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Total 15 documents matching your query.

1. RE: LF: 472 tonight (score: 1): Author: "Clemens Paul" <[email protected]>; Date: Thu, 29 May 2014 15:23:00 +0200; Just what most NDBs are using. 73 Clemens DL4RAJ; /rsgb_lf_group-archives/html/rsgb_lf_group/2014-05/msg00055.html (12,888 bytes)
2. RE: LF: 472 tonight (score: 1): Author: Rik Strobbe <[email protected]>; Date: Thu, 29 May 2014 13:17:30 +0000; Hi Stefan, A2A (or tone modulated AM). 73, Rik ON7YD - OR7T ________________________________________ Van: [email protected] [[email protected]] namens DK7FC [73dk7fc; /rsgb_lf_group-archives/html/rsgb_lf_group/2014-05/msg00056.html (12,306 bytes)
3. RE: LF: 472 tonight (score: 1): Author: "Clemens Paul" <[email protected]>; Date: Thu, 29 May 2014 19:46:57 +0200; No. :-) No. :-) See http://en.wikipedia.org/wiki/Types_of_radio_emissions#Type_of_modulation for further detailed information. 73 Clemens DL4RAJ; /rsgb_lf_group-archives/html/rsgb_lf_group/2014-05/msg00057.html (15,621 bytes)
4. Re: LF: 472 tonight (score: 1): Author: M0FMT <[email protected]>; Date: Wed, 28 May 2014 23:46:10 +0100 (BST); Hi Stefan es Christian (DK7FC es DF5QG) Thanks for a good evening lighting up 472. You were 599C Christian 599 at times never lost you once 10:15 to 11:10 PM UK time. CW too fast for me though not to; /rsgb_lf_group-archives/html/rsgb_lf_group/2014-05/msg00084.html (11,404 bytes)
5. Re: LF: 472 tonight (score: 1): Author: DK7FC <[email protected]>; Date: Thu, 29 May 2014 01:03:51 +0200; Hi Pete, Thanks for the reports :-) My Sender is a H Bridge, switching (up to) 320V DC. When producing the C signal, i'm using this special VFO: https://dl.dropboxusercontent.com/u/19882028/MF/630m%2; /rsgb_lf_group-archives/html/rsgb_lf_group/2014-05/msg00085.html (12,973 bytes)
6. Re: LF: 472 tonight (score: 1): Author: "Graham" <[email protected]>; Date: Thu, 29 May 2014 19:10:58 +0100; A3J used to be ssb no carrier a3j pilot tone , a3h am as in 1 side band full carrier at least that is as stencilled on my E5002 exciter I think the letters changed , some time back ? G, continuous ca; /rsgb_lf_group-archives/html/rsgb_lf_group/2014-05/msg00086.html (16,497 bytes)
7. Re: LF: 472 tonight (score: 1): Author: Richard Rogers <[email protected]>; Date: Fri, 30 May 2014 08:08:19 +1000; G'day, A2A might mean that now, but marine transmitters certainly keyed the carrier as well as the modulation. I have just been looking at the circuit for an AWA 300W "Pacific" transmitter circa 1950; /rsgb_lf_group-archives/html/rsgb_lf_group/2014-05/msg00087.html (17,022 bytes)
8. Re: LF: 472 tonight (score: 1): Author: "C. Groeger" <[email protected]>; Date: Thu, 29 May 2014 12:00:15 +0200; Hi Pete, Thanks for fine report! Here H bridge directly on mains and lw Ant 300 m long. Have some big GU81 tubes here and maybe you will hear them soon on MF :-) QRS is no problem, can use straight k; /rsgb_lf_group-archives/html/rsgb_lf_group/2014-05/msg00088.html (9,757 bytes)
9. Re: LF: 472 tonight (score: 1): Author: John Rabson <[email protected]>; Date: Thu, 29 May 2014 12:07:00 +0200; If you are going in for nostalgia, should you perhaps using MCW in that band? 73 John F5VLF; /rsgb_lf_group-archives/html/rsgb_lf_group/2014-05/msg00089.html (11,545 bytes)
10. Re: LF: 472 tonight (score: 1): Author: DK7FC <[email protected]>; Date: Thu, 29 May 2014 13:08:55 +0200; MCW ??? What is that? 73 Am 29.05.2014 12:07, schrieb John Rabson: If you are going in for nostalgia, should you perhaps using MCW in that band? 73 John F5VLF Hi Pete, Thanks for fine report! Here H; /rsgb_lf_group-archives/html/rsgb_lf_group/2014-05/msg00090.html (12,081 bytes)
11. Re: LF: 472 tonight (score: 1): Author: pa3abk <[email protected]>; Date: Thu, 29 May 2014 14:22:03 +0200; Seems you are very young at age :-) Earlier users were forced to use MCW on the calling freq in order to be heard by those stations who were not yet equipped with the "new" technology to receive A1 t; /rsgb_lf_group-archives/html/rsgb_lf_group/2014-05/msg00091.html (11,274 bytes)
12. Re: LF: 472 tonight (score: 1): Author: DK7FC <[email protected]>; Date: Thu, 29 May 2014 15:28:09 +0200; Hi Jan, Am 29.05.2014 14:22, schrieb pa3abk: Seems you are very young at age :-) No, i became 38 some days ago... Earlier users were forced to use MCW on the calling freq in order to be heard by thos; /rsgb_lf_group-archives/html/rsgb_lf_group/2014-05/msg00092.html (12,989 bytes)
13. Re: LF: 472 tonight (score: 1): Author: [email protected]; Date: Thu, 29 May 2014 16:33:11 +0000; Hi! Isn't the mode most NDB's use called A3A (tone modulation with continuous carrier). A3J again is "voice AM", continuous carrier modulated by speech or similar non-digital information such as musi; /rsgb_lf_group-archives/html/rsgb_lf_group/2014-05/msg00093.html (14,319 bytes)
14. Re: LF: 472 tonight (score: 1): Author: [email protected]; Date: Thu, 29 May 2014 18:29:24 +0000; Hi! OK, that was highly enlightening :-) So then, is threre a way to express the not so irrelevant difference between A2A unkeyed carrier and A2A keyed carrier using the current abbreviation rules? :; /rsgb_lf_group-archives/html/rsgb_lf_group/2014-05/msg00094.html (16,583 bytes)
15. Re: LF: 472 tonight (score: 1): Author: "Federico" <[email protected]>; Date: Thu, 29 May 2014 20:11:19 +0200; When I got my license in 1960 (last millennium), there were three modes: A1. - Keyed carrier A2 -. Keyed "AM-modulated tone" carrier A3 -. AM modulated transmission Multitude of modulation modes with; /rsgb_lf_group-archives/html/rsgb_lf_group/2014-05/msg00095.html (13,889 bytes)

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