What does ULF stand for?

Ultra-Low-Expansion (SAUS)

Ultralow Frequency

United Labour Front - Trinidad and Tobago (PD)

United Left Front - Nepal - Political party (EY)

United Leukemia Fund - Medicine (EDAA)

United Leukodystrophy Foundation (EA)

University Labour Federation - British

Uplink Frequency (SAUS)

Upper Limiting Frequency (ADA)

Urban Land Foundation (EA)

Usku - Language code (ETLW)