To my friends and the friends of my friends. My name is Rosa and I hope that you don't smoke but, if you do, I found a really hot deal on this page...
rolova@...
Mar 13, 2001 10:40 am
64
The Times the other day carried a long obituary of Shannon. He developed information theory, important in the digital age of course. I think he must have been...
Geoffrey Walsh
geoffrey.walsh@...
Mar 14, 2001 6:18 pm
65
The Times the other day carried a long obituary of Shannon. He developed information theory, important in the digital age of course. I think he must have been...
Geoffrey Walsh
geoffrey.walsh@...
Mar 14, 2001 6:19 pm
66
The heyday of commercial Morse sent with straight keys had passed long before the present era of the compensation culture was under way. Operators were liable...
Geoffrey Walsh
geoffrey.walsh@...
Apr 4, 2001 5:13 am
67
The Times yesterday carried a fairly long obituary of Bruno Cavalieri Ducati The name, Ducati, is of course associated with motor cycles and mopeds but with...
Geoffrey Walsh
geoffrey.walsh@...
May 27, 2001 6:48 am
68
Hi, ... The company produced valves as well, apparrently, and other electrical goods. With Il Duce wanting to get a radio into every household in Italy, the ...
Stan Barr
stanb@...
May 27, 2001 9:57 am
69
Hi, all Please note that my e-mail address is now dwbrown@... . This will also become the e-mail address for Transmitting. I'll still receive mail sent...
David Brown
dwbrown@...
May 27, 2001 6:20 pm
70
Can anybody help with the above Rx. There is no manufacturers data at all. It has 7 valves (2 Acorn type) and 2 glass diodes. It covers 45 - 125 MHz. There is...
a.j.dailey@...
Jun 14, 2001 5:39 pm
71
Union 'Narodny credit'. This credit union pay annual 36%. Keep in mind. http://www.all-lolitas.com/cgi-bin/out.cgi?credit ...
Maya Dron
maya_roxxy@...
Jul 11, 2001 1:45 pm
72
In the thirties there were many fewer signals on short waves. Compared with now the stations were low powered. In the UK hams were allowed to use only 10 watts...
Geoffrey Walsh
geoffrey.walsh@...
Jul 12, 2001 5:53 am
73
Many years ago, I read about formal experiments on this phenomenon, conducted in the 30s, on which it was reported that echoes were received back minutes later...
Zyg Nilski
zyg@...
Jul 13, 2001 8:50 am
74
Hi, ... Yes, "Long Delayed Echos", I remember the artcle too...I'll take a look as well. -- Cheers and 73, Stan Barr G0CLV G-QRP 3369 g0clv@... ...
Stan Barr
stanb@...
Jul 13, 2001 7:14 pm
75
Many thanks Stan Getting the terminology right makes a big difference. I entered "Long Delayed Echoes" on the Google search engine ...
Zyg Nilski
zyg@...
Jul 13, 2001 10:54 pm
76
Zyg has sent a message about echoes coming after minutes. The ones I was writing about had delays of a fraction of a second. The implication is that there are...
Geoffrey Walsh
geoffrey.walsh@...
Jul 14, 2001 4:33 am
77
Hi, ... These short echos are still sometimes observable. A few years ago I heard a Welsh radio amateur, about 100 miles from me, on 14MHz with an echo that...
Stan Barr
stanb@...
Jul 14, 2001 12:17 pm
78
Stan has reported this eccho on 14 Mhz. I suppose the weak first signal will have been the ground wave, at 100 miles heavily attenuated, and the echo will have...
Geoffrey Walsh
geoffrey.walsh@...
Jul 14, 2001 2:04 pm
79
... I used to keep 2 logs, a transmitting log and an swl one, this was, I think, in the swl one otherwise I'd have tried to go back to him and I couldn't find ...
Stan Barr
stanb@...
Jul 15, 2001 7:40 am
80
With an estimated delay of a tenth of a second it sounds as though the echo signal had gone round the globe Geoff ... From: "Stan Barr" <stanb@...> ...
Geoffrey Walsh
geoffrey.walsh@...
Jul 15, 2001 10:10 am
81
... That's what I though at the time. Maybe some form of grey-line transmission given the time, close to sundown here. -- Cheers, Stan Barr...
Stan Barr
stanb@...
Jul 15, 2001 4:35 pm
82
I sometimes buy a Unitarian paper 'The Inquirer'. In a recent issue there is a delighful article but I wonder about the authenicity of one section which...
Geoffrey Walsh
geoffrey.walsh@...
Jul 17, 2001 7:06 pm
83
... As I recall it, Galvani noticed the twitching of a frogs muscles when a nerve was touched with one metal, and the muscle with another, both metals being in...
Stan Barr
stanb@...
Jul 18, 2001 7:31 am
84
... (Embedded image moved to file: pic05314.pcx) From: Ross Muir On: 18/08/2001 18:30:50 To: Museum-of-communication@yahoogroups.com cc: Subject: Disposal...
Ross Muir
ross.muir@...
Aug 24, 2001 11:11 am
85
I have had an inquiry from a radio ham, Bill Turner, call sign GM2HDH. He is interested in the history of Portobello. For those on the list who do not know...
Geoffrey Walsh
geoffrey.walsh@...
Sep 13, 2001 5:14 pm
86
Hi, A little while ago there was some discussion in this group about Long Delayed Echos. While looking for something in "Technical Topics 1995- 1999" - that...
Stan Barr
stanb@...
Sep 17, 2001 10:01 pm
87
There is to be a special stamp issued soon to commemorate Marconi's radio contact with North America, the date is in December. The Royal mint will be issuing...
Geoffrey Walsh
geoffrey.walsh@...
Sep 22, 2001 7:27 am
88
Hi, ... I'll try my best... ... Spark. ... Various frequencies have been quoted, but H.M.Dowsett, one of Marconi's enginees ais in 1923 "the transmitter power...
Stan Barr
stanb@...
Sep 22, 2001 11:33 am
89
Marconi's Atlantic Leap, In a recently published book entitled Marconi's Atlantic Leap (by Gordon Bussey ISBN 0-95389-670-6) the transmitter is described as a...
Ross Muir
ross.muir@...
Sep 24, 2001 8:44 am
90
In a message dated 22/09/01 08:28:22 GMT Daylight Time, ... Like Ross Muir, I suggest you get hold of the book 'Marconi's Atlantic Leap'. It focuses on the...
rshivas@...
Sep 24, 2001 3:31 pm
91
Thank you for thje suggestion but - I have 'Marconi's Atlantic Leap' but the information I sought is not in it GW ... From: rshivas@... To:...
Geoffrey Walsh
geoffrey.walsh@...
Sep 24, 2001 5:11 pm
92
There is a very good web site:- WWW.marconicalling.com which has a lot of archive material on Marconi. For example there is photograph entitled ...
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