Propagation
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Solar X-rays:
Geomagnetic Field:
From
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Solar Information
12-hour Boulder-NOAA Magnetometer Monitor
- dynamically updated every minute
Aurora Sentry
Latest Solar Events
- [Solar Soft]
Predicted Sunspot Numbers and Radio Flux
- [NOAA]
Solar Observables
- [DX QSL Net] Current SFI, A and K vlaues from WWV
Solar Resource Page
- [WM7D dot Net]
Solar Terrestrial Activity Report
- [DX-Listeners' Club]
Space Weather
- News and information about the Sun-Earth environment
Propagation Charts
Near-Real-Time F2-Layer Critical Frequency (foF2) Map
Near-Real-Time Maximum Useable Frequency (MUF) Map
Background Information
Ionospheric HF Radio Propagatioin Theory in a Nutshell
An explanation by Rich Johnson, AE3C
The Sun, the Earth, the Ionosphere; What the Numbers Mean...
An explanation by Carl Luetzelschwab, K9LA
DX Spots
OH2AQ DX Summit
<
No frames version
>
HF
1.8
MHz
3.5
MHz
7
MHz
10
MHz
14
MHz
18
MHz
21
MHz
24
MHz
28
MHz
VHF
plus
50
MHz
144
MHz
430
MHz
1.2
GHz
10
GHz
Misc.
Beacon
Digital
IOTA
QRP
Satellite
Live & Recorded Audio
Dallas, TX
13-Miles North of Salt Lake City, Utah [
Live
] or [
Recorded DX
]
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Last Modified: Saturday, 29-Mar-2008 18:53:34 EST