1) Greenwich hour angle 2) Navigation initials 3) Uncommon Latin letter 
The letter Ƣ (minuscule: ƣ) has been used in the Latin orthographies of various, mostly Turkic languages, such as Azeri or the Jaŋalif orthography for Tatar. It usually represents a voiced velar fricative [ɣ] but is sometimes used for a voiced uvular fricative [ʁ]. All orthographies using it have been phased out, so the letter is not well-sup...
(from the article `Arabian Desert`) ...more, thus nourishing xerophytes (plants adapted to survive under arid conditions). Shrubs unique to the area, called `abl and gha, send out long, ...
Ghana
Greenwich hour angle.