To All from PA0SE Dr. OM, Tomorrow (Friday) I'm going to deliver my talk on LF for radio clubs for the seventh time (number 8 is already booked). I tell the audience that the best times to hear norma
To All from PA0SE, It this Ampliphase system similar to the Chireix modulation system that I think was used by Radio Luxemburg on long wave? 73, Dick, PA0SE
To All from PA0SE Picture's of Ron, G6RO, and some of his his beautiful antique radio receivers can be found in Dave's LF column in RadCom of March 2002, page 90. G6RO is not a new station on LF; I w
To All from PA0SE John, G3CNN, wrote Surprisingly that particular graph is not in my second edition. Is there another book? Mine is simply entitled Radio Engineering. 73, John, G4CNN I also possess R
To Akl from PA0SE Cesare wrote: Hello Dick I've noted the great difference between the values reported by Mesny and those appearing in the graph you have sent. I think the difference may be explained
Dr. OM, Perhaps this has been reported bnefore but just in case it has not. Terman's RADIO ENGINEERS' HANDBOOK (first Edition, Sixth Impression) contains useful information on the proximity effect an
Dr. OM, This message was passed on to me by PA0KDF. 73, Dick, PA0SE , just read this morning with sadness, that earlier this week Rudolf Hell, the inventor of the HELLSCHREIBER mode, died in Germany.
To All from PA0SE Laurie wrote: I will be very pleased to transmit on 73 this evening and/or tomorrow morning. I agree that we should use the remaining time effectively and have been trying to do jus
I agree with Dave G3YMC as to getting on the air with whatever it takes. Many people don't have the property to put up a good antenna. I myself have too many trees to make a vertical work on LF, so I
To All from PA0SE Harry, PA0LQ, active on LF until his landlord forbade his aerial, lives in a 12 story apartment block of which corridors are permanently lit by fluorescent tubes. These caused such
To All from PA0SE Jim, M0BMU wrote; One needs to be slightly cautious about this type of measurement - the inductance meter measures at a frequency somewhere in the LF range which depends on the indu
I forgot to mention the URL of Rik's website: http://www.qsl.net/on7yd/136khz.htm. To All from PA0SE The website of Rik, ON7YD, features a 27 page section on antennas and related subjects. I am reall
To All from PA0SE The website of Rik, ON7YD, features a 27 page section on antennas and related subjects. I am really impressed by the amount of useful information that Rik has brought together. It i
To All from PA0SE Last Monday I delivered my talk on LF for radio clubs for the 8th time (number 9 will be on June 3). I'm sure some of the amateurs who heard my talk will make an effort to pick up s
To All from PA0SE Not all TV-stations derive their sync-signals from stable frequency sources. Harry, PA0LQ, has investigated this matter some years ago and seemed to remember that BBC1, BBC2 and the
To All from PA0SE The British magazine Radio Bygones, Issue No. 76, April/May 2002, features a very interesting seven page article on the Rugby Radio Station, written by Brian Faulkner. Beautiful pic
To All from PA0SE Alan, G3NYK wrote: Hi all, can someone nearer the site of our 'friendly' utility station please confirm (or refute !) that either transmission has been taken over by another site, o
To All from PA0SE I endorse what has been said before via the reflector: Selective level meters are excellent for the job they were made for. But as LF receivers they have limitations. 1. Most or all
Dave, G3YXM, wrote: Dear all. Has anyone got any interesting pictures of your new antennas, transmitters, /P operation or similar? Also simple little circuits for LF? I need some for the next LF colu
To All from PA0SE In case you missed the earlier announcement: the description and circuit diagram of the PA0LQ mains QRM noise blanker and 30 Hz wide audio filter can be found at the web site of Dav
