User contributions for BillHart93

9 October 2023

• 21:3121:31, 9 October 2023 diff hist −82 Benchmarking (hobby) →Sources of data on U.S. marks: Note that geocaching.com no longer has benchmark category.
• 21:2621:26, 9 October 2023 diff hist +73 C.S.P.S. Hall (Cedar Rapids, Iowa) Update name of non-profit
• 20:5920:59, 9 October 2023 diff hist −1 Burt's solar compass →Construction and operation: Two lines for orientation, two for time

21 January 2020

• 02:3702:37, 21 January 2020 diff hist −1,604 User talk:BillHart93 →ArbCom Elections 2016: Voting now open!
• 02:3502:35, 21 January 2020 diff hist −1,652 User talk:BillHart93 →ArbCom 2017 election voter message
• 02:3502:35, 21 January 2020 diff hist −1,654 User talk:BillHart93 →ArbCom 2018 election voter message

4 August 2018

• 15:2015:20, 4 August 2018 diff hist +618 Gunter's chain →Method: Cite inclusion of handle in measurement

2 August 2018

• 01:1101:11, 2 August 2018 diff hist −158 Gunter's chain →Method: Revert unsourced statement that appears to contradict photo with short link near handle. Some if not most link chains include handles in the measurement.

15 July 2018

• 14:1014:10, 15 July 2018 diff hist −3 m Geodetic datum →Defining and derived parameters: spelling

3 July 2018

• 12:3012:30, 3 July 2018 diff hist −118 Black Elk Peak Undid revision 848484369 by Redditaddict69 (talk) Redundant: Appalachians are east. Tag: Undo

24 March 2018

• 20:0820:08, 24 March 2018 diff hist −129 National Geodetic Vertical Datum of 1929 Undid revision 832094062 by Special:Contributions/2600:1:9713:47BA:E5BF:68B9:6342:50FE Adds no information. Tag: Undo

13 February 2018

• 04:3004:30, 13 February 2018 diff hist +342 Orthometric height Segregate US discussion to make slightly more international.

27 November 2017

• 16:1116:11, 27 November 2017 diff hist +1 Meniscus (liquid) Undid revision 812342460 by Itslynn (talk) One estimated digit is normally used.

26 July 2017

• 04:2104:21, 26 July 2017 diff hist +68 Black Elk Peak Undid revision 791862474 by 64.33.93.234 (talk) Article is factual and acknowledges former name. Please quit changing name.
• 04:1804:18, 26 July 2017 diff hist +2 Black Elk Peak Undid revision 791862694 by 64.33.93.234 (talk) working back to July 21 ver
• 04:1604:16, 26 July 2017 diff hist −6 Black Elk Peak Undid revision 791994706 by Ironshield34 (talk) Working back to July 21 ver.

18 July 2017

• 14:4814:48, 18 July 2017 diff hist +209 Mason–Dixon line →In popular culture: Add introductory sentence acknowledging multitude of references.

11 July 2017

• 18:2218:22, 11 July 2017 diff hist +48 Black Elk Peak Undid revision 790094909 by 64.33.93.234 (talk) If you don't like it talk to the Board of Geographic Names.
• 18:2018:20, 11 July 2017 diff hist 0 Black Elk Peak Undid revision 790095367 by 63.153.185.177 (talk)

13 June 2017

• 20:4120:41, 13 June 2017 diff hist +7 Wayne County, Iowa →Unincorporated communities: Put back Sewal without link.

30 April 2017

• 22:2222:22, 30 April 2017 diff hist +268 C.S.P.S. Hall (Cedar Rapids, Iowa) Add Legion Arts ref

28 April 2017

• 15:3315:33, 28 April 2017 diff hist +1 Levelling Undid revision 777651852 by 84.169.111.115 (talk) unreferenced change from 100m value often seen in books.

26 April 2017

• 01:1501:15, 26 April 2017 diff hist +366 Talk:Levelling →Errata =: Statement seems vague but correct.

21 April 2017

• 14:5914:59, 21 April 2017 diff hist +214 Talk:High-leg delta →What countries
• 14:2314:23, 21 April 2017 diff hist +356 Talk:High-leg delta →What countries

14 April 2017

• 14:4314:43, 14 April 2017 diff hist +324 Mason–Dixon line Undid revision 775307407 by Tedickey (talk) Restore deleted paragraph

12 April 2017

• 22:4622:46, 12 April 2017 diff hist +6 Black Elk Peak Undid revision 775082829 Historical name is acknowledged.

21 March 2017

• 20:0920:09, 21 March 2017 diff hist +14 Meniscus (liquid) Undid revision 771446959 by 85.133.79.201 (talk) 20.00 has correct significant figures, last one estimated between divisions

7 February 2017

• 17:3317:33, 7 February 2017 diff hist −2 Black Elk Peak Slight rewording.

10 January 2017

• 04:4504:45, 10 January 2017 diff hist +491 Talk:Mason–Dixon line →Reference to the line in popular culture

6 January 2017

• 06:0106:01, 6 January 2017 diff hist +959 Talk:Theodolite →Zenith angles: Diagram is correct.
• 00:0200:02, 6 January 2017 diff hist −147 Theodolite Revert edit that confused axes - see diagram labels for correct terms.

19 December 2016

• 21:5221:52, 19 December 2016 diff hist +332 Black Elk Peak Add new measurement.

16 December 2016

• 15:1715:17, 16 December 2016 diff hist +209 Degree of curvature →Usage: generic units in example and radius for chord def, link radius of curvature article, delete "normalizing"

12 December 2016

• 04:0904:09, 12 December 2016 diff hist −1 North American Datum →Comparing NAD27 to NAD83: typo
• 04:0804:08, 12 December 2016 diff hist +58 North American Datum →Comparing NAD27 to NAD83: Clarify how coords might be misused and more precise shifts. Note map shows magnitude but not direction of shift.

22 November 2016

• 17:1117:11, 22 November 2016 diff hist +48 Black Hawk (Sauk leader) Undid revision 750913775 by 104.251.65.240 (talk) unexplained deletion

12 November 2016

• 08:4908:49, 12 November 2016 diff hist +111 Geodetic datum →Reference datums: Explain NAD27 need for geoid assumption

24 September 2016

• 16:1416:14, 24 September 2016 diff hist −165 Mason–Dixon line Undid revision 740177121 by 24.114.69.175 (talk) We can't list the thousands of M&D line mentions that have so little connection.

10 September 2016

• 15:3115:31, 10 September 2016 diff hist +1 Meniscus (liquid) Undid revision 738240793 by 72.21.99.251 (talk) Unsourced changed, probably wrong.

2 September 2016

• 13:4613:46, 2 September 2016 diff hist −21 Theodolite Revert unsourced cost; probably inaccurate or at best representing one model out of wide range.

2 August 2016

• 13:1813:18, 2 August 2016 diff hist −243 Gunter's chain →Description: Simplify wording. Delete square links area which is not commonly expressed.

29 June 2016

• 12:5612:56, 29 June 2016 diff hist +370 Talk:Mason–Dixon line →Notes on "popular culture": Similar names shouldn't qualify.

9 June 2016

• 14:0314:03, 9 June 2016 diff hist +295 Mason–Dixon line Undid revision 724299182 by ElKevbo (talk) It's relevant.

19 April 2016

• 17:2317:23, 19 April 2016 diff hist +29 Dynamic height Field measurements need correction for either dynamic or orthometric
• 17:1817:18, 19 April 2016 diff hist +312 Dynamic height Add Great Lakes Datum

14 March 2016

• 03:3103:31, 14 March 2016 diff hist +81 Theodolite Undid revision 709790041 by Dima st bk (talk)Total station is a modern class of theodolite.

7 March 2016

• 19:5219:52, 7 March 2016 diff hist −9 Sullivan Line →Sullivan's survey: Delete 12 mile incorrect drift.

5 March 2016

• 22:4422:44, 5 March 2016 diff hist +307 Sullivan Line New section Retracements, clean up refs.
• 21:4821:48, 5 March 2016 diff hist +6 Sullivan Line →Sullivan's survey: fix end ref tag