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10 January 2023

22 August 2021

10 March 2021

9 March 2021

  • 23:5223:52, 9 March 2021 diff hist +71 N File:Terminator.pngTerminator with night shading at March 09, 21:30 UTC 2021 current
  • 23:4823:48, 9 March 2021 diff hist +2,311 N TerminatorCreated page with "The Terminator is the curve across the earth's surface that at any given time separates day from night. The distinction is made according to whether the sun is above or below..."

11 November 2020

3 November 2020

  • 17:3517:35, 3 November 2020 diff hist +31,539 N RadioPropagationCreated page with "Radio wave propagation It is well known that attenuation of radio signals depends heavily on the terrain and other physical obstacles encountered between transmitter and rece..."

2 November 2020

29 October 2020