Welcome to the Homepage of Shaikh Sadaqathullah (VU2 SDU) from India

Wavelength Calculator

Assists HAM RADIO operators in converting a frequency to its wavelength in feet or inches. Other uses include acoustic measurement and adjustment, microphone placement, room tuning, and speaker positioning.
MHz
= ft. (or inches.)

Morse Code

Converts an English word or phrase into it's Morse Code combination of dots and dashes. Analyzing each letter entered individually, as this script demonstrates, is a very useful JavaScript programming technique.
Please type your phrase in plain English

Hertz Converter

Convert between frequency and beats per minute (i.e. 8 octaves lower). Enter a number in either field, then click outside the text box.
Hertz:
Beats per minute:

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