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References: [ +subject:/^(?:^\s*(re|sv|fwd|fw)[\[\]\d]*[:>-]+\s*)*LF\:\s+JT4A\s+simple\s+guide\?\s*$/: 21 ]

Total 21 documents matching your query.

1. Re: LF: JT4A simple guide? (score: 1)
Author: "mal hamilton" <[email protected]>
Date: Sun, 24 Jan 2010 18:24:29 +0100
Stefan What loss ? Let me know when u want a QSO on cw 137. I have both LF and MF available for immediate QSO'S also xband for a qso if u like 73 de mal/g3kev Hi Mal, LF, That sounds good! So, you ca
/rsgb_lf_group-archives/html/rsgb_lf_group/2010-01/msg00046.html (25,359 bytes)

2. Re: LF: JT4A simple guide? (score: 1)
Author: "mal hamilton" <[email protected]>
Date: Sun, 24 Jan 2010 02:39:42 +0100
Stefan I have a selection of antennas here. In use at present for TX 1/4wave inv L up over 100 feet high and the rest horizontal, can also be used for RX. RX antenna is a 40metre vertical loop resona
/rsgb_lf_group-archives/html/rsgb_lf_group/2010-01/msg00096.html (22,714 bytes)

3. Re: LF: JT4A simple guide? (score: 1)
Author: Roger Lapthorn <[email protected]>
Date: Sat, 23 Jan 2010 16:52:16 +0000
73s Roger G3XBM On 23 January 2010 14:26, Andy Talbot <[email protected]> wrote: AFAIK The is no 'simple guide'   JT4x was never originally going to be one of Joe's supported modes, although
/rsgb_lf_group-archives/html/rsgb_lf_group/2010-01/msg00101.html (20,314 bytes)

4. Re: LF: JT4A simple guide? (score: 1)
Author: "mal hamilton" <[email protected]>
Date: Sat, 23 Jan 2010 20:34:53 +0100
Obviously not reading recent postings about no decodes from others although the signals are visible, like I said these signals are not onljy visible with me but audible so why complicate matters, jus
/rsgb_lf_group-archives/html/rsgb_lf_group/2010-01/msg00136.html (25,865 bytes)

5. Re: LF: JT4A simple guide? (score: 1)
Author: "mal hamilton" <[email protected]>
Date: Sat, 23 Jan 2010 19:54:23 +0100
I still see these data signals as a waste of time since had the carrier been keyed I could read them 100% without having to wait for the right circumstance to get a decode, no need for level 2 demodu
/rsgb_lf_group-archives/html/rsgb_lf_group/2010-01/msg00165.html (21,778 bytes)

6. Re: LF: JT4A simple guide? (score: 1)
Author: "mal hamilton" <[email protected]>
Date: Sun, 24 Jan 2010 15:20:56 +0100
I have already had a CW QSO with you and your 1mW. You congratulated me on my good ears. I worked G7NKS with his mW tx this morning on CW for the second time although only S1 I copied all his informa
/rsgb_lf_group-archives/html/rsgb_lf_group/2010-01/msg00200.html (30,056 bytes)

7. LF: JT4A simple guide? (score: 1)
Author: Roger Lapthorn <[email protected]>
Date: Sat, 23 Jan 2010 13:48:49 +0000
Having looked on the WSJT website there is little (no?)  reference to JT4A in the help files. I assume it is similar to modes like JT6M which I have managed to receive in the past on 50MHz but never
/rsgb_lf_group-archives/html/rsgb_lf_group/2010-01/msg00349.html (10,424 bytes)

8. Re: LF: JT4A simple guide? (score: 1)
Author: Roger Lapthorn <[email protected]>
Date: Sat, 23 Jan 2010 19:17:10 +0000
I still see these data signals as a waste of time since had the carrier been keyed I could read them 100% without having to wait for the right circumstance to get a decode, no need for level 2 demod
/rsgb_lf_group-archives/html/rsgb_lf_group/2010-01/msg00384.html (24,960 bytes)

9. Re: LF: JT4A simple guide? (score: 1)
Author: Roger Lapthorn <[email protected]>
Date: Sat, 23 Jan 2010 20:15:44 +0000
Obviously not reading recent postings about no decodes from others although the signals are visible, like I said these signals are not onljy visible with me but audible so why complicate matters, ju
/rsgb_lf_group-archives/html/rsgb_lf_group/2010-01/msg00402.html (29,690 bytes)

10. Re: LF: JT4A simple guide? (score: 1)
Author: "mal hamilton" <[email protected]>
Date: Sat, 23 Jan 2010 21:51:07 +0100
I also mentioned QRS which you conveniently forgot about. Why would I struggle with 1mW when I am permitted 10Watts G3KEV -- Original Message -- From: [email protected] Roger Lapthorn To: rsgb_
/rsgb_lf_group-archives/html/rsgb_lf_group/2010-01/msg00457.html (30,054 bytes)

11. Re: LF: JT4A simple guide? (score: 1)
Author: Gary - G4WGT <[email protected]>
Date: Sat, 23 Jan 2010 15:28:57 +0000
  http://www.physics.princeton.edu/pulsar/K1JT/WSJT_User_600.pdf  http://www.physics.princeton.edu/pulsar/K1JT/wsjt.html http://www.physics.princeton.edu/pulsar/K1JT/JT2_JT4.TXT   Its still debatable
/rsgb_lf_group-archives/html/rsgb_lf_group/2010-01/msg00463.html (18,464 bytes)

12. Re: LF: JT4A simple guide? (score: 1)
Author: Andy Talbot <[email protected]>
Date: Sat, 23 Jan 2010 16:38:11 +0000
After posting that, I realised the JT4 PIC/DDS beacon code is designed for 100% duty cycle operation, viz JT4, CW + carrier, which is a bit antisocial (certainly the wide bandwidth CW bit).  And more
/rsgb_lf_group-archives/html/rsgb_lf_group/2010-01/msg00488.html (19,091 bytes)

13. Re: LF: JT4A simple guide? (score: 1)
Author: John P-G <[email protected]>
Date: Sat, 23 Jan 2010 21:40:30 +0000
And your point is...? Perhaps the idea so to go further afield than Scarborough?
/rsgb_lf_group-archives/html/rsgb_lf_group/2010-01/msg00496.html (10,209 bytes)

14. Re: LF: JT4A simple guide? (score: 1)
Author: Roger Lapthorn <[email protected]>
Date: Sat, 23 Jan 2010 21:20:46 +0000
There cannot be a time when JT4 or WSPR will be received and not QRS because the trace is always visible long before a data decode. There has never been a case of an INVISIBLE trace and a data decod
/rsgb_lf_group-archives/html/rsgb_lf_group/2010-01/msg00621.html (34,110 bytes)

15. Re: LF: JT4A simple guide? (score: 1)
Author: "mal hamilton" <[email protected]>
Date: Sat, 23 Jan 2010 22:08:50 +0100
There cannot be a time when JT4 or WSPR will be received and not QRS because the trace is always visible long before a data decode. There has never been a case of an INVISIBLE trace and a data decode
/rsgb_lf_group-archives/html/rsgb_lf_group/2010-01/msg00661.html (30,278 bytes)

16. Re: LF: JT4A simple guide? (score: 1)
Author: John P-G <[email protected]>
Date: Sat, 23 Jan 2010 21:45:20 +0000
Would you like to place a small wager on this statement? J
/rsgb_lf_group-archives/html/rsgb_lf_group/2010-01/msg00696.html (11,374 bytes)

17. Re: LF: JT4A simple guide? (score: 1)
Author: Andy Talbot <[email protected]>
Date: Sat, 23 Jan 2010 14:26:57 +0000
AFAIK The is no 'simple guide'   JT4x was never originally going to be one of Joe's supported modes, although after our extensive use on uWaves it certainly is now.   JT65x was the more popular and d
/rsgb_lf_group-archives/html/rsgb_lf_group/2010-01/msg00718.html (15,377 bytes)

18. Re: LF: JT4A simple guide? (score: 1)
Author: "mal hamilton" <[email protected]>
Date: Sat, 23 Jan 2010 16:41:03 +0100
Only one wspr sig present, no jt4 at present g3kev -- Original Message -- From: [email protected] Gary - G4WGT To: [email protected] [email protected] Sent: Saturday, January
/rsgb_lf_group-archives/html/rsgb_lf_group/2010-01/msg00738.html (19,017 bytes)

19. Re: LF: JT4A simple guide? (score: 1)
Author: John P-G <[email protected]>
Date: Sat, 23 Jan 2010 21:54:45 +0000
Oh for goodness sake....!? Surely the point it is to find - and then extend - the limit? Otherwise you would just pick up the telephone or write a letter....
/rsgb_lf_group-archives/html/rsgb_lf_group/2010-01/msg00741.html (11,907 bytes)

20. Re: LF: JT4A simple guide? (score: 1)
Author: Roger Lapthorn <[email protected]>
Date: Sat, 23 Jan 2010 14:43:09 +0000
  http://www.physics.princeton.edu/pulsar/K1JT/WSJT_User_600.pdf  http://www.physics.princeton.edu/pulsar/K1JT/wsjt.html http://www.physics.princeton.edu/pulsar/K1JT/JT2_JT4.TXT   Its still debatable
/rsgb_lf_group-archives/html/rsgb_lf_group/2010-01/msg00827.html (17,061 bytes)


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