[OZAPRS] APRS Tracker

Ray Wells vk2tv at exemail.com.au
Wed Dec 1 14:59:00 EST 2010


And the bloke in charge was Blind Freddy.

Ray vk2tv

On 30/11/10 21:14, Terry Neumann wrote:
>
> I have seen a few "FREDs" around over the years.  None of them had 
> even a faint resemblance to any of the others.  I even built a few myself.
>
> FRED is a very versatile and variable species.     In my experience, 
> the most spectacular was a pneumatically operated binary clock 
> controlled by a FRED which changed time every x seconds by opening and 
> closing a series of Venetian blinds - all done with air operated 
> pistons.  The whole system took up the area of the average house 
> block, and was to be photographed by glider pilots from and altitude 
> of 3,300 feet before starting a race to give them a correct starting 
> time from a common clock (FRED).    It was designed and built by a 
> very enterprising farmer.   These days it's all done with a GPS logger 
> in each aircraft.
>
> Some would say some of my APRS systems resemble a FRED.  I would take 
> that as a compliment.
>
> 73
> Terry
>
>
>
>
> On 30/11/2010 7:52 PM, Ray Wells wrote:
>> Censored version ..
>>
>> Flamin' Ridiculous Electronic Device
>>
>> Ray vk2tv
>>
>> On 30/11/10 18:22, Shaun wrote:
>>> On Tue, 30 Nov 2010 11:08:17 Ray Wells wrote:
>>>> This is all a bit OT but an interesting history of how it used to be.
>>>>
>>>> FRED was interesting in that it used just 292khz separation. I don't
>>>> remember the exact history but when 2m FM started up in Sydney the
>>>> primary channel was 146.000MHz, known as Ch B.
>>> Dare I ask what FRED stands for?
>>>
>>> We use a similar term at work ending in Ridiculous Electronic Device
>>>
>>> Shaun
>>> _______________________________________________
>>> OZAPRS mailing list
>>> OZAPRS at aprs.net.au
>>> http://lists.aprs.net.au/mailman/listinfo/ozaprs
>>>
>>
>
>
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