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Total 96 documents matching your query.

61. Re: LF: Earth mode ranges (score: 1): Author: Rick Wakatori <[email protected]>; Date: Sat, 11 Dec 2010 10:42:00 +0900; Hi Roger, Try more. The following grabber site has used the two electrodes earth antenna and good receiving QRSS/DFCW at 136kHz. http://www16.ocn.ne.jp/~macoco/grabber.html Depending on the circumsta; /rsgb_lf_group-archives/html/rsgb_lf_group/2010-12/msg00870.html (10,879 bytes)
62. Re: LF: Re: JA GRABBERS at a same time[UTC] (score: 1): Author: Rick Wakatori <[email protected]>; Date: Sat, 08 Jan 2011 10:25:00 +0900; /rsgb_lf_group-archives/html/rsgb_lf_group/2011-01/msg00522.html (10,697 bytes)
63. RE: LF: Re: JA GRABBERS at a same time (score: 1): Author: Rick Wakatori <[email protected]>; Date: Sat, 08 Jan 2011 00:47:46 +0900; Rik I agree with you on unit in the world. Hz (not Heltz) is a name of unit defined by ISO/IEC. We shall use the unit including MKS. For your reference: We(JP) had used a different measuring unit on; /rsgb_lf_group-archives/html/rsgb_lf_group/2011-01/msg00787.html (15,541 bytes)
64. LF: JA GRRABBERS at a same time (score: 1): Author: Rick Wakatori <[email protected]>; Date: Fri, 07 Jan 2011 09:20:38 +0900; The following URL shows 7 LF grabbers currentry opend in Japan. Please try to access when your computer works well. http://www003.upp.so-net.ne.jp/JH1GVY/ja-grabbers.html -- -.. . --... .-.. .-- .-.; /rsgb_lf_group-archives/html/rsgb_lf_group/2011-01/msg00867.html (9,783 bytes)
65. Re: LF: Re: JA GRABBERS at a same time (score: 1): Author: Rick Wakatori <[email protected]>; Date: Sat, 08 Jan 2011 00:17:35 +0900; /rsgb_lf_group-archives/html/rsgb_lf_group/2011-01/msg00969.html (11,518 bytes)
66. Re: LF: Re: Earth-mode or not earth-mode (score: 1): Author: Rick Wakatori <[email protected]>; Date: Fri, 04 Feb 2011 12:17:09 +0900; The result is interesting. It shows that E-Field was generated by earth rods, but E-H field was not detected within one wave length such 33km so far. Further experiments will be expected. I wish to h; /rsgb_lf_group-archives/html/rsgb_lf_group/2011-02/msg00299.html (10,360 bytes)
67. Re: LF: Earth-mode success: G6ALB copied at my home QTH (3km)<=Congra. (score: 1): Author: Rick Wakatori <[email protected]>; Date: Wed, 02 Feb 2011 13:00:03 +0900; Roger and Andrew, Congratulation. 7L1RLL Rick; /rsgb_lf_group-archives/html/rsgb_lf_group/2011-02/msg00383.html (9,940 bytes)
68. Re: LF: RigExpert Analysers (score: 1): Author: Rick Wakatori <[email protected]>; Date: Thu, 10 Feb 2011 21:11:14 +0900; Hi Kevin, I and some of friends of mine have used AA-54 for 136kHz. It's easy to measure resonant frequency, impedance and resistance with combination of an antena coil, antenna capacitance and earth; /rsgb_lf_group-archives/html/rsgb_lf_group/2011-02/msg00499.html (8,596 bytes)
69. Re: LF: how to get ground rod ressitance low (score: 1): Author: Rick Wakatori <[email protected]>; Date: Sat, 12 Feb 2011 11:28:22 +0900; For your information, We use an equqtion for calcurate earth resistance which was proposed by G.F.Tagg (Geoge Frank Tagg) in Switzerland. Some of us have measured it by their own earth resistance met; /rsgb_lf_group-archives/html/rsgb_lf_group/2011-02/msg00793.html (12,352 bytes)
70. Re: LF: Our JA friends... (score: 1): Author: Rick Wakatori <[email protected]>; Date: Sun, 13 Mar 2011 18:00:16 +0900; Hi all, In addition to the information by JA8SCD, the water supply is stoped at the area lives JA7NI. I am living at the west of Tokyo. PC display and bookshelves ware dropped at the floor, but both; /rsgb_lf_group-archives/html/rsgb_lf_group/2011-03/msg00023.html (8,951 bytes)
71. Re: LF: JJY40? (score: 1): Author: Rick Wakatori <[email protected]>; Date: Fri, 29 Apr 2011 19:33:15 +0900; Scott and the others, Yes, JJY @40kHz has been temporary power on while all maintenamce crewmans evacuated due to the reactor accident just after a big earthquake around there. The transmitter is con; /rsgb_lf_group-archives/html/rsgb_lf_group/2011-04/msg00052.html (8,404 bytes)
72. Re: LF: JJY40? (score: 1): Author: Rick Wakatori <[email protected]>; Date: Fri, 29 Apr 2011 19:16:53 +0900; Scott and the others; /rsgb_lf_group-archives/html/rsgb_lf_group/2011-04/msg00072.html (8,134 bytes)
73. Re: LF: Re: DX Japan (score: 1): Author: Rick Wakatori <[email protected]>; Date: Sat, 21 Jan 2012 15:21:23 +0900; Mal, Unfortunatery no body has a license on 500kHz band. We are waiting for decision of WARC'12. 73, -- -.. . --... .-.. .-- .-. .-.. .-.. .-.-. 7L1RLL under ubuntu/Linux in Kawasaki,Kanagawa,Japan(J; /rsgb_lf_group-archives/html/rsgb_lf_group/2012-01/msg00056.html (8,967 bytes)
74. Re: LF: 7L1RLL RUNNING OP32 NOW (score: 1): Author: Rick Wakatori <[email protected]>; Date: Mon, 23 Jan 2012 11:28:21 +0900; Hi Graham, Output is only 10 micro Watts. I can copy the signal in -28dB max. I will trying to receive my Opera signal using pa0rdt_mini_whip +136kHzBPF*2+FT100(USB mode) now. Thanks, 7L1RLL Rick; /rsgb_lf_group-archives/html/rsgb_lf_group/2012-01/msg00108.html (9,012 bytes)
75. Re: LF: 7L1RLL OP8 BEACON 136 kHZ (score: 1): Author: Rick Wakatori <[email protected]>; Date: Sun, 22 Jan 2012 11:16:52 +0900; Graham, It's just testing. This means 7L1RLL has successed the installation of Opera. I found a small bug in reference timing of port pulldown menu. After startup Opera, I connected USB keyer but not; /rsgb_lf_group-archives/html/rsgb_lf_group/2012-01/msg00175.html (9,431 bytes)
76. RE: LF: Re: WRC-12 Approves the New 472-479 kHz Amateur Radio Allocation (score: 1): Author: Rick Wakatori <[email protected]>; Date: Wed, 15 Feb 2012 19:25:14 +0900; Hi All, JP(JA1,2,3,4,5,6,7,8,9,0,JR6,JD6) are within 800km restriction area except JD1. Both China and Russian are too close here. 73, Rick 7L1RLL; /rsgb_lf_group-archives/html/rsgb_lf_group/2012-02/msg00337.html (12,664 bytes)
77. Re: LF: New Argo (score: 1): Author: Rick Wakatori <[email protected]>; Date: Mon, 19 Mar 2012 19:55:25 +0900; Hi Alberto, It looks a wired trouble. Now it works well at Kawasaki Grabber instead Argo V1 built 137 beta after re-downloaded. 7L1RLL Rick Web-site = http://www1.u-netsurf.ne.jp/~7l1rll/radio.html; /rsgb_lf_group-archives/html/rsgb_lf_group/2012-03/msg00191.html (10,663 bytes)
78. Re: LF: New Argo (score: 1): Author: Rick Wakatori <[email protected]>; Date: Fri, 16 Mar 2012 10:39:39 +0900; HI Alberto, I have installed Argo V1 built 137 under Windows 7 (Ultimate). But time stamps does not display as attached screen copy. Was it deleted or any missing ? -- -.. . --... .-.. .-- .-. .-.. .; /rsgb_lf_group-archives/html/rsgb_lf_group/2012-03/msg00793.html (10,240 bytes)
79. RE: LF: RE: New Opera QRG for 472 Khz Band ?? (score: 1): Author: "7L1RLL-Rick" <[email protected]>; Date: Mon, 18 Jun 2012 14:03:23 +0900; Albert, I have installed two copies of Opera 142_beta on both W7 and XP machine. But the assigned frequencies are something off-band after January 1st 2013. 477kHz (USB) Op8 (478.5-478.6kHz) will be; /rsgb_lf_group-archives/html/rsgb_lf_group/2012-06/msg00659.html (10,269 bytes)
80. LF: HAM Fair 2012 in Tokuo Aug. 25-26 (score: 1): Author: "7L1RLL-Rick" <[email protected]>; Date: Thu, 2 Aug 2012 17:05:22 +0900; To All LFers, Japanese biggest HAM Fair 2012 will be held at Tokyo Big Sight on August 25 through 26. If you have chance to come Japan during the week end, please drop our booth of "The LF/MF Club of; /rsgb_lf_group-archives/html/rsgb_lf_group/2012-08/msg00155.html (10,177 bytes)

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