The following message was passed on to me by Koos Fockens, PA0KDF. 73, Dick, PA0SE Yes, it's true. Yours truly, K7CCC, will be moderating an "Intro to Hellschreiber" forum at the Dayton Hamvention th
Dear Lars, I listened to the SAQ transmissions at 0830 and 1230 UTC ; was away from home at 1030 UTC. I had good copy, though keying seemed a bit erratic. The antenna system for the 136kHz band was u
At 19:40 11-6-03 +0200, you wrote: Hallo OM's we are on air at our Fieldday from Saturday, Jun. 14, 12.00 Mez to Sunday, Jun. 15, 14.00 Mez from Phöben, near Berlin with a 4 x 100 meter antenne, desi
To All from PA0SE, The German magazine CQ DL of April 2003 features a review of MMANA, a computer program for simulation and design of antennas. The examples given in CQ DL are looking good. The prog
To All from PA0SE Bryan, G3GVB wrote: The email address for Bauer doesn't work. is this book available in English? My fault! The correct address is [email protected]. The book is not available i
To All from PA0SE Matti, OH2ZT wrote: In a book Klawitter-Herold-Oexner: "Langwellen- und Laengstwellenfunk" by Siebel Verlag (2000) is a good description of Goliath system pp 47-52 and also info abo
To All from PA0SE, In my previous e-mail In did not include a sketch of the VLF-antenna system of the Lorenz station in the South of Germany because I feared the message would become too large for th
To All from PA0SE William Oorschot, PA0WFO, has sent me a copy of a three part article by Karl H. Hille, DL1VU, in the German 2002 magazine FUNK: "Die Bergantenne am Herzogstand - Vor 75 Jahren eine
Dear Ed, From the messages on this reflector it is evident that quite a few amateurs received SAQ OK, using different types of receiver. Last year I measured the field strength of SAQ at my location
To All from PA0SE Jim, M0BMU wrote: The voltage induced in a loop is: V = 2.1x10^-8 (fNAE) where f = frequency (Hz) N = number of turns A = area (m^2) E = field strength (V/m) Always assuming that th
To All from PA0SE Bryan, G3GVB wrote: So: is the system directional ? The gain I mentioned was in efficiency. But there may be some gain by directivity of the aerial system as well, but this is not c
To All from PA0SE Ian wrote: When making the signal strength measurements using a loop antenna should this be resonated or aperiodic? A resonated loop produces more signal but has to be calibrated by
To All from PA0SE valerio gabbani wrote: Alberto, Thanks for the info, did you know also the antenna system used ? '73, Valerio IK5ZPV You can find info (in Swedish) on the Grimeton station SAQ, incl
To All from PA0SE Reading Practical Wireless of June 2002 I came across the following item (conversion by OCR): Laser Comms David Bowman GOMRF and Allan Wyatt G8LSD have achieved a laser communicatio
To All from PA0SE Stewart, G3YSX wrote: I came across an interesting concept yesterday that I thought worthy of further consideration for an LF active antenna. The so called inverted vacuum tube ampl
says of Well perhaps if our papers weren't devoting all their pages to a non event in Westminster we might have seen the same in the UK.... The predicted storm certainly seems to be a biggy, there wa
To All from PA0SE: Jim M0BMU wrote: I see there was an X17 solar flare yesterday, with accompanying earthwards CME - no wonder I couldn't see VO1NA last night! I thought we were getting into the quie
To All from PA0SE, LF-pioneers are apparently not narrow minded. The following message was sent to me by Arie Dogterom, PA0EZ, keen VHF/UHF/SHF operator. 73, Dick, PA0SE A New European Amateur Laser
To All from PA0SE, Many thanks to Stewart and several others who explained what went wrong with my e-mail for some subscribers to the reflector. I emphasize that the formula can only be used within d
To All from PA0SE A description of my Field Strength Meter for 136 kHz can be found on several web sites. I just found out that on some web sites the formula for the power that produces a certain fie
