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Re: LF: EA5DOM back to MF, but QRP at the moment

To: "[email protected]" <[email protected]>
Subject: Re: LF: EA5DOM back to MF, but QRP at the moment
From: VIGILANT Luis Fernández <[email protected]>
Date: Sun, 29 Nov 2015 22:17:38 +0000
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In-reply-to: <264A69F3DD554992AF30B414DC560191@AGB>
References: <579355A36AEE9D4FA555C45D556003AB1B297FB5@servigilant.vigilant.local> <579355A36AEE9D4FA555C45D556003AB1B29811E@servigilant.vigilant.local>,<CC47F9FFBBAE44969349FF601A0CD118@AGB> <579355A36AEE9D4FA555C45D556003AB1B2984E1@servigilant.vigilant.local>,<C6E56E56F6BC46F38545A5318AE82763@AGB> <579355A36AEE9D4FA555C45D556003AB1B2985B2@servigilant.vigilant.local>,<264A69F3DD554992AF30B414DC560191@AGB>
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Thread-topic: LF: EA5DOM back to MF, but QRP at the moment
Well. Looks hard to believe but from my WSPR decodes I changed the power value to 0.05w
in the WSPR frame when Txing 20dBm. And the first frame transmitted was

2015-11-29 19:12   EA5DOM   0.475607   +5   0   IM98wn   0.05   EA5DOM-1   IM98xn   7   90

Then from 19:14 to 19:22 the Opera8 frame at 20dBm took place. That matchs with my own decode

19:22    477 EA5DOM de EA5DOM Op8 7 km -1 dB F:1%_End in Albir 1519,0 Hz

So R6LDD decoded Deep Search 2 minutes earlier than expected or may be he has not a synchronized PC clock
May be even he could not get the full frame. No fade info in the spot. But he spotted before my own spot !!

19:21    477 EA5DOM de R6LDD Op8 Deep Search ?? 3185 km -37 dB in NOVOROSSIYSK 1522,2 Hz

Unfortunately R6LDD went QRT and is actually not QRV. Very interesting spot and would worth to
get more than one :-)

73 de Luis
EA5DOM

De: [email protected] [[email protected]] en nombre de Graham [[email protected]]
Enviado: domingo, 29 de noviembre de 2015 22:44
Para: [email protected]
Asunto: Re: LF: EA5DOM back to MF, but QRP at the moment

Ok,Luis , 

 this was   5  watts  ?

19:21 477 EA5DOM de R6LDD Op8 Deep Search 1979 mi -37 dB in NOVOROSSIYSK 1522,2 Hz

This  20 dBm  ?

19:47 477 EA5DOM de EI8JK Op8 Deep Search 1014 mi -36 dB in Bantry, South West Ireland 1520.5 Hz

73-G,


Sent: Sunday, November 29, 2015 9:30 PM
Subject: Re: LF: EA5DOM back to MF, but QRP at the moment

That was the last QRO transmission with 5W Graham

Txing at 20dBm since 19:22 utc
Reports on my monitor from -1 to 0dB

So far not monitors in Opera at less than 1000Km

73 de Luis
EA5DOM

De: [email protected] [[email protected]] en nombre de Graham [[email protected]]
Enviado: domingo, 29 de noviembre de 2015 22:14
Para: [email protected]
Asunto: Re: LF: EA5DOM back to MF, but QRP at the moment

Luis ,
 
Are these   qro or  qrp   ?
 
73-G,

19:11 477 EA5DOM de G0NBD Op8 Deep Search 1037 mi -36 dB in WALLASEY 1520.0 Hz

19:11 477 EA5DOM de EB5EA Op8 Deep Search 71 mi -34 dB in IM99tn Moncada-Valencia 1522,7 Hz

19:10 477 EA5DOM de EI8JK Op8 1014 mi -32 dB F:14% in Bantry, South West Ireland 1520.5 Hz

19:21 477 EA5DOM de R6LDD Op8 Deep Search 1979 mi -37 dB in NOVOROSSIYSK 1522,2 Hz

19:47 477 EA5DOM de EI8JK Op8 Deep Search 1014 mi -36 dB in Bantry, South West Ireland 1520.5 Hz

19:46 477 EA5DOM de EA5DOM Op8 0 mi -1 dB F:1%_End in Albir 1519,0 Hz

 
 

Sent: Sunday, November 29, 2015 7:30 PM
Subject: Re: LF: EA5DOM back to MF, but QRP at the moment

Hi Graham, MF

Good idea. Let's see where is the imit

I have just connected the U3 directly to antenna. Have not measured power yet but may be under 500mW
I'm not using the 3xBS170 but a mosfet driver instead, ICL7667 if I can recall correctly

Spots in WSPR dropped to just the EA monitors

73 de Luis 
EA5DOM

De: [email protected] [[email protected]] en nombre de Graham [[email protected]]
Enviado: sábado, 28 de noviembre de 2015 21:53
Para: [email protected]
Asunto: Re: LF: EA5DOM back to MF, but QRP at the moment

Hi Luis
 
Nice going  for  5  watts,  but  -8 dB  with  75 % of the  signal  recovered ,  your  nearly  +30 over the  limit .. can you drop the  power down by  20 dB ?  say 50 mW ??
 
73-G,
 

20:46 477 EA5DOM de G3XKR Op8 -8 dB F:24% in BIDEFORD Devon

20:34 477 EA5DOM Op8 1520.0 Hz -28 dB |---------- - -- | Fade: 15%

20:23 477 EA5DOM Op8 Deep Search -35 dB 1520.0 Hz

20:22 477 SO5AS Op8 1496.1 Hz -27 dB |------------| Fade: 3%

20:10 477 EA5DOM Op8 1519.8 Hz -29 dB |---------- | Fade: 7%

 

Sent: Saturday, November 28, 2015 8:22 PM
Subject: LF: EA5DOM back to MF, but QRP at the moment

Hi MF

Back home !

Antenna is up again and I' transmitting with only 5W from a small PA

I will take the opportunity to install the 100W PA in the terrace, as originally planned

Txing WSPR and Opera8 every 12 minutes

73 de Luis
EA5DOM
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