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161. LF: HNY 2019 (score: 1): Author: Riccardo Zoli <[email protected]>; Date: Tue, 1 Jan 2019 14:51:18 +0100; Happy New Year to everyone! Riccardo IW4DXW; /rsgb_lf_group-archives/html/rsgb_lf_group/2019-01/msg00005.html (8,401 bytes)
162. Re: LF: Ublox 8 question (score: 1): Author: Riccardo Zoli <[email protected]>; Date: Fri, 4 Jan 2019 19:21:37 +0100; Hi Chris, LF 1 mHz? Maybe 1 MHz: TP frequency must be in the range 0.25 Hz..10 MHz. In TP5 settings, toggle frequency and duty cycle flags then set 1000000 Hz and 50% d.c. in the f. locked fields. Pr; /rsgb_lf_group-archives/html/rsgb_lf_group/2019-01/msg00040.html (10,222 bytes)
163. Re: LF: Ublox 8 question (score: 1): Author: Riccardo Zoli <[email protected]>; Date: Fri, 4 Jan 2019 21:27:11 +0100; Ok, Chris, it's correct to connect the ground probe as near as possible to the module's GND. Please, could you post some pics of your NEO's breakout board? 73 de Riccardo IW4DXW Il giorno Ven 4 Gen 2; /rsgb_lf_group-archives/html/rsgb_lf_group/2019-01/msg00044.html (12,675 bytes)
164. Re: LF: Ublox 8 question (score: 1): Author: Riccardo Zoli <[email protected]>; Date: Sun, 6 Jan 2019 15:54:15 +0100; Hi Chris, Well, only the NEO-M8T version has the TP2 functionality (readly available by default settings). -pin 3 (TIMEPULSE) of the Ublox module is often connected to a SMD green LED (in series with; /rsgb_lf_group-archives/html/rsgb_lf_group/2019-01/msg00054.html (16,438 bytes)
165. Re: LF: Re: EbNaut tonite (score: 1): Author: Riccardo Zoli <[email protected]>; Date: Wed, 16 Jan 2019 21:52:58 +0100; Hello Rob and Jay, Many thanks for the reports and all the details. Jay, did you miss the 22 UTC transmission or did it not decode? Interesting to see the phase plots. It is expected that the phase; /rsgb_lf_group-archives/html/rsgb_lf_group/2019-01/msg00207.html (31,542 bytes)
166. Re: LF: Re: EbNaut tonite (score: 1): Author: Riccardo Zoli <[email protected]>; Date: Thu, 17 Jan 2019 00:15:28 +0100; Riccardo, Domenico Deja vu ... seems like we've been here before ... The receiver / SpecLab was set up earlier in the day to receive Stefan's transmissions on 137.545. Unfortunately, both of you; /rsgb_lf_group-archives/html/rsgb_lf_group/2019-01/msg00212.html (38,474 bytes)
167. LF: LF EbNaut from JN64 (score: 1): Author: Riccardo Zoli <[email protected]>; Date: Thu, 17 Jan 2019 19:36:35 +0100; Hi LF & EbNauters. Tonite I'll try again: message repeated hourly, 1st transmission on 22:00 UTC, last on 07:00 UTC. QRG: 137542 Hz Coding 4K19A CRC 16 8 sec./sym 4 characters Duration: 30' 56" Repor; /rsgb_lf_group-archives/html/rsgb_lf_group/2019-01/msg00238.html (8,648 bytes)
168. Re: LF: Re: EbNaut tonite (score: 1): Author: Riccardo Zoli <[email protected]>; Date: Fri, 18 Jan 2019 19:48:37 +0100; Hi Jay, Great results, many thanks. The phase is unepected stable. And then the surprise in the last transmission with no symbol error over the 6099 km path! I was running about 180 W only. We could; /rsgb_lf_group-archives/html/rsgb_lf_group/2019-01/msg00252.html (15,079 bytes)
169. Re: LF: EbNaut (score: 1): Author: Riccardo Zoli <[email protected]>; Date: Sat, 19 Jan 2019 21:50:50 +0100; Alex, Riccardo & EbNaut-eers Unfortunately no copy of either station last night. Alex ... understand your TX frequency may have been moving around. I wonder if a 1 hour transmission is too long; /rsgb_lf_group-archives/html/rsgb_lf_group/2019-01/msg00282.html (12,613 bytes)
170. Re: LF: EbNaut (score: 1): Author: Riccardo Zoli <[email protected]>; Date: Sun, 20 Jan 2019 15:04:07 +0100; Riccardo Better results last night ... congratulations on 4 decodes! What is you power and antenna? 2200 - 2230 - 2300 - 2330 - 0000 - 0030 - 0100 Rank 1 car Eb/N0 1.3 dB Eb/N0 1.1 dB IW4DXW 0; /rsgb_lf_group-archives/html/rsgb_lf_group/2019-01/msg00298.html (17,068 bytes)
171. Re: LF: EbNaut tonite (score: 1): Author: Riccardo Zoli <[email protected]>; Date: Sun, 20 Jan 2019 20:08:51 +0100; LF, Tonite: f = 137.545 kHz Start time: 20.JAN.2019 22:00:00.3 UTC (hourly, including 6 UTC) Symbol period: 1 s Characters: 10 CRC bits: 12 Coding 16K21A Antenna current: 4 A Duration: 24:32 [mm:ss; /rsgb_lf_group-archives/html/rsgb_lf_group/2019-01/msg00304.html (14,215 bytes)
172. Re: LF: EbNaut tonite (score: 1): Author: Riccardo Zoli <[email protected]>; Date: Sun, 20 Jan 2019 20:16:49 +0100; LF, Tonite: f = 137.545 kHz Start time: 20.JAN.2019 22:00:00.3 UTC (hourly, including 6 UTC) Symbol period: 1 s Characters: 10 CRC bits: 12 Coding 16K21A Antenna current: 4 A Duration: 24:32 [mm:ss; /rsgb_lf_group-archives/html/rsgb_lf_group/2019-01/msg00306.html (14,910 bytes)
173. Re: LF: EbNaut tonite (score: 1): Author: Riccardo Zoli <[email protected]>; Date: Sun, 20 Jan 2019 23:59:50 +0100; EbNaut enthusiasts Looking for Riccardo and Stefan ... and anyone else that might want to join in. Riccardo ... has your phase jump problem been corrected? Jay W1VD -- Original Message --; /rsgb_lf_group-archives/html/rsgb_lf_group/2019-01/msg00314.html (16,714 bytes)
174. Re: LF: EbNaut tonite (score: 1): Author: Riccardo Zoli <[email protected]>; Date: Mon, 21 Jan 2019 22:13:07 +0100; Riccardo Corrected decode: 0300 Rank 0 car Eb/N0 2.3 Eb/N0 1.4 FBDECODE Jay W1VD -- Original Message -- From: <[email protected]> Reply-To: <[email protected]> To: <rsgb_l; /rsgb_lf_group-archives/html/rsgb_lf_group/2019-01/msg00328.html (16,176 bytes)
175. Re: LF: EbNaut tonite (score: 1): Author: Riccardo Zoli <[email protected]>; Date: Tue, 22 Jan 2019 20:15:13 +0100; Riccardo Glad to hear you found the problem. Will await your announcement and look for your signal tomorrow night. Jay W1VD -- Original Message -- From: [email protected] Riccardo Zoli To; /rsgb_lf_group-archives/html/rsgb_lf_group/2019-01/msg00333.html (19,790 bytes)
176. Re: LF: EbNaut tonite (score: 1): Author: Riccardo Zoli <[email protected]>; Date: Tue, 22 Jan 2019 20:48:00 +0100; Riccardo Glad to hear you found the problem. Will await your announcement and look for your signal tomorrow night. Jay W1VD -- Original Message -- From: [email protected] Riccardo Zoli To; /rsgb_lf_group-archives/html/rsgb_lf_group/2019-01/msg00334.html (20,386 bytes)
177. Re: LF: Ublox 8 question (score: 1): Author: Riccardo Zoli <[email protected]>; Date: Tue, 22 Jan 2019 22:55:18 +0100; Hi Chris, I'm glad you fix it, thank you for the info. I'm curious, Chris: what the blob was shorting? If you're planning on using 2nd timepulse, remember to decouple TP2/SAFEBOOT pin with an adequat; /rsgb_lf_group-archives/html/rsgb_lf_group/2019-01/msg00338.html (14,567 bytes)
178. Re: LF: EbNaut tonite (score: 1): Author: Riccardo Zoli <[email protected]>; Date: Wed, 23 Jan 2019 21:45:38 +0100; Riccardo Late start last night (0000z). Unfortunately no decodes. There were numerous low Rank false decodes ... not sure what's up with that! Jay W1VD -- Original Message -- From: Riccardo Z; /rsgb_lf_group-archives/html/rsgb_lf_group/2019-01/msg00359.html (24,072 bytes)
179. Re: LF: EbNaut tonite (score: 1): Author: Riccardo Zoli <[email protected]>; Date: Thu, 24 Jan 2019 22:08:01 +0100; Jay, Rob, LF Ok, many thanks! I understand the high noise last night. Rob: my QRG may be almost exactly 137545 Hz, with probably minor variations (at least a few hundred of uHz) due to propagation's; /rsgb_lf_group-archives/html/rsgb_lf_group/2019-01/msg00374.html (11,990 bytes)
180. LF: NEO-M8T and H-mixer (SDR) (score: 1): Author: Riccardo Zoli <[email protected]>; Date: Thu, 24 Jan 2019 23:51:32 +0100; LF, I'm testing a useful trick to allow a quadrature generator to mantain a stable and nominal phase using a GPS module NEO/LEA-M8T. Normally, an IC 74HC74 is used to generate the quadrature LO signa; /rsgb_lf_group-archives/html/rsgb_lf_group/2019-01/msg00375.html (9,285 bytes)

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