Taking the official TSL Timing sector map for BSB Donington Park National as an example:

Name	Position	Latitude	Longitude
Start / Finish Line	0m	52.82971 N	1.37867 W
Sector 1	941m	52.83226 N	1.37893 W
Sector 2	2096m	52.82978 N	1.36508 W
Sector 3	2641m	52.82866 N	1.37129 W

Unfortunately, i2M uses DM (Degrees Minutes) not Decimal Degrees. So we need to convert Decimal Degrees to Degrees Minutes. This requires a bit of basic math and moving zeros about to satisfy i2M’s none standard format. Thankfully though.. we have created a table below that does this calculation for you…

Note:

Longitude W and Latitude S are negative numbers. 
Example : So 1.37867 W is -1.37867 in decimal form

Convert TSL Decimal format to i2M Degree Minutes

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Using the Latitude - DMS and Longitude - DMS values we can easily use the Map tool in Danas Pro to plot the sectors and finish line.

Example : Donington Nation Circuit

Using the decimal values from the TSL Timing sector table we can populate the start / finish line and sectors 1-3:

Result when viewing lap data in Danas Pro
Sectors are shown on the graph and mini map