What does sgm stand for?
sgm stands for "Spark-gap Modulation"
How to abbreviate "Spark-gap Modulation"?
"Spark-gap Modulation" can be abbreviated as sgm
What is the meaning of sgm abbreviation?
The meaning of sgm abbreviation is "Spark-gap Modulation"
What does sgm mean?
sgm as abbreviation means "Spark-gap Modulation"
