User contributions for Tim Zukas
Results for Tim Zukas talk block log uploads logs global block log global account filter log
A user with 5,034 edits. Account created on 3 August 2010.
12 August 2010
- 17:2717:27, 12 August 2010 diff hist +923 Transverse Mercator projection →Meridian distance: add Bowring's 1983 formulas
- 16:4816:48, 12 August 2010 diff hist +503 Talk:Geographical distance →About the singularity and discontinuity of latitude/longitude
11 August 2010
- 23:0323:03, 11 August 2010 diff hist −3 Donner Pass →Railroad & Donner Pass: corrected reference to Shed 26
- 22:5622:56, 11 August 2010 diff hist +652 Talk:Transverse Mercator projection →More formulas for meridian distance and Transv Mercator: new section
- 22:4022:40, 11 August 2010 diff hist +13 m Geographical distance →Vincenty's formulae
- 22:3422:34, 11 August 2010 diff hist +1,049 Talk:Geographical distance →About the singularity and discontinuity of latitude/longitude
- 22:1022:10, 11 August 2010 diff hist +26 m Geographical distance →Other formulae: include link for great-circle calculation on the sphere
- 22:0022:00, 11 August 2010 diff hist +4 m Vincenty's formulae →Vincenty's modification
- 21:4321:43, 11 August 2010 diff hist +216 List of the busiest airports →Historical claims: add note on airline schedule count in 1939
10 August 2010
- 21:4621:46, 10 August 2010 diff hist +147 Los Angeles International Airport →History: elaboration of early 1950s expansion
- 21:0521:05, 10 August 2010 diff hist +232 Talk:John F. Kennedy International Airport →Location
- 20:5420:54, 10 August 2010 diff hist +13 m John F. Kennedy International Airport →Construction
- 20:4820:48, 10 August 2010 diff hist +42 m Rhumb line →Mathematical derivation: removed the confusing lambda-comma-y in the formulas
- 20:2220:22, 10 August 2010 diff hist +429 Donner Pass Add lat-lons for several locations to aid in finding them on online maps
- 17:4617:46, 10 August 2010 diff hist +88 Talk:Great-circle distance →"Vector solution (non-singular)"
- 17:4517:45, 10 August 2010 diff hist +278 Talk:Great-circle distance →"Vector solution (non-singular)": new section
- 17:1417:14, 10 August 2010 diff hist +17 m Geographical distance →Other formulae
- 17:0317:03, 10 August 2010 diff hist −35 Donner Pass →Railroad & Donner Pass: pruned more verbiage
- 17:0117:01, 10 August 2010 diff hist −152 Donner Pass →Railroad & Donner Pass: correct reference to Shed 41, and prune verbiage
- 16:4816:48, 10 August 2010 diff hist +96 Donner Pass correction about 1952 passenger train stranded in snow
- 16:4216:42, 10 August 2010 diff hist +83 List of the busiest airports →Historical claims: add reference for 1940s busiest
9 August 2010
- 21:1121:11, 9 August 2010 diff hist +245 Ruling gradient →Compensation for curvature: add example of a compensation formula
- 20:5920:59, 9 August 2010 diff hist +1 Geographical distance →Other formulae
- 20:5320:53, 9 August 2010 diff hist +242 Geographical distance →Other formulae
- 20:2620:26, 9 August 2010 diff hist +521 Geographical distance →Other formulae: add link and explanation of Bowring's formulas
- 18:5018:50, 9 August 2010 diff hist +350 Talk:Great-circle distance →Dot product
- 18:3318:33, 9 August 2010 diff hist +107 Great-circle distance →Worked example: add comparison to distance calculated on the spheroid
- 18:1818:18, 9 August 2010 diff hist +176 Talk:Vincenty's formulae No edit summary
- 18:0918:09, 9 August 2010 diff hist +21 m Geographical distance →Vincenty's formulae
- 18:0618:06, 9 August 2010 diff hist +637 Geographical distance →Vincenty's formulae: add note about calculation of near-antipodal distances, and simpler formulas
- 17:4117:41, 9 August 2010 diff hist −162 San Francisco International Airport →History: delete error about 1930s Pan Am transpacific flights, which didn't use SFO
- 17:3517:35, 9 August 2010 diff hist +242 Atchison, Topeka and Santa Fe Railway →Ferry service
- 17:1617:16, 9 August 2010 diff hist −162 Donner Pass →Railroad & Donner Pass: add note about double-stack trains over Donner
- 16:3916:39, 9 August 2010 diff hist +223 List of the busiest airports →Historical claims: corrected Chicago Midway history
- 00:4500:45, 9 August 2010 diff hist +165 Detroit Metropolitan Airport →History: add link to historical aerial photo index
8 August 2010
- 23:5923:59, 8 August 2010 diff hist +31 San Francisco International Airport →Operations, expansion, retreat, and recovery: clarification of runway separation (and runway use during cloudy weather)
- 23:2923:29, 8 August 2010 diff hist +293 John F. Kennedy International Airport →Development: corrected claim that Newark had been busier than JFK before the 1980s
- 23:1323:13, 8 August 2010 diff hist −319 Cajon Pass Delete reference to "narrow gorge" (topo maps show it doesn't exist, unless it refers to the railroad cut itself); also delete now-superfluous reference to 50-ft change in elevation in 1972
- 23:0523:05, 8 August 2010 diff hist −1 m Cajon Pass →Rail transport
- 23:0423:04, 8 August 2010 diff hist +42 Cajon Pass →Rail transport: Add SP 1967 date-- correct highway "closely" following railway-- clarify train speeds
- 22:4322:43, 8 August 2010 diff hist +48 Talk:John F. Kennedy International Airport →The "KIA" code
- 22:4122:41, 8 August 2010 diff hist +87 Talk:John F. Kennedy International Airport →The "KIA" code
- 02:3102:31, 8 August 2010 diff hist +1 m Newark Liberty International Airport →Facilities
- 02:3002:30, 8 August 2010 diff hist +171 Newark Liberty International Airport →Facilities: Actual runway centerline-to-centerline distance will come out closer to 950 ft on the online map/photo sites, Google Earth etc.
7 August 2010
- 00:0600:06, 7 August 2010 diff hist +40 Talk:Los Angeles International Airport →LAX to LGA Direct Flights
- 00:0500:05, 7 August 2010 diff hist +178 Talk:Los Angeles International Airport →LAX to LGA Direct Flights
5 August 2010
- 22:5922:59, 5 August 2010 diff hist +287 Los Angeles International Airport →History: correct airline history at LA-area airports
- 16:5016:50, 5 August 2010 diff hist +397 Cylinder (locomotive) →Crank angles: added note about crank angles on 3-cyl engines
4 August 2010
- 21:3621:36, 4 August 2010 diff hist +724 Talk:Cajon Pass →The former SP Line
- 01:5001:50, 4 August 2010 diff hist +1,051 Talk:Cajon Pass →Hight of Cajon Pass and Cajon Summit
