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1. [TowerTalk] RG400 Measured Data (score: 1): Author: Jim Brown <jim@audiosystemsgroup.com>; Date: Fri, 16 Mar 2018 12:33:47 -0700; Here's measured data for Harbor Industries RG400. k9yc.com/RG400DataMF-HF.png Data was obtained by S11 sweeps (1-30 MHz) using VNWA, exporting as S1P files to AC6LA's Zplots spreadsheet for Excel. ZP; /archives//html/Towertalk/2018-03/msg00147.html (7,917 bytes)
2. Re: [TowerTalk] RG400 Measured Data (score: 1): Author: "N2TK, Tony" <tony.kaz@verizon.net>; Date: Fri, 16 Mar 2018 15:48:24 -0400; Jim, Tnx for providing the data 73, N2TK, Tony Here's measured data for Harbor Industries RG400. k9yc.com/RG400DataMF-HF.png Data was obtained by S11 sweeps (1-30 MHz) using VNWA, exporting as S1P fi; /archives//html/Towertalk/2018-03/msg00148.html (7,892 bytes)
3. Re: [TowerTalk] RG400 Measured Data (score: 1): Author: jimlux <jimlux@earthlink.net>; Date: Fri, 16 Mar 2018 12:58:24 -0700; k9yc.com/RG400DataMF-HF.png Data was obtained by S11 sweeps (1-30 MHz) using VNWA, exporting as S1P files to AC6LA's Zplots spreadsheet for Excel. ZPlots does the math to compute and plot Zo, VF, and; /archives//html/Towertalk/2018-03/msg00149.html (9,775 bytes)
4. Re: [TowerTalk] RG400 Measured Data (score: 1): Author: Jim Brown <jim@audiosystemsgroup.com>; Date: Fri, 16 Mar 2018 13:57:25 -0700; One that's easy to make is TDR using a device with high time resolution. The DG8SAQ VNWA3e implements TDR with an inverse FFT of a sweep, and can sweep to 500 MHz with full dynamic range and to 1.3 G; /archives//html/Towertalk/2018-03/msg00151.html (9,854 bytes)
5. Re: [TowerTalk] RG400 Measured Data (score: 1): Author: Dan Maguire <danac6la@gmail.com>; Date: Fri, 16 Mar 2018 15:13:47 -0700; As to common curve shapes, here's Figure 3.1 from the Johnson book on transmission lines (Howard Johnson and Martin Graham, "High Speed Signal Propagation: Advanced Black Magic", 2003): https://posti; /archives//html/Towertalk/2018-03/msg00153.html (9,149 bytes)
6. Re: [TowerTalk] RG400 Measured Data (score: 1): Author: jimlux <jimlux@earthlink.net>; Date: Fri, 16 Mar 2018 18:18:46 -0700; Here's a comparison for loss between RG-400 as measured by K9YC and RG-174/U per mfg specs. https://postimg.org/image/zefeswdzp/ The RG-174 is Belden 8216. Per the datasheet, "26 AWG stranded (7x34); /archives//html/Towertalk/2018-03/msg00155.html (8,893 bytes)
7. Re: [TowerTalk] RG400 Measured Data (score: 1): Author: Edward Mccann via TowerTalk <towertalk@contesting.com>; Date: Fri, 16 Mar 2018 18:42:26 -0700; Nice summary Dan. Sent from my iPhone _______________________________________________ _______________________________________________ TowerTalk mailing list TowerTalk@contesting.com http://lists.cont; /archives//html/Towertalk/2018-03/msg00156.html (10,704 bytes)

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