QRN: Difference between revisions
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[[What causes QRN?]] | [[What causes QRN?]] | ||
{{propagation}} |
Revision as of 18:37, 8 April 2009
QRN is "natural interference", as opposed to QRM - "man-made interference".
QRN is higher on the long wavelength bands (160, 80, 40), especially at night.
Propagation and radio wave theory | |
Propagation | Aurora * E-Skip * IPS * Lightning scatter * Meteor scatter * Satellites * Trans-Equatorial Propagation * Tropospheric ducting |
Interference | QRM * QRN |
Theory | Electromagnetic Waves * Frequency Wavelength and Period |