when resistance I guess you mean "earth conductivity", which is the reverse of "earth resistance" and moves in the opposite way between summer and winter! 73 Costas SV1XV
To All from PA0SE There were some requests for info on the way I measured the earth resistance of my aerial system. In 1988 I made an impedance bridge with a noise source. In the first version of thi
To All from PA0SE Markus wrote: Though I normaly really dislike the cold weather (as does my 17-year-old Golf Diesel which is supposed to take me to work), the one good thing about frost is the impro
To All from PA0SE At 1126 UTC worked a new station: SM6BHZ. Name Gus, loc. JO57WQ. When we started I gave him RST 569 and received RST 439. Later his signal became weaker and a bit difficult to copy
Sri I made a mistake in the equation for L1; It should be L1 = L2 + L3 + 2k * square root L2 * L3 To M0WYE and All from PA0SE Hugh, M0WYE wrote: I've wound myself a coil on a bucket, the inductance i
To M0WYE and All from PA0SE Hugh, M0WYE wrote: I've wound myself a coil on a bucket, the inductance is a bit low at the moment, the whole thing resonates no lower than 250kHz at present - so I've som
To All from PA0SE Practical Wireless of January 2003 contains the following article: "Rugby Radio - Serving Britain For 75 Years", by Stan Brown, G4LU. In RadCom of February 2003 you will find: "A Cl
Correction: The URL should be http://www.alibris.com/). To All from PA0SE A useful internet site for used books is ALIBRIS (http://alibris.com/). I looked for a book on radar by Buderi: The Invention
To All from PA0SE A useful internet site for used books is ALIBRIS (http://alibris.com/). I looked for a book on radar by Buderi: The Invention that changed the world. The list price at the Internet
Well done, Alan! This is what I like: clever use of equipment that happens to be available. 73, Dick, PA0SE At 01:07 28-2-03 +0000, you wrote: Hi all, I thought this little episode might prove intere
Thanks Jim! A very nice and useful program. 73. Dick, PA0SE At 15:57 6-2-03 +0000, you wrote: Dear Peter, LF group, I have used a simple DOS program coil.exe (runs OK in windows DOS box) which can be
Perhaps Ray used the "Royal We". 73, Dick, PA0SE Sorry we don't speak French. Hello Ray, shouldn't that be "Sorry I don't speak French" ? A large number of "we" is not native English and I am sure th
Perhaps he used the "Royal We" 73, Dick, PA0SE At 10:20 27-3-03 +0100, you wrote: Sorry we don't speak French. Hello Ray, shouldn't that be "Sorry I don't speak French" ? A large number of "we" is no
Dear Mike, All times are UTC I presume. 73, Dick, PA0SE At 14:17 3-3-03 +0000, you wrote: I am now set up on 73kHz and have 1A into the antenna. I will beacon this evening 1800-1900 in case anyone wa
To All from PA0SE, After a CQ please listen to calls on 137kHz as well for a possible crossband QSO. 73, Dick, PA0SE At 22:47 2-3-03 +0000, you wrote: Dear all. As Alan mentioned in his mail about pr
Dear Jim, Please send me a copy of your paper. Thanks! 73, Dick, PA0SE At 12:44 30-4-03 +0100, you wrote: Dear LF Group, Thanks for the feedback on the tuning meter. Thanks to G3NYK who has pointed o
Dear Ian, After I obtained a battery fed selective level meter (W & G SPM-12) I prefer to use that for FS measurements together with a single turn untuned loop of 1 x 1 square metre because there is
Dear Ian, I cannot offer you an explanation. But to find out in which conductors earth current flows I use a home made clamp-on type of ammeter. It was described in Pat Hawker's Technical Topics in R
At 17:32 4-4-03 +0100, you wrote: Dear Brian, LF Group, At 04:46 01/04/2003 +0100, you wrote: Only slightly off topic, but about two years ago now someone described completing the screening on a Decc
To Laurence and All, Laurence, KL1X wrote: In looking at my LF Inverted L, and specifically the 3 wire top loading wires - I've a couple of questions... 1. I see a recommendation that the vertical pa