What does SG 4 stand for?
SG 4 stands for "ITU-R Study Group 4"
How to abbreviate "ITU-R Study Group 4"?
"ITU-R Study Group 4" can be abbreviated as SG 4
What is the meaning of SG 4 abbreviation?
The meaning of SG 4 abbreviation is "ITU-R Study Group 4"
What does SG 4 mean?
SG 4 as abbreviation means "ITU-R Study Group 4"
