Welcome to the 1520 Perfect Dictionary

Click on any title to read the full article

Janus technique
JANUS TECHNIQUE

Definition: A method used by aircraft for measuring ground speed, utilizing the Doppler signal by radiating microwave signals forward and backward, and subtracting the echo time of the aft beam from the fore beam.
___________________________________


.. >> NOT APPLICABLE.


See perfect technique (1).
____

See perfect use (1).

See perfect method (1).

See perfect use (2).
____

See perfect subtraction.
____

See perfect measurement (1).

1520 Products

1520 Products was established in 2005 with the purpose of entertaining and teaching us on key and important aspects of life (such as marriage, sex, etc) through the playing of games which will allow us to laugh but at the same time pass a message of what is the right or ideal way.

1520 Sex Game

1520 Puzzles

1520 Marriage Game