Graham and all, Yes... but not yet. That should be a test preparing his trip. Several people has plan to travel to JD1, Ogasawara-Islands, and get on the air. as far as I know: JP1ODJ tries to operat
Stefan and all MF, The licence of 476kHz in Japan is "rather sure", but we don't know when (as far as I know). Our Ministry of Internal Affairs and Communications announced in September an action pla
Happy New Year to all! 3hr past midnight, I visited and returned from a local shrine with quiet croud . May the new year be a happy one for you all. We expect to join you on 472kHz from JA. Hideho YA
Graham, LF, FYI: JA8SCD is located in Tokyo : JA8SCD/1 He is running Tokyo Grabber. 4163km seems to be the correct distace to Tokyo, JA1 area, not to JA8 land up north. great to learn this info. Hide
hello Dimitris, I don't have any experience on 475kHz, but some on 136kHz and HF. I believe a PVC former is OK, if it's a pipe former, not a solid rod. I made a dozen of 136kHz loading coils, with 16
Hi Stefan and all, I am looking very forward to your test results of your Mini-Dipole + fiber optics. FYI, Last year, I made a Mini-Dipole with an instrumentation amplifier AD8429 set at Av=10 (+20dB
Hello Roelof, Stefan, all, Thank you for your comments. connected to a clean RF earth chokes will probably help. the bottom of the mast This is what I thought, and I made a pi shape filter : Gnd - CM
Hello Stefan, The first earth-point is the tower base. It's a concrete base, abut 1m square, about 2m deep, at about the bottom of the hole, 10 rods (0.9m long) are driven rather radially, before the
Dear LF, Happy New year to you all. Wish 2014 be a pleasant year to you all and the LF. 01:30 Japan Standard time, January 1. Hideho YAMAMUT\RA, JF1DMQ
Bob, "crazies", I love that. Hideho YAMAMURA, JF1DMQ/AA6VE From: [email protected] [mailto:[email protected]] On Behalf Of Bob Raide Sent: Wednesday, January 01, 201
Hello Edgar, I used to play with Flag Antenna, a ground independent EWE. I wrote an article in 1995. The terminating resistance is basically around the characteristic impedance of the horizontal wire
