You can get latitude and longitude value from online services, such as mapcoordinates.
The methods in subsection are the similar methods. Available methods are:
Karachi: University of Islamic Sciences, Karachi (UISK). Fajr angle: 18.0, Isha angle: 18.0
MuslimWorldLeague: Muslim World League (MWL). Fajr angle: 18.0, Isha angle: 17.0
Egyptian: Egyptian General Authority of Survey (EGAS): 19.5, Isha angle: 17.5
UmmAlQura: Umm al-Qura University, Makkah (UMU). Fajr angle: 18.5, Isha interval: 90
NorthAmerica: Islamic Society of North America (ISNA). Fajr angle: 15.0, Isha angle: 15.0
French: French Muslims (ex-UOIF). Fajr angle: 12.0, Isha angle: 12.0
Singapore: Islamic Religious Council of Signapore (MUIS). Fajr angle: 20.0, Isha angle: 18.0
Russia: Spiritual Administration of Muslims of Russia. Fajr angle: 16.0, Isha angle: 15.0
FixedInterval: Fixed Ishaa Time Interval, 90min. Fajr angle: 19.5, Isha interval: 90 (ramdan: 120)
This settings corresponds to Asr prayer time. For Hanafi madhab, the Asr is bit later than that of the Shafi madhab.
Shafi: Earlier Asr time
Hanafi: Later Asr time