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References: [ +subject:/^(?:^\s*(re|sv|fwd|fw)[\[\]\d]*[:>-]+\s*)*LF\:\s+what\s+causes\s+this\s+on\s+wspr\s*$/: 13 ]

Total 13 documents matching your query.

1. LF: what causes this on wspr (score: 1)
Author: "Graham" <[email protected]>
Date: Wed, 1 Jul 2015 17:24:47 +0100
what causes this on wspr This takes some doing ...... but how to do it ? G, Attachment: Overmod110813.jpg Description: JPEG image
/rsgb_lf_group-archives/html/rsgb_lf_group/2015-07/msg00006.html (9,325 bytes)

2. Re: LF: what causes this on wspr (score: 1)
Author: Andy Talbot <[email protected]>
Date: Wed, 1 Jul 2015 17:33:44 +0100
what causes this  on wspr   This  takes  some  doing  ...... but  how  to  do  it  ?   G,
/rsgb_lf_group-archives/html/rsgb_lf_group/2015-07/msg00008.html (10,844 bytes)

3. Re: LF: what causes this on wspr (score: 1)
Author: John Langridge <[email protected]>
Date: Wed, 1 Jul 2015 16:38:44 +0000 (UTC)
what causes this on wspr This takes some doing ...... but how to do it ? G,
/rsgb_lf_group-archives/html/rsgb_lf_group/2015-07/msg00009.html (11,665 bytes)

4. Re: LF: what causes this on wspr (score: 1)
Author: John Langridge <[email protected]>
Date: Wed, 1 Jul 2015 16:37:00 +0000 (UTC)
what causes this on wspr This takes some doing ...... but how to do it ? G,
/rsgb_lf_group-archives/html/rsgb_lf_group/2015-07/msg00010.html (11,941 bytes)

5. Re: LF: what causes this on wspr (score: 1)
Author: "Graham" <[email protected]>
Date: Wed, 1 Jul 2015 17:58:24 +0100
Hi Andy Problem there is it lasts , what seems to be the full duration of the data phase [ phase as a change from cw to data .. etc ] wspr via a ssb rig , overdriving usually produces , harmonic side
/rsgb_lf_group-archives/html/rsgb_lf_group/2015-07/msg00011.html (12,161 bytes)

6. Re: LF: what causes this on wspr (score: 1)
Author: Andy Talbot <[email protected]>
Date: Wed, 1 Jul 2015 18:22:27 +0100
Hi Andy   Problem there  is  it  lasts  , what  seems  to  be  the  full  duration  of the  data  phase  [ phase as  a change  from  cw  to data .. etc ]   wspr  via a  ssb  rig ,  overdriving  usua
/rsgb_lf_group-archives/html/rsgb_lf_group/2015-07/msg00012.html (13,853 bytes)

7. Re: LF: what causes this on wspr (score: 1)
Author: "Graham" <[email protected]>
Date: Wed, 1 Jul 2015 19:48:54 +0100
I don't think its stability Andy , could be step response and settling time , the new U3 kit uses a PLL and produces , what was thought to be key click's but is PLL settling time , out of lock detect
/rsgb_lf_group-archives/html/rsgb_lf_group/2015-07/msg00013.html (15,350 bytes)

8. Re: LF: what causes this on wspr (score: 1)
Author: "Graham" <[email protected]>
Date: Wed, 1 Jul 2015 19:56:30 +0100
Tnx John The over drive option has a flaw ,as far as I can see , as to where the frequency spacing of the side bands originates , yes, psk31 , over driven produce's IMD but wspr is a single phase con
/rsgb_lf_group-archives/html/rsgb_lf_group/2015-07/msg00014.html (12,556 bytes)

9. Re: LF: what causes this on wspr (score: 1)
Author: Andy Talbot <[email protected]>
Date: Wed, 1 Jul 2015 19:58:21 +0100
I don't think  its  stability Andy  ,  could  be step  response and  settling  time ,   the  new  U3 kit   uses  a  PLL and produces  , what was thought to  be  key  click's  but  is  PLL   settling
/rsgb_lf_group-archives/html/rsgb_lf_group/2015-07/msg00015.html (17,450 bytes)

10. Re: LF: what causes this on wspr (score: 1)
Author: g3zjo <[email protected]>
Date: Wed, 01 Jul 2015 21:10:15 +0100
Hi G You ask the question as if you know the answer. Again. Hilary Briss is the Butcher in Royston Vasey. Are you the RX station in the WSPR X capture?  I ask because the transmission started off nor
/rsgb_lf_group-archives/html/rsgb_lf_group/2015-07/msg00016.html (10,839 bytes)

11. Re: LF: what causes this on wspr (score: 1)
Author: "Graham" <[email protected]>
Date: Wed, 1 Jul 2015 21:45:19 +0100
Hi Ed, Andys email might of been slightly miss directed , however , the image comes from down under and we don't have the angle on who the tx is or the Rx type The signal causes '' I am getting multi
/rsgb_lf_group-archives/html/rsgb_lf_group/2015-07/msg00017.html (12,514 bytes)

12. Re: LF: what causes this on wspr (score: 1)
Author: John Langridge <[email protected]>
Date: Wed, 1 Jul 2015 22:12:07 +0000 (UTC)
? When I am transmitting and subsequently overloading the SDR, yes. It has similar, regular spaced sidebands away from the center freq. In fact, if you go to my QRZ page bio, the topmost picture is
/rsgb_lf_group-archives/html/rsgb_lf_group/2015-07/msg00018.html (15,572 bytes)

13. Re: LF: what causes this on wspr (score: 1)
Author: "wensauer" <[email protected]>
Date: Tue, 4 Aug 2015 18:14:19 +0200
I guess, the TX is not xmitting a clean sin wave - or Signal is overdriving ur monitoring RX I am using Ultimate 3 times Bs170, QRG 475,700 Khz Uwe From: [email protected] Graham Sent: Wednesda
/rsgb_lf_group-archives/html/rsgb_lf_group/2015-08/msg00011.html (9,377 bytes)


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