Re: LF: LU1DOW soon in MF/LF

[Chris Wilson <dead.fets@gmail.com>]

Hello Luis,

Thanks  to  you and Oscar for sharing, that looks deliciously powerful
and dangerous, I am liking that a lot :)

I  wonder  what  Oscar  did  for  a  filament choke, could you ask him
please?

Monday, March 12, 2018, 9:53:14 AM, you wrote:

>   
>  
>  
> Hi All
>  
>  
>  
> Oscar, LU1DOW sent me some pictures and details of his station
> which would like to share. You can fin them in this Dropbox link
>  
> https://www.dropbox.com/sh/6kr0993et5r215s/AAAuQbq7R1iDKVAMF0oV3BIja?dl=0
>  
>  
>  
> He is picking the signal from IC756 PRO exciter stage at low level
> at 13.700 MHz. The signal is amplified and divided by 100 to get
>  
> the 137KHz and feed to a driver stage. Then a ceramic Tetrode
> 4CX1500A with 4KV voltage produces an antenna current of 8,6A at 1400 W
>  
> The antenna is an inverted L, 18m vertical and 20mx3wires
> horizontal. There is an additional loading coil at the top of the vertical 
> section
>  
>  
>  
> It’s being a hot summer in Buenos Aires. Not a good weather to work
> outside at the tower. Oscar is waiting for some shadow to
>  
> let him fine tune the aerial and go for Tx. Hope it will be soon
>  
>  
>  
> 73 de Luis
>  
> EA5DOM
>  
>  
>    


-- 
Best regards,
 Chris                            mailto:dead.fets@gmail.com