E/// RBS level Latitude ,Longitude conversion format

[electron]

Hi friends,


Does anybody know how to convert RBS level value for latitude and longitude in E/// NodeB to usable format in Google earth (decimal degree,... format).


Thanks

[shahram]

Hi,
The coordinate you mentioned is in WGS84/UTM format, use converters to convert it to WGS/GEO format,
here is an example:
http://www.rcn.montana.edu/resources/tools/coordinates.aspx


Shahram

[wernfried]

Conversion according E******* docs is this one

Latitude:
Degrees of Latitude (LaN): [0..2^23 -1] with LaDeg = (90*LaN)/2^23 degrees
Unit: Degrees of latitude.
Range: 0..8388607

Longitude:
Degrees of Longitude (LoN): [-2^23..2^23 -1] with LoDeg = (360*LoN)/2^24 degrees
Unit: Degrees of longitude.
Range: -8388608..8388607

Best Regards

[ltecity]

Simple Formula:

OSS Lat= (Lat/90)*8388607
OSS Long=(Long/90)*16777216

[electron]

lets try it practically i think it does not work i saw this one in Alex too. I would be appreciated if share a sample conversion here
Simple Formula:

OSS Lat= (Lat/90)*8388607
OSS Long=(Long/90)*16777216

[ltecity]

Its working fine in our OSS.

[electron]

your mentioned formula OSS Long=(Long/90)*16777216 was wrong it should be OSS Long=(Long/360)*16777216
Its working fine in our OSS.

[ltecity]

You are right @Electron.
I have cross verified.

[Optimustron]

Excuse me, I'm not sure if I can help with this, in LAT/LON and DEGREES there are 3 ways to put coordinates, first is Decimal Degrees DD.DDDDD, second is Decimal Minutes DD MM.MMM and at last is Decimal Seconds DD MM SS.SS, the way to change from one kind to another is simple for example: -90.46567 14.35384 in DECIMAL DEGREES to DECIMAL MINUTES yo need to multiply only the decimal part of the number by 60 (60*0.46567 and 60*35384) and you get -90 27.9402 and 14 21.2304, to change it to DECIMAL SECONDS You take again the decimal part, this time from the DECIMAL MINUTES and multiply the decimal part by 60 (60*0.9402 and 60*0.2304) and you get -90 27 56.412 and 14 21 13.824. By the way if you need to go backward for example from W91 25 27.39 N15 18 28.53 then you need to divide in first place the DECIMAL SECONDS by 60 (27.39/60 and 28.53/60) then you add this decimal part to the minutes and you get DECIMAL MINUTES W91 25.4565 N15 18.4755 and finally you can get DECIMAL DEGREES only dividing the DECIMAL MINUTES by 60 (27.4565/60 and 16.4755/60) then you add this decimal part to the degrees and you get DECIMAL DEGREES W91.424275 N15.307925. Another thing for North hemisphere the LATITUDE is N and you put POSITIVE degrees from 0 to 90, for South hemisphere the LATITUDE is S and you put NEGATIVE degrees from 0 to -90. For Longitude the reference is GREENWICH for WEST of this like AMERICAS, you put NEGATIVE degrees from 0 to -180 and for EAST of GREENWICH you put POSTIVE DEGREES from 0 to 180. At last GOOGLE EARTH DATUM and PROJECTION is in WGS84, then you need that PROJECTION and DATUM in order to get the right answers and points over the earth. I hope this can be helpful, best regards,