- 13:49, 1 September 2021 diff hist -3 Mobile Communications
- 15:58, 7 June 2021 diff hist +1 Signal Representation/Signal classification
- 16:21, 1 April 2021 diff hist -204 The Doppler Effect
- 16:20, 1 April 2021 diff hist -240 Sampling of Analog Signals and Signal Reconstruction
- 16:20, 1 April 2021 diff hist -250 Eye Pattern and Worst-Case Error Probability
- 16:19, 1 April 2021 diff hist -207 Graphical Convolution
- 16:11, 1 April 2021 diff hist -37 Physikalisches Signal & Äquivalentes TP-Signal
- 16:11, 1 April 2021 diff hist -37 Physikalisches Signal & Analytisches Signal
- 16:11, 1 April 2021 diff hist -38 Physical Signal & Equivalent Lowpass Signal
- 16:10, 1 April 2021 diff hist -38 Physical Signal & Analytic Signal
- 15:51, 1 April 2021 diff hist +15 PDF, CDF and Moments of Special Distributions
- 14:09, 31 March 2021 diff hist +24 Capacity of Memoryless Digital Channels
- 23:13, 25 February 2021 diff hist -2 Collapse current
- 23:12, 25 February 2021 diff hist +121 Chameleon.css current
- 21:12, 25 February 2021 diff hist +3 Sidebar
- 17:50, 24 February 2021 diff hist +13 Sidebar
- 17:50, 24 February 2021 diff hist +1 Sidebar
- 17:49, 24 February 2021 diff hist +27 Sidebar
- 17:45, 24 February 2021 diff hist +75 Sidebar
- 17:33, 24 February 2021 diff hist -2 Attenuation of Copper Cables