.

A problem with the older radios with a manual tuning dial was that the radio would tend to drift off the tuning and many were fitted with a fine tuner.

That type of radio has come back into popularity as have turntables for playing vinyl records. However the newer radios mostly have a digital tuner which allows you to tune into a specific frequency with accuracy and the tuner will hold the signal better.

In answer to your question; yes these receivers can be handy for receiving "scheduled" (skeds) weather information transmissions. For the radio receiver to be of any use to you for getting that information you do need to know the time of the skeds and the frequency on which they will be transmitted.

You can get that information from the Department of Transport and Communications or the Australian Maritime Safety Authority.

Aldi recently advertised such a radio recently for about $40 and as you say Tandy and Dick Smith have them also. For $40 to $140 they are a fairly handy thing to have aboard but only of use if you know HOW to use it.

If you are going to buy one I recommend getting one that is capable of being powered from an external DC power supply as well as internal batteries.

I hope this information helps you. Cheers Cisco.

djarrak
13 posts
14 Dec 2009 7:16AM
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Hi. I have been using a Sangean ATS 505 ssb receiver which i bought at dick smith's in Darwin about 3 years ago. I can't remember the cost. I have used it down the WA coast and am currently in NSW. I have rigged a semi-permanent external wire antenna and the reception for receiving coastal weather is very reliable. It can pick up fm broadcasts clearly when the other trannies on board are struggling. I can recommend that particular radio, I'm informed that it is a good brand. I am sure there are others also available. Good luck!

wongaga
VIC, 665 posts
14 Dec 2009 8:44PM
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Thanks djarrak. Since I won't be out of VJF range for very long in BS, I can't justify $1000's for a HF which will be used a few days a year at most, and this sounds like a good way to go.



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"HF Portable Receivers" started by wongaga