User contributions for Dkazdan

13 November 2024

• 18:3218:32, 13 November 2024 diff hist +38 United States Department of Veterans Affairs Corrected statement that wounded soldiers are the VA's only clients.
• 00:2400:24, 13 November 2024 diff hist −204 WWV (radio station) No edit summary
• 00:1900:19, 13 November 2024 diff hist +4 WWV (radio station) 25 MHz added. The signal had been discontinued in 1977 as a power-saving measure. It has been on again on an experimental basis and is not guaranteed, but it has been transmitted continuously since April 2014.

1 September 2024

• 14:5014:50, 1 September 2024 diff hist −21 Wireless (short story) Corrected "shortwave radio" to "radio." Kipling doesn't specify wavelength but only longwave and medium wave were in use at the time. The description of frequency later in the story is not possible given then-available methods. current

1 July 2024

• 23:1323:13, 1 July 2024 diff hist +305 Talk:Morse code →Semi-protected edit request on 1 June 2024: Reply Tag: Reply

28 June 2024

• 22:2822:28, 28 June 2024 diff hist +204 Yagi–Uda antenna Added reference to 41 director Yagi used for amateur radio 2-meter transatlantic contact.

3 September 2023

• 01:1001:10, 3 September 2023 diff hist 0 m Joseph Lister Corrected a typo in the date of Lister's first case notes.

30 December 2022

• 03:2803:28, 30 December 2022 diff hist +147 Shot put Changed mention of optimal release angle from forty-five degrees to "slightly less" than that; gave reference.

5 December 2022

• 20:3720:37, 5 December 2022 diff hist +18 Kauai Added that radio station WWVB is low frequency, as opposed to WWVH and WWV on medium and high frequencies.
• 20:3420:34, 5 December 2022 diff hist +28 Kauai Added "medium frequency" to WWVH discussion, as WWVH transmits 10 kW on 2.5 MHz. It's 5, 10, and 15 MHz transmissions are "high frequency," as already noted in the article.

10 October 2022

• 10:2410:24, 10 October 2022 diff hist −1 m Albion College Corrected "side-real" to "sidereal" for observatory clock

19 June 2022

• 21:5121:51, 19 June 2022 diff hist +49 Survival radio Added mention of the automatic SOS transmission including the four-second autoalarm long dash, as specified in the Safety of Life at Sea treaties.

15 June 2022

• 21:5121:51, 15 June 2022 diff hist +170 Queen Noor of Jordan Added amateur radio callsign, with citation. Note that all members of Jordanian royal family automatically have Amateur Radio privileges in Jordan.; King Hussein held JY1 and she held JY2 earlier.

8 June 2022

• 22:3622:36, 8 June 2022 diff hist +179 Ruh khitch Added mention and reference to such photography in Havana, Cuba.

18 December 2021

• 22:2522:25, 18 December 2021 diff hist +377 Cleveland Arena Added information about Arena Clinic.

18 November 2021

• 01:2101:21, 18 November 2021 diff hist +30 Cone of Silence (film) Made the title reference more specific.

30 September 2021

• 13:0113:01, 30 September 2021 diff hist −8 Wilson Dam Corrected "megawatts per day" to "megawatts"

31 July 2021

• 21:4521:45, 31 July 2021 diff hist +285 Camden, Arkansas Added information about the US Army Air Force training field, and its conversion to the Shumaker Naval Ammunition Depot in 1944, with reference from Encyclopedia of Arkansas.

14 April 2021

• 14:3814:38, 14 April 2021 diff hist +207 Talk:Edwin H. Land Made note that SX-70 was not the first Land camera, will check on the actual model number.

28 November 2020

• 22:5122:51, 28 November 2020 diff hist +274 Talk:Rubidium standard Suggest correction on absorption level of rubidium capsule.

4 October 2020

• 15:2415:24, 4 October 2020 diff hist +2 MT63 Corrected mistype of "mooted" for "promoted" (vandalism?)

2 October 2020

• 02:0002:00, 2 October 2020 diff hist +167 Talk:Aerospace Medical Association →Logo is not current: new section
• 01:5701:57, 2 October 2020 diff hist +37 Rod of Asclepius Added Aerospace Medical Association to organizations that use Rod of Asclepius as part of their logos

26 August 2020

• 14:4214:42, 26 August 2020 diff hist 0 m Contemporary Youth Orchestra Corrected Mary-Kay Fink's name

17 April 2020

• 22:1522:15, 17 April 2020 diff hist +2 Timeline of electromagnetism and classical optics Corrected chart legend from Morse code to International Morse Code (Continental Code), which is different from Morse and Vail's code.
• 22:1222:12, 17 April 2020 diff hist +32 Timeline of electromagnetism and classical optics No edit summary

10 May 2019

• 17:0517:05, 10 May 2019 diff hist +84 Keesler Air Force Base Added previous site of radar training facility, the Boca Raton Army Air Force Base.

7 May 2019

• 03:1203:12, 7 May 2019 diff hist +274 Microdot Added to popular culture section an episode of the 1960s British television spy series "The Avengers."

21 April 2019

• 20:4020:40, 21 April 2019 diff hist +11 Heterodyne →Superheterodyne receiver: Added clarifying word Tags: Mobile edit Mobile web edit

21 August 2018

• 18:1718:17, 21 August 2018 diff hist +423 WWV (radio station) State and give references for proposed defunding of WWV and WWVH.

22 April 2018

• 15:1015:10, 22 April 2018 diff hist +192 Talk:Metrication in the United States Mentioned in "talk" changes in definitions of nautical mile.

29 September 2017

• 15:5915:59, 29 September 2017 diff hist +240 Morse code Added two references for Morse code as an assistive technology.

10 July 2017

• 10:3310:33, 10 July 2017 diff hist +31 Morse code Added material on Radiotelegraph Operator test content. Corrected "certificate" to "license" for this (FCC definition, different from FAA certificates)

15 January 2017

• 16:4416:44, 15 January 2017 diff hist −70 AM stereo Removed site in References that, despite name, is now cosmetic advertisement.

9 January 2017

• 13:5113:51, 9 January 2017 diff hist +32 Federal Communications Commission Citation given for amateur volunteer examination history
• 13:4213:42, 9 January 2017 diff hist +251 Federal Communications Commission To section on amateur radio: Added "volunteer" to description of examining organizations. Noted that Morse code examinations are no longer administered for any amateur licenses.

8 January 2017

• 21:5421:54, 8 January 2017 diff hist 0 m Flying Division, Air Training Command corrected typo (prank?) mulch-engine to multi-engine. Tags: Visual edit Mobile edit Mobile web edit

28 December 2016

• 14:5514:55, 28 December 2016 diff hist −4 H2X Corrected name "Pathfinder missions" from erroneous reference to unrelated page on Mars Pathfinder mission.

16 October 2016

• 01:5201:52, 16 October 2016 diff hist −2 m Bhumibol Adulyadej Amateur radio callsign corrected (spaces removed)

26 February 2016

• 16:5316:53, 26 February 2016 diff hist +121 Talk:Emanuel Ax Added birthplace datum

16 February 2016

• 13:3813:38, 16 February 2016 diff hist −43 Capacitor Removed a small, humorous vandalism.

18 January 2016

• 19:2519:25, 18 January 2016 diff hist +160 Talk:Emanuel Ax May be able to answer question of birthplace soon.
• 16:1916:19, 18 January 2016 diff hist −24 Emanuel Ax Corrected birthplace. Correction is in accordance with Axe's official web page biography.

18 August 2015

• 18:0218:02, 18 August 2015 diff hist +214 Eights on pylons Added mention of required teaching and demonstration of this in the flight instructor's practical test.

17 September 2014

• 15:3615:36, 17 September 2014 diff hist −13 Capacitor types Removed "seldom used" on line about types of capacitor. These types are used, especially the air and vacuum variable types.

13 August 2014

• 16:0416:04, 13 August 2014 diff hist +85 Morse code Described the difference between code group test and plain language, open-text test.

27 May 2014

• 00:2000:20, 27 May 2014 diff hist +71 Lemon Mentioned that lemon juice may be used as heat-developed invisible ink.

20 March 2014

• 15:5715:57, 20 March 2014 diff hist +570 Talk:Skywave →History: new section

14 February 2014

• 00:1100:11, 14 February 2014 diff hist +24 Morse code Completed QST reference in assistive technology section.

13 February 2014

• 18:2718:27, 13 February 2014 diff hist +62 Morse code Added QST reference to "assistive technology" section.