03:2803:28, 30 December 2022diffhist+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 2022diffhist+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 2022diffhist+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.
21:5121:51, 19 June 2022diffhist+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 2022diffhist+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.
21:4521:45, 31 July 2021diffhist+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.
10:3310:33, 10 July 2017diffhist+31
Morse code
Added material on Radiotelegraph Operator test content. Corrected "certificate" to "license" for this (FCC definition, different from FAA certificates)
13:4213:42, 9 January 2017diffhist+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.
14:5514:55, 28 December 2016diffhist−4
H2X
Corrected name "Pathfinder missions" from erroneous reference to unrelated page on Mars Pathfinder mission.
03:2803:28, 30 December 2022diffhist+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 2022diffhist+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 2022diffhist+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.
21:5121:51, 19 June 2022diffhist+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 2022diffhist+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.
21:4521:45, 31 July 2021diffhist+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.
10:3310:33, 10 July 2017diffhist+31
Morse code
Added material on Radiotelegraph Operator test content. Corrected "certificate" to "license" for this (FCC definition, different from FAA certificates)
13:4213:42, 9 January 2017diffhist+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.
14:5514:55, 28 December 2016diffhist−4
H2X
Corrected name "Pathfinder missions" from erroneous reference to unrelated page on Mars Pathfinder mission.