OzarkCon 2008
Why a Long Wave Talk at a
QRP Conference?
Long Wave Spectrum
Types of Signals
300 Hz to 30 kHz
Man Made Signals
Military
Navigation Signals
TV Horizontal Sync.
Oscillators
The Power Grid!
Spectrogram of Man Made
Signals
More Man Made Signals
Natural Emissions
‘Spherics
Spectrogram of ‘Spherics
Tweaks
Spectrogram of Tweaks
Whistlers
Spectrogram of Whistlers
Dawn Chorus
Spectrogram of Dawn
Chorus
Other Emissions
Spectrogram of Unusual
Emissions
How To Listen
E-Field Probe Receiver
E-Field Probe Receiver
Example
E-Field Probe Receiver
Kit
Commercial Receiver
H-Field Probe Receiver
Superheterodyne Receiver
Example
Amplifier
Recording
Recording
Analyzing Software
Analyzing Software
Analyzing Software
Other Bands of Amateur
Interest
LowFER Example
QSL From LowFER Station
Useful Web Links
References
"73"