Findings:

• Skytrain Frequencies
• The allele frequency game
• Automatic Frequency Control
• Larmor frequency
• Global Frequency
• Clock frequency
• Full Frequency Range Recordings
• The Low Frequency in Stereo
• Frequency Curve
• So Many Frequencies
• frequency divider
• 7 hertz - the resonant frequency of a chicken's skull
• calling frequency
• brain wave frequencies
• numerical frequency
• carrier frequency
• Nyquist frequency
• radio frequency heating
• VHF Cordless Telephone Frequencies
• high frequency blade
• frequency deconfliction
• English Frequency Word List
• Frequencies
• Common Traffic Advisory Frequency
• Fundamental frequency
• gene frequency
• Secret Service Frequencies by User Name
• Resonant frequencies are cool
• relative frequency
• What's The Frequency, Kenneth? (e2poll)
• Frequency hopping
• frequency distribution
• plasma frequency
• variable frequency drive
• The frequency of blue
• resonant frequency
• frequency spectrum
• frequency specter
• frequency modulation synthesis
• Radio Frequency
• frequency analysis
• Frequency modulation
• frequency
• frequency division multiplexing
• Doppler Sex
• Doppler Dilemma
• Christian Doppler
• doppler antenna
• Belladonna Doppler
• Doppler music
• Doppler effect
• English language letter frequencies
• cyclotron frequency
• Radio Frequency Interference
• Letter frequency in several languages
• frequency (user)
• medium frequency
• ultra high frequency
• ultra low frequency
• Frequency domain
• Doppler Radar
• Microwave Frequency Band Designation System
• natural frequency
• critical fusion frequency
• beat frequency
• Earth's frequency
• High Frequency Active Auroral Research Program
• Radio Frequency Spectrum
• What's the Frequency Kenneth?

If you Log in you could create a "doppler frequency" node. If you don't already have an account, you can register here.