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Re: LF: G8HUH TF3HZ 2200m OPERA 1808 km 02:55:27

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Subject: Re: LF: G8HUH TF3HZ 2200m OPERA 1808 km 02:55:27
From: "Graham" <[email protected]>
Date: Thu, 25 Jul 2013 21:43:17 +0100
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Good  going , still  light  at the  moment  this end !
 
G..
 

20:37 136 SV8CS de GW0EZY Op32 1546 mi -36 dB in Welshpool IO82HO with 0.1w + Ma


 
Sent: Thursday, July 25, 2013 8:06 PM
Subject: Re: LF: G8HUH TF3HZ 2200m OPERA 1808 km 02:55:27

Graham,

Looks like about 3.5 watts DC input (3 watts RF out) is lowest I can measure.

I will send one ping starting at 19:15 utc with Op32.

73, Gary- G4WGT.


On 25/07/2013 19:24, Graham wrote:
Not  bad  !  you  could  try  one   ping  with      , say  1  watt   dc input  ?  GW0EZY  is  showing as  Rx , I am  also  now  rx  op32
 
.. thats  if you  can   reduce to  that  level ? ?  
 
G..
 

Sent: Thursday, July 25, 2013 7:10 PM
Subject: Re: LF: G8HUH TF3HZ 2200m OPERA 1808 km 02:55:27

Hi Graham,

I carried out the RF output measurment today for the Class D Tx & the result is......

For PA 80 watts DC input the RF output is 72 watts.

73, Gary - G4WGT.


On 25/07/2013 17:21, Graham wrote:
R   Gary
 
Well  that  would  be  1  watt  dc  input  for  the  day light  decodes  ? that  would   re-write  the  book  of  Ae  amps   !
 
will  set  up    rx  again  
 
73 -G.

Sent: Thursday, July 25, 2013 11:15 AM
Subject: Re: LF: G8HUH TF3HZ 2200m OPERA 1808 km 02:55:27

Graham,

>>>>could  it  be  reduced  by  x 100  ?

The Class D Tx PA was running at 80 watts DC input last night, I will test RF out at that level later & post the result.

73, Gary - G4WGT


On 24/07/2013 22:13, Graham wrote:


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