Radio waves have the longest wavelengths in the EM spectrum, according to NASA, ranging from about 0.04 inches (1 millimeter) to more than 62 miles (100 kilometers). … Bands of radio waves. BandFrequency rangeWavelength rangeHigh Frequency (HF)3 to 30 MHz10 to 100 mVery High Frequency (VHF)30 to 300 MHz1 to 10 mWhat Are Radio Waves? | Live Science www.livescience.com › 50399-radio-waves
Read moreIs 2 meter ham band FM?
According to Wikipedia, “The 2 meter amateur radio band is a portion of the VHF (very high frequency) Spectrum, comprising of frequencies stretching from 144.000 MHz to 148.000 MHz.” These communications are generally FM or frequency modulated transmissions although some operators do operate using SSB (single sideband) …
Read moreHow do you use 2m call frequency?
The 2m FM voice calling frequency is 145.500MHz and the 70cm FM voice calling frequency is 433.500MHz. Here’s how to use them: Adjust your radio’s squelch, to be able to hear weak signals (just on the edge between silence and the white noise ‘hiss’ Tune to the calling frequency, and listen to make sure it’s not in use.
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