From 65eca09b19e86dc7fb6869a588238e8c515ce09e Mon Sep 17 00:00:00 2001 From: Peter Selby Date: Thu, 19 Apr 2018 16:52:33 -0400 Subject: [PATCH] update README --- Specification/README.md | 16 +++++++++------- 1 file changed, 9 insertions(+), 7 deletions(-) diff --git a/Specification/README.md b/Specification/README.md index f2988fd6..d548a3c8 100644 --- a/Specification/README.md +++ b/Specification/README.md @@ -204,17 +204,19 @@ Timestamp UTC|yyyy-MM-ddThh:mm:ssZ|2017-06-16T20:47:23Z ### Location coordinate encoding -To encode locations as coordinates, the ISO 6709 standard is used, degree notation only. +To encode locations as coordinates, the ISO 6709 standard is used, degree notation only. WGS84 is used as the geodetic datum spatial reference system. -||Format|Example| -|---|---|---| -|latitude|ħDD.D|"+40.20361"| -|longitude|ħDDD.D|"-075.00417"| +||Unit|Format|Example| +|---|---|---|---| +|latitude|degrees|ħDD.D|"+40.20361"| +|longitude|degrees|ħDDD.D|"-075.00417"| +|altitude|meters|ħM|"+127"| Note: + Plus and minus signs are always required - + Latitude has two digits before the decimal separator (with leading zeroes when necessary) - + Longitude has three digits before the decimal separator (with leading zeroes when necessary) + + Latitude has two digits before the decimal separator (with leading zeros when necessary) + + Longitude has three digits before the decimal separator (with leading zeros when necessary) + + Altitude is recorded in meters above the WGS84 reference ellipsoid (no leading zeros) ### Search Services