English Deutsch Français Italiano Español Português 繁體中文 Bahasa Indonesia Tiếng Việt ภาษาไทย
All categories

1 answers

Cooper's Law states that the number of radio frequency conversations which can be concurrently conducted in a given area has doubled every 30 months since Marconi's spark gap transmitter.
BTW, does Phil. stand for Philadelphia or Philately?

2007-11-04 08:14:44 · answer #1 · answered by Menehune 7 · 1 0

fedest.com, questions and answers