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81. Re: LF: EbNaut April 1 / 2 (score: 1)
Author: Riccardo Zoli <[email protected]>
Date: Mon, 02 Apr 2018 12:44:40 +0000
Markus, Riccardo & EbNaut enthusiasts   DF6NM 5 decodes, sadly no decode of IW4DXW ;~( . Riccardo, any chance for more transmitter power?   DF6NM:   0000 Rank 0 EbN0 6.4 decoded 0100 Rank 0 EbN0 7.8
/rsgb_lf_group-archives/html/rsgb_lf_group/2018-04/msg00034.html (12,135 bytes)

82. Re: LF: EbNaut April 1 / 2 (score: 1)
Author: Riccardo Zoli <[email protected]>
Date: Mon, 02 Apr 2018 20:08:12 +0000
Hi Markus, Even on LF i would avoid integer Hz frequencies. 73, GL, Stefan Am 02.04.2018 21:22, schrieb Markus Vester: Thanks for info John, good to know. So let's do one more night, same schedule a
/rsgb_lf_group-archives/html/rsgb_lf_group/2018-04/msg00044.html (16,672 bytes)

83. Re: LF: EbNaut April 2 / 3 (score: 1)
Author: Riccardo Zoli <[email protected]>
Date: Tue, 03 Apr 2018 10:41:47 +0000
Riccardo & EbNaut community   Sorry to report no reception again last night ... even with the new 3 character message. As Markus points out this may be a difficult path. Not sure I've ever received
/rsgb_lf_group-archives/html/rsgb_lf_group/2018-04/msg00048.html (9,862 bytes)

84. Re: LF: EbNaut April 2 / 3 (score: 1)
Author: Riccardo Zoli <[email protected]>
Date: Tue, 03 Apr 2018 22:38:16 +0000
Riccardo   Okay on TX end problems. On RX end ... second spectrogram shows signal from K2ORS beacon depressing noise floor some dB. I will ask Warren if he can shut down for a night for our next att
/rsgb_lf_group-archives/html/rsgb_lf_group/2018-04/msg00069.html (13,693 bytes)

85. Re: LF: LF EbNaut April 04 (score: 1)
Author: Riccardo Zoli <[email protected]>
Date: Sun, 8 Apr 2018 01:54:22 +0200
Attachment: congr_SLZ.jpg Description: JPEG image
/rsgb_lf_group-archives/html/rsgb_lf_group/2018-04/msg00100.html (10,104 bytes)

86. Re: AW: LF: EbNaut Test tonight (score: 1)
Author: Riccardo Zoli <[email protected]>
Date: Fri, 13 Apr 2018 17:03:53 +0200
Joe   Wasn't able to get set up in time for the 0000 and 0100 transmissions ... unfortunately no decodes at 0200 and 0300. Will be ready to go tonight at 2300. Based on receptions a couple weeks bac
/rsgb_lf_group-archives/html/rsgb_lf_group/2018-04/msg00212.html (23,470 bytes)

87. Re: AW: LF: EbNaut Test tonight (score: 1)
Author: Riccardo Zoli <[email protected]>
Date: Fri, 13 Apr 2018 20:02:53 +0000
/rsgb_lf_group-archives/html/rsgb_lf_group/2018-04/msg00219.html (28,246 bytes)

88. Re: AW: LF: EbNaut Test tonight (score: 1)
Author: Riccardo Zoli <[email protected]>
Date: Sat, 14 Apr 2018 08:51:26 +0000
/rsgb_lf_group-archives/html/rsgb_lf_group/2018-04/msg00222.html (30,138 bytes)

89. Re: AW: AW: AW: LF: EbNaut Test tonight (score: 1)
Author: Riccardo Zoli <[email protected]>
Date: Sun, 15 Apr 2018 20:18:12 +0000
Joe   No problem ... understand the situation with rain. Will be looking for your signal again tonight.   Jay       -- Original Message -- From: Joe <[email protected]> Reply-To: <rsgb_lf_group@blackshee
/rsgb_lf_group-archives/html/rsgb_lf_group/2018-04/msg00243.html (19,942 bytes)

90. Re: LF: Antenna change over relay testing question (score: 1)
Author: Riccardo Zoli <[email protected]>
Date: Tue, 17 Apr 2018 00:50:47 +0000
Hi Chris, Considering that you're handling a lot of power, all you need is a simple relay sequencer. Take a look here: https://www.dropbox.com/s/xmwan9kuitu1l75/20180417_010251.jpg?dl=0 A 150-200ms d
/rsgb_lf_group-archives/html/rsgb_lf_group/2018-04/msg00259.html (17,003 bytes)

91. Re: LF: AW: EbNaut Test tonight (score: 1)
Author: Riccardo Zoli <[email protected]>
Date: Tue, 17 Apr 2018 22:42:14 +0000
Hi Jay, Joe, Alex, Marco, Stefan, LF Tonite another attempt... From 2230 to 0630 UTC (Apr. 17/18, start at xx30). QRG: 137521.0000 Hz 3 char CRC 18 4 sec/sym duration 28' 48" (RX in the 1st half hour
/rsgb_lf_group-archives/html/rsgb_lf_group/2018-04/msg00270.html (20,247 bytes)

92. VLF: carrier test at 8270.01 (score: 1)
Author: Riccardo Zoli <[email protected]>
Date: Sun, 22 Apr 2018 20:56:19 +0000
Hi VLF, a little carrier test is running from 08:30 UTC with 600mA. This evening the noise is too high so a possible report would become a great achievement. All the best 73 de Riccardo IW4DXW
/rsgb_lf_group-archives/html/rsgb_lf_group/2018-04/msg00297.html (8,504 bytes)

93. VLF: carrier at 8270.003 (score: 1)
Author: Riccardo Zoli <[email protected]>
Date: Thu, 26 Apr 2018 13:04:50 +0200
Hi VLF, A new carrier test is running with about 610mA. Now, with last SL version, the PLL configuration made by Markus seems to works well here, the phase is stable. I started this test yesterday at
/rsgb_lf_group-archives/html/rsgb_lf_group/2018-04/msg00317.html (9,375 bytes)

94. Re: VLF: carrier at 8270.003 (score: 1)
Author: Riccardo Zoli <[email protected]>
Date: Fri, 27 Apr 2018 07:45:32 +0000
Hi Riccardo, Your signal is well visible here on my grabber http://www.iup.uni-heidelberg.de/schaefer_vlf/DK7FC_VLF_Grabber2.html Am 26.04.2018 13:04, schrieb Riccardo Zoli: Hi VLF, A new carrier te
/rsgb_lf_group-archives/html/rsgb_lf_group/2018-04/msg00330.html (12,764 bytes)

95. Re: VLF: carrier at 8270.003 (score: 1)
Author: Riccardo Zoli <[email protected]>
Date: Fri, 27 Apr 2018 16:17:12 +0200
Riccardo, My antenna current plot is at http://www.iup.uni-heidelberg.de/schaefer_vlf/VLF/TX.png It shows the current antenna current antenna current. But also the safe limit and the ALC level. At n
/rsgb_lf_group-archives/html/rsgb_lf_group/2018-04/msg00334.html (16,886 bytes)

96. Re: VLF: carrier at 8270.003 (score: 1)
Author: Riccardo Zoli <[email protected]>
Date: Sun, 29 Apr 2018 21:29:49 +0000
Lubos, many thanks for your report! I'm testing the coil for long transmissions; I have observed, for my first time, that atmospheric conditions affects antenna current: for example, today it's been
/rsgb_lf_group-archives/html/rsgb_lf_group/2018-04/msg00343.html (11,713 bytes)

97. Re: LF: RE: SAQ transmission (score: 1)
Author: Riccardo Zoli <[email protected]>
Date: Tue, 01 May 2018 19:48:16 +0000
Hi Clemens, VLF Many thanks, well done. https://www.dropbox.com/s/todhfbb1jilj3jh/SAQ.wav?dl=0 this is my integral recording of SAQ's transmission, comprising antenna connection (00:08, key-up begins
/rsgb_lf_group-archives/html/rsgb_lf_group/2018-05/msg00015.html (14,937 bytes)

98. Re: VLF: carrier at 8270.003 (score: 1)
Author: Riccardo Zoli <[email protected]>
Date: Wed, 9 May 2018 10:12:34 +0200
Hi Stefan, Lubos, Paul, VLF Ok Stefan :-), here we go! I'm starting a series of EbNaut transmissions, from 0800 UTC (9 May) every 8 hours. Then 3 messages per day (0000, 0800, 1600 UTC).  QRG: 8270.0
/rsgb_lf_group-archives/html/rsgb_lf_group/2018-05/msg00048.html (11,165 bytes)

99. Re: VLF: carrier at 8270.003 (score: 1)
Author: Riccardo Zoli <[email protected]>
Date: Wed, 09 May 2018 21:02:13 +0000
No decode today at Todmorden, or Bielefeld or Cumiana. Great thunderstorm activity this afternoon in Europe. Based on carrier sent on 26th April the Eb/N0 should have been around 12dB. The 00:00 to
/rsgb_lf_group-archives/html/rsgb_lf_group/2018-05/msg00050.html (11,408 bytes)

100. Re: VLF: carrier at 8270.003 (score: 1)
Author: Riccardo Zoli <[email protected]>
Date: Wed, 09 May 2018 21:32:53 +0000
Hi Riccardo, Am 09.05.2018 23:02, schrieb Riccardo Zoli: Thanks, Paul! Sorry but I made a "miscalculation": an exact 8h duration implies a next hour transmission. What does that mean? When exactly d
/rsgb_lf_group-archives/html/rsgb_lf_group/2018-05/msg00053.html (12,818 bytes)

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