Hi Andy, Thanks for the explanation. As I am sure you know HellSchreiber, means Bright Writer, which this certainly is. I thought it was because it was invented by Dr. Hell. A rare German pun, perhap
Mitch VE3OT wrote that HellSchreiber is named after the inventor, Dr. Hell. You are of course right Mitch. It just goes to show how a little knowledge is a dangerous thing, hi! I thought I knew Germa
Why do the manufacturers still bother with S units. Why don't receivers just measure dBuV or dBm at the antenna? Because that would mean equalising the gain exactly over the whole range. Expensive. T
snip "CW" - "continuous wave" - means just that; a steady unbroken unmodulated carrier wave; "N0N" (or "A0" in old money). Morse code is mainly sent by interrupting the carrier so how can it possibl
Hi Martin, Glad to hear that you are getting there slowly. You will probably get the best advice re earthing from some of the others, but I have a couple of tips to pass on. The antenna wire does not
In message <000001c08222$d0196cc0$880a883e@default>, MAL HAMILTON <[email protected]> writes I visited an ex radar site during 1965 that was administered by Marconi as far as I can remember.
I have a receiving problem in my home QTH, because a lot of QRM from the roadway lighting during the night time. A couple of months ago I had a similar problem on 80m. It was very easy to find it (de
In message <3A67116D.18713.1690251@localhost>, Mike Dennison <[email protected]> writes G3JNT wrote: Yes, thought someone had already tried a dipole up a hill. In that case I won't try dangli
................................. if they can list a WW II radar mast then this is even more historical....................... Sorry this is off-subject, but which radar mast is that please? IIRC it
Such a "faraday shield" can be found here in DL as well. They serve to protect the traffic on the road from becoming entangled with over-head high tension lines when broken acidently (under heavy ice
According to Tom Clancy, in "The Hunt for Red October" there is a transmission of coded groups to very deep operating "Boomers" at a data rate that appears to be in the region of a bit per second (on
In message <002301c07c2c$b7247940$fb9601d5@default>, Alan Melia <[email protected]> writes Hi All, the 2 inch 'water-pipe' coil that Andy refers to would have been installed in the mid 1960s
Alan makes reference to the loading coils at the 16kHz VLF station at Rugby; A while ago I got hold of a couple of old papers detailing the original construction of the VLF stations at Rugby (1925) a
In message <[email protected]>, Talbot Andrew <[email protected]> writes I have been told that the current loading coil at Rugby now consists of an assem
For jelly read jam? I think so! Never heard of jelly in jars! Mike 73 de John Rabson G3PAI Right! Over here paraffin is what you put in an oil lamp. Well, I'm from Wales... 73 Mike -- M.J.Powell -- M
In message <000101c07adf$e668d6e0$3082883e@lvm>, LAWRENCE MAYHEAD <[email protected]> writes In the old days! we used to boil wooden dowels in melted down wax candles to make spacers for o
In message <[email protected]>, Rye Gewalt <[email protected]> writes Oooops -- another little language problem as we converse across the pond. Here is the states Paraffin is generally c
Hello from Iowa in the USA. The "LF Experimenter's Handbook arrived today and it was dispatched on 02 Jan., 2001. Well, your message is dated 1st September 2001... Mike -- M.J.Powell
In message <[email protected]>, Rye Gewalt <[email protected]> writes I seem to recall that the old timers (I'm one myself now) used to boil dry wood in paraffin to make insulators for o
