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Re: LF: MF: OP4 at 477 dial all 8 Minutes

To: [email protected]
Subject: Re: LF: MF: OP4 at 477 dial all 8 Minutes
From: Jochen Althoff <[email protected]>
Date: Fri, 9 Nov 2012 22:39:37 +0100
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Thanks,

i'll keep going on op4 for the whole night than. But we all should try to test op8 than probably tomorrow night?

73, Jochen


-= DF1VB =-
-= KH2MM=-
Jochen Althoff
+491712001068
[email protected]



Am 09.11.2012 um 22:27 schrieb Graham:

NO Don't  switch  !!!!!
 
The  Rx  stations  will  need  to  select  OP8   , and  many  will  be  unattended  and  will  not  decode ( the  early versions  where  dual   rx/speed  but  produced   too  many  false  decodes , so  separate pass  bands are  defined)
 
Better  to  post   in the   web group's   before  ,  then  monitors  will  be  set  OP8  
 
It is  possible to  run  X2   opera   one set  op4  and the  other  op8   for  Rx 
 
Tx , if using  the  audio  o/p , then  the  frequency  is  changed  to  the  other  pass  band  ( if  you  have  rx / tx  by   convertor  / sdr  , the  tx  carrier  is  placed a the  lowest  s/n point  in the  spectrum , to  prevent  collisions) 
 
G..

Sent: Friday, November 09, 2012 9:19 PM
Subject: Re: LF: MF: OP4 at 477 dial all 8 Minutes

Graham,

what do you think, shall i switch to OP8 now? Is't it so that the Programm is switching the rx automatically?
The OP4 / OP8 switch has only affect for the TX, or?

73, Jochen


-= DF1VB =-
-= KH2MM=-
Jochen Althoff
+491712001068
[email protected]



Am 09.11.2012 um 22:11 schrieb Graham:

At-25  with  Mal , that  was  with  4  watts  , shows at the  end of the  text  ,
 
-11 dB   is  back  with  65 watts 

20:46 477 DF1VB de G3KEV Op4 388 mi -11 dB in SCARBOROUGH with 65w + Inverted L

RX3DHR  is  monitoring  so  you  never know  , may  decode  later  in the  night ...  

OP8 has  never  been  tested  on 500  at any range , may  be  that's  something  that  could  be  tried  one  night .. ?

73 -G..


 

Sent: Friday, November 09, 2012 8:57 PM
Subject: Re: LF: MF: OP4 at 477 dial all 8 Minutes

Hi Graham, I think Jochen was back up at 65W at the time of the decode.
 
Best of luck,
Markus (DF6NM)
 

 
From: Graham
Sent: Friday, November 09, 2012 8:58 PM
Subject: Re: LF: MF: OP4 at 477 dial all 8 Minutes

19:56 477 DF1VB de G3KEV Op4 388 mi -25 dB in SCARBOROUGH with 4w + Inverted L 1

well   6 dB   1 watt  should  decode  <Emoticon1.gif>

Sent: Friday, November 09, 2012 9:03 PM
Subject: Re: LF: MF: OP4 at 477 dial all 8 Minutes

Well,

i can't turn down my tx more... 4w is lowest possible.
Now back to 65w...

Jochen

Sent: Friday, November 09, 2012 7:53 PM
Subject: Re: LF: MF: OP4 at 477 dial all 8 Minutes

One more try with 4w now ;-)
 
-= DF1VB =-
-= KH2MM=-
Jochen Althoff
+491712001068
[email protected]


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