Re: VLF: Long time transmission on earth antenna

[Tony <ei8jk@o2.ie>]

Stefan,

Unfortunately nothing received here.

Looking forward to your next kite transmissions though, especially 6.4 KHz

73, Tony, EI8JK.


On 19/11/2010 09:14, Stefan Schäfer wrote:
> Dear VLF,
>
> It seems these batteries are not in best condition. The carrier got 
> weaker and weaker in the morning and disappeared arround 5 UTC.
> The SMPS that drives the PA is designed to generate its own 15 V 
> supply once it started to run. But if the input voltage falls below 
> 10V (or 9) it shuts down. Seems that this has happend... The batteries 
> have > 300 Ah in sum so it should have been no problem, actually...
> I assume no one except me has detected anything?
>
> BTW: The starting time was 15:30 UTC so the DFCW shift appeared at 
> 23:30 UTC
> 73, Stefan/DK7FC