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From: Laurence KL7 L <hellozerohellozero@hotmail.com>
To: "rsgb_lf_group@blacksheep.org" <rsgb_lf_group@blacksheep.org>
Date: Sun, 24 Nov 2013 16:33:21 -0900
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Subject: RE: LF: WE2XPQ OP32 136
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thanks Graham -=20

I was thinking more of the deep search side - the inner workings of the QRP=
LABS  DDS and PIC and how calibration is maintained whilst on constant carr=
ier is the concern. Cal is normally done in a key up period and Im not allo=
wing this to happen - so I reckon I may wander...may have to go back to the=
 HP3336b and key that - and only use the Ultimate 2 on WSPR etc - Im tracki=
ng it with the Fieldfox and I appear high. \

Hours pass...

Yep it wanders without the cal period - so Ive cranked up the HP3336b and w=
andered onto freq but now GPS locked (from 0120Z) so I really should be pha=
se steady. Id would use the word coherent except I cant spell it.

 I really hadnt considered the keying sidebands till Markus mentioned it=2C=
 but produces very pretty sidebands looking at dot 60 slow.=20

Running close to 600W output at this time but conditions still look poorish=
.  I keep wandering back into the shack - its like baby watching...just mak=
ing sure there are no flames. Actually this Deccas is nearly fool proof and=
 I ran it for  long time (weeks) at near full whack and didnt loose sleep. =
The station is nearly the same as it was in 2005..only the spiders have cha=
nged and Im now paying the house insurance and electricity bill :-)  ERP sh=
ould be around 2Wish at this time in the main lobe.

http://kl7l.com/KL7LSHACK.jpg


Laurence KL7L
From: g8fzk@g8fzk.fsnet.co.uk
To: rsgb_lf_group@blacksheep.org
Date: Mon=2C 25 Nov 2013 00:11:37 +0000
Subject: Re: LF: WE2XPQ OP32 136

=0A=
=0A=
=0A=
=0A=
=0A=
=0A=
=0A=
Laurence =0A=
 =0A=
Phase / stability  makes no difference to the Op =0A=
decoder  performance =2C guard  band  =0A=
for   OP64   is   100 mHz  =0A=
=2C   OP32   200 mHz  =2C very unlikely  to  =0A=
drop  within  200 mHz  ! =2C   1 Hz  =0A=
separation  at  OP64  could  hold  ~  8  =0A=
stations  =2C afc  will  track the  cross over's  =2C =0A=
plot  would  look like  Clapham junction .=0A=
 =0A=
Good  luck =2C 73-G=2C =0A=
 =0A=
 =0A=
=0A=

=0A=
=0A=
From: Laurence KL7 L =0A=
Sent: Sunday=2C November 24=2C 2013 10:14 PM=0A=
To: rsgb_lf_group@blacksheep.org =0A=
=0A=
Subject: LF: WE2XPQ OP32 136=0A=

=0A=
WE2XPQ testing Op 32  136kHz - think Ive got the PTT and =0A=
controls keying now using the Ultimate 2 drive source - will hopefully be u=
p to =0A=
600W in a few mins. Still driving the spiders out.=2C so will let things wa=
rm up =0A=
slowly - around 35A loop current. Will see if Im phase continuous - the Tx =
is =0A=
"on" all the time and Im just switching the RF drive=2C Im justnot  sure if=
 =0A=
the gps driven freq stab/corrections occur when in Ulitmates "transmit" =0A=
mode.   If so it may muck up the phase - We will see but Ive not seen =0A=
any transitions so far.

Laurence Kl7L Wasilla =0A=
Alaska
 		 	   		  =

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<body class=3D'hmmessage'><div dir=3D'ltr'>thanks Graham - <br><br>I was th=
inking more of the deep search side - the inner workings of the QRPLABS&nbs=
p=3B DDS and PIC and how calibration is maintained whilst on constant carri=
er is the concern. Cal is normally done in a key up period and Im not allow=
ing this to happen - so I reckon I may wander...may have to go back to the =
HP3336b and key that - and only use the Ultimate 2 on WSPR etc - Im trackin=
g it with the Fieldfox and I appear high. \<br><br>Hours pass...<br><br>Yep=
 it wanders without the cal period - so Ive cranked up the HP3336b and wand=
ered onto freq but now GPS locked (from 0120Z) so I really should be phase =
steady. Id would use the word coherent except I cant spell it.<br><br>&nbsp=
=3BI really hadnt considered the keying sidebands till Markus mentioned it=
=2C but produces very pretty sidebands looking at dot 60 slow. <br><br>Runn=
ing close to 600W output at this time but conditions still look poorish.&nb=
sp=3B I keep wandering back into the shack - its like baby watching...just =
making sure there are no flames. Actually this Deccas is nearly fool proof =
and I ran it for&nbsp=3B long time (weeks) at near full whack and didnt loo=
se sleep. The station is nearly the same as it was in 2005..only the spider=
s have changed and Im now paying the house insurance and electricity bill :=
-)&nbsp=3B ERP should be around 2Wish at this time in the main lobe.<br><br=
>http://kl7l.com/KL7LSHACK.jpg<br><br><br>Laurence KL7L<br><div><hr id=3D"s=
topSpelling">From: g8fzk@g8fzk.fsnet.co.uk<br>To: rsgb_lf_group@blacksheep.=
org<br>Date: Mon=2C 25 Nov 2013 00:11:37 +0000<br>Subject: Re: LF: WE2XPQ O=
P32 136<br><br>=0A=
=0A=
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<div><font face=3D"Arial">Laurence </font></div>=0A=
<div><font face=3D"Arial"></font>&nbsp=3B</div>=0A=
<div><font face=3D"Arial">Phase / stability&nbsp=3B makes no difference to =
the Op =0A=
decoder&nbsp=3B performance =2C guard&nbsp=3B band&nbsp=3B =0A=
for&nbsp=3B&nbsp=3B&nbsp=3BOP64&nbsp=3B&nbsp=3B is&nbsp=3B&nbsp=3B 100&nbsp=
=3BmHz&nbsp=3B =0A=
=2C&nbsp=3B&nbsp=3B OP32&nbsp=3B&nbsp=3B 200 mHz&nbsp=3B&nbsp=3B=2C very un=
likely&nbsp=3B to&nbsp=3B =0A=
drop&nbsp=3B within&nbsp=3B 200 mHz&nbsp=3B ! =2C&nbsp=3B&nbsp=3B 1 Hz&nbsp=
=3B =0A=
separation&nbsp=3B at&nbsp=3B OP64&nbsp=3B could&nbsp=3B hold&nbsp=3B ~&nbs=
p=3B 8&nbsp=3B =0A=
stations&nbsp=3B =2C afc&nbsp=3B will&nbsp=3B track the&nbsp=3B cross over'=
s&nbsp=3B =2C =0A=
plot&nbsp=3B would&nbsp=3B look like&nbsp=3B Clapham junction .</font></div=
>=0A=
<div><font face=3D"Arial"></font>&nbsp=3B</div>=0A=
<div><font face=3D"Arial">Good&nbsp=3B luck =2C 73-G=2C </font></div>=0A=
<div><font face=3D"Arial"></font>&nbsp=3B</div>=0A=
<div><font face=3D"Arial"></font>&nbsp=3B</div>=0A=
<div style=3D"FONT:10pt Tahoma=3B">=0A=
<div><br></div>=0A=
<div style=3D"BACKGROUND:#f5f5f5=3B">=0A=
<div style=3D""><b>From:</b> <a title=3D"mailto:hellozerohellozero@hotmail.=
com CTRL + Click to follow link" href=3D"mailto:hellozerohellozero@hotmail.=
com">Laurence KL7 L</a> </div>=0A=
<div><b>Sent:</b> Sunday=2C November 24=2C 2013 10:14 PM</div>=0A=
<div><b>To:</b> <a title=3D"rsgb_lf_group@blacksheep.org" href=3D"mailto:rs=
gb_lf_group@blacksheep.org">rsgb_lf_group@blacksheep.org</a> =0A=
</div>=0A=
<div><b>Subject:</b> LF: WE2XPQ OP32 136</div></div></div>=0A=
<div><br></div>=0A=
<div dir=3D"ltr">WE2XPQ testing Op 32&nbsp=3B 136kHz - think Ive got the PT=
T and =0A=
controls keying now using the Ultimate 2 drive source - will hopefully be u=
p to =0A=
600W in a few mins. Still driving the spiders out.=2C so will let things wa=
rm up =0A=
slowly - around 35A loop current. Will see if Im phase continuous - the Tx =
is =0A=
"on" all the time and Im just switching the RF drive=2C Im justnot&nbsp=3B =
sure if =0A=
the gps driven freq stab/corrections occur when in Ulitmates "transmit" =0A=
mode.&nbsp=3B&nbsp=3B If so it may muck up the phase - We will see but Ive =
not seen =0A=
any transitions so far.<br><br>Laurence Kl7L Wasilla =0A=
Alaska<br></div></div> 		 	   		  </div></body>
</html>=

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