Hi All, This is interesting stuff! Alan, G3NYK and I have had many discussions over the past few years along the lines of a transmitting equivalent of this idea. The basic premise is that it should b
Hi All, Would it not be better to use either ful AM or perhaps SSB for the links in order to retain the best possible dynamic range as my experience with cheap FM kit is the converse. g4gvw
Hi Stewart Maybe "lateral thinking" arising from your notes suggests that a form of "phase modulation" might therefore be possible? I need to think that one through with its implications. It's near m
AND to add to it all ! I am not an ex-BT man (but as Alan NYK will attest have worked within the system) It is not unknown for strange effects to be manifest at points where the copper network change
Absolutely John ! There was a very interesting junction of that nature in the centre of Ipswich at one time which was the location of a notorious intermittent in the landline of a local taxi firm's h
Hi Mike Bit of a delay in reading your query but hope this helps. My own experience is that if you are willing to transport the poles yourself (roof rack, rope, prominent marker flags front and rear
Lawrence, It does my old heart the world of good to know that there are still those who refer to well-known locations by their "well-kent" synonyms. Heathport Airow, Stanford Airsted, Paris Charles d
John, Interestingly, Alan G3NYK and I had some contact with a BBC person at a NPL Time & Frequency Club meeting a year or so ago. The subject under discussion between us at that time related to TV sy
Further "urban rumour" had some guy being prosecuted for "stealing electricity" ! However, I wonder how things stand if the guy down the street persistently throws stuff over your garden fence and do
Attitude! Attitude! Attitude! My own deeply held belief is that the genuine radio amateur is motivated by a deep curiosity. This curosity is centered around the concept of using radio as a primary me
A couple of years ago I old on ebay a portable transmitter and receiver set of WW1 era which comprised a "spark transmitter" which was simply a doorbelltype buzzer powered by a 4.5volt "cycle lamp" b
Hi all, As my final input into this debate it seems sad that these people feel the need to do this type of research and experiment at all. If the end purpose is to develop a technology to deal with,
Hi Dick, If as you say, this experiment could disrupt worldwide HF communications and broadcasting for perhaps a week by what right should they be allowed to do the work? The results would impinge on
Hi All, My copy is a 1946 and only Volume two has adverts which are from BTH, AVO, Mullard, Turner (instruments etc) Sankey (laminations - remember "Stalloy") Eddystone, Bulgin and Mycalex (wonder if
I have always understood "Isotropic" to be a hypothetical point source of no dimensions but capable of radiating the power fed to it as a sperical field with the source at its centre. 73 de Pat G4GVW
I may be about to demonstrate an "ignorance" here but it has always been my understanding that "field strength" also has to be defined as being that field potential that exists within a defined set o
