The meaning of the Acronym SWL is...

SWL is

• Safe Working Level

More Meanings For SWL:

• Short Wave Listening
• Short Wave Listener
• Short Wavelength Limit
• Safe Working Load
• Spencerport Wrestling League
• Sgl Widget Library
• Safe Working Level
• Shooters Without Law
• Short Web Language
• A Signal Wave Letters
• Short Wave Listeners

SWL is also in:

• Amateur Radio
• Electronics
• Environmental
• Funnies
• General
• Software
• Sports
• Unfiled