APD
Weather
On a buoy report, the average wave period (seconds) of all waves during the 20-minute period.
Telecommunications
Abbreviation for avalanche photodiode. Note: apd and a.p.d. are also used.
On a buoy report, the average wave period (seconds) of all waves during the 20-minute period.
Abbreviation for avalanche photodiode. Note: apd and a.p.d. are also used.