[OZAPRS] HF frequency drift reports ...?

[David and Justine Olsen]

I used to work in a Seismograph station VNG played all morning to sync the data



On 30/06/2011, at 10:24 PM, Dave Horsfall wrote:

> On Thu, 30 Jun 2011, Gerard Hill wrote:
> 
>> Oh and Dave, I miss VNG too. Used to use 7.5 MHz reference a lot.
> 
> When I switched my "trannie" to SW back when I was a sprout, I heard this
> funny ticking sound, that changed around the hour.  I was hooked :-)
> 
> I hope that someone somewhere has a recording of VNG.
> 
> -- Dave
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