geo longitude location of where the media has been recorded or produced in degrees according to WGS84 (zero at the prime meridian in Greenwich/UK, negative values for western longitudes)
multimedia grabatu edo ekoiztu den lekuaren geolokalizazioaren longitudea gradutan WGS84 estandarraren arabera (zero meridiano nagusia da Britainia Handiko Greenwich-en, balio negatiboak mendebaldeko longitudeak dira)