Am Mittwoch 22 Dezember 2004 15:38 schrieb Maarten de Boer:
> Another guitar-tuning trick: if you don't have a reference
> tone at hand (and if you don't have absolute hearing), but
> you do have a television, you can use the screen-frequency
> to tune your guitar.
at least in germany, the telephone signal is exactly at 440Hz.
ce
