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References: [ +subject:/^(?:^\s*(re|sv|fwd|fw)[\[\]\d]*[:>-]+\s*)*LF\:\s+Re\:\s+QRSS\s+OP\s+WSPR\s*$/: 14 ]

Total 14 documents matching your query.

1. LF: Re: QRSS OP WSPR (score: 1): Author: <[email protected]>; Date: Fri, 27 Sep 2013 11:13:46 -0400; Stefan WSPR2 vs. OP4 http://www.w1vd.com/WSPROP4082312A.pdf . Basically, where WSPR2 showed solid copy OP4 had a number of misses. Test conditions: Transmit end: single transmitter, single antenna -; /rsgb_lf_group-archives/html/rsgb_lf_group/2013-09/msg00113.html (14,894 bytes)
2. RE: LF: Re: QRSS OP WSPR (score: 1): Author: Bob Raide <[email protected]>; Date: Fri, 27 Sep 2013 14:11:37 -0400; Stefan and Graham; I have a max power I can run if it is intermittent [as keyed cw] or keydown like WSPR. My transmitter will run keydown the same power on 73 kHz as keyed cw say 50% duty cycle. Plus; /rsgb_lf_group-archives/html/rsgb_lf_group/2013-09/msg00212.html (15,676 bytes)
3. RE: LF: Re: QRSS OP WSPR (score: 1): Author: "Clemens Paul" <[email protected]>; Date: Fri, 27 Sep 2013 20:51:29 +0200; Hi Stefan, ...Which would be an issue only in CW. If you are seriously interested in generating a key click free CW signal,there's an article about that in QST 5/97 and 6/97 dealing with class E amps; /rsgb_lf_group-archives/html/rsgb_lf_group/2013-09/msg00213.html (12,530 bytes)
4. RE: LF: Re: QRSS OP WSPR (score: 1): Author: Bob Raide <[email protected]>; Date: Fri, 27 Sep 2013 16:56:32 -0400; G; Not to worry. You pays you money and takes your choice. OP modes are easy to operate and easy on equipment. The keydown of WSPR 15 is tough on an amateur transmitter if run "balls to the wall". Th; /rsgb_lf_group-archives/html/rsgb_lf_group/2013-09/msg00214.html (15,012 bytes)
5. RE: LF: Re: QRSS OP WSPR (score: 1): Author: "Clemens Paul" <[email protected]>; Date: Fri, 27 Sep 2013 23:26:52 +0200; By Christmas(-hoiiday) at the latest, but I hope to finish earlier. It's only a time related problem,not a technical one.:-) 73 Clemens DL4RAJ; /rsgb_lf_group-archives/html/rsgb_lf_group/2013-09/msg00215.html (12,389 bytes)
6. Re: LF: Re: QRSS OP WSPR (score: 1): Author: "Graham" <[email protected]>; Date: Fri, 27 Sep 2013 17:07:33 +0100; Play slideshow View photos as a slideshow Play slideshow Save all photos Download and save high-resolution versions of these photos Save all photos With Windows Live Mail, you can save all of the pho; /rsgb_lf_group-archives/html/rsgb_lf_group/2013-09/msg00371.html (21,904 bytes)
7. Re: LF: Re: QRSS OP WSPR (score: 1): Author: Stefan Schäfer <[email protected]>; Date: Fri, 27 Sep 2013 19:12:11 +0200; G, Am 27.09.2013 18:07, schrieb Graham: Which , if you take into account , Opera is single tone on/off with app 50% duty cycle , self sync mode and wspr is a 4 mfsk externally time locked That doesn'; /rsgb_lf_group-archives/html/rsgb_lf_group/2013-09/msg00372.html (14,906 bytes)
8. Re: LF: Re: QRSS OP WSPR (score: 1): Author: Stefan Schäfer <[email protected]>; Date: Fri, 27 Sep 2013 21:29:13 +0200; Am 27.09.2013 20:51, schrieb Clemens Paul: [...] If you are seriously interested in generating a key click free CW signal,there's an article about that in QST 5/97 and 6/97 dealing with class E amps; /rsgb_lf_group-archives/html/rsgb_lf_group/2013-09/msg00373.html (13,241 bytes)
9. Re: LF: Re: QRSS OP WSPR (score: 1): Author: "Graham" <[email protected]>; Date: Fri, 27 Sep 2013 20:15:45 +0100; Engineering Engineering Engineering Another -3 dB at the Rx in this case is 1000 watts at the Tx 10 db = 10KW The advantages of Opera is that it works simple as that from shf to vlf with normal equip; /rsgb_lf_group-archives/html/rsgb_lf_group/2013-09/msg00374.html (17,470 bytes)
10. Re: LF: Re: QRSS OP WSPR (score: 1): Author: "Graham" <[email protected]>; Date: Fri, 27 Sep 2013 21:20:55 +0100; Its like Hitchcock's film 'The Birds' Fine and sunny one moment , the next a flock of Angry Birds descend and start pecking holes in the doors and any other 'soft target' Then silence again G, took 3; /rsgb_lf_group-archives/html/rsgb_lf_group/2013-09/msg00375.html (14,771 bytes)
11. Re: LF: Re: QRSS OP WSPR (score: 1): Author: Stefan Schäfer <[email protected]>; Date: Fri, 27 Sep 2013 21:44:58 +0200; Am 27.09.2013 21:15, schrieb Graham: [...] Opera was conceived , designed , tested on simple CW Tx's and crossed the Atlantic in 3 months [...] In 3 months? Is that OP-2592000 ?? Just kidding. It's a; /rsgb_lf_group-archives/html/rsgb_lf_group/2013-09/msg00376.html (13,631 bytes)
12. Re: LF: Re: QRSS OP WSPR (score: 1): Author: <[email protected]>; Date: Fri, 27 Sep 2013 20:14:31 -0400; G Given an available amount of PEP and a multimode transmitter WSPR wins. Get over it. Jay W1VD WD2XNS WE2XGR/2 WG2XSR/2 p.s. In this day and age with all of the hardware and software available, ther; /rsgb_lf_group-archives/html/rsgb_lf_group/2013-09/msg00377.html (19,171 bytes)
13. Re: LF: Re: QRSS OP WSPR (score: 1): Author: Warren Ziegler <[email protected]>; Date: Sat, 28 Sep 2013 09:17:01 -0400; ...Which would be an issue only in CW. If you are seriously interested in generating a key click free CW signal,there's an article about that in QST 5/97 and 6/97 dealing with class E amps which wou; /rsgb_lf_group-archives/html/rsgb_lf_group/2013-09/msg00378.html (14,318 bytes)
14. Re: LF: Re: QRSS OP WSPR (score: 1): Author: "Graham" <[email protected]>; Date: Sat, 28 Sep 2013 14:24:43 +0100; S/N has no real meaning in data transmission , the decode level is decided by various parameters , the channel b/w has no influence on the decode decision , other than to influence the analogue value; /rsgb_lf_group-archives/html/rsgb_lf_group/2013-09/msg00379.html (20,906 bytes)

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