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K Index, A Index, (SFI) Solar Flux Index, HF Band Conditions, Propagation

7 months ago ReddingProphet1 0
Three major indexes are used by HF Ham operators to interpret probable HF band propagation at any given time – K index, A index and SFI. The Sun is constantly shooting electro-magnetic particles into the Earth’s ionosphere. These particles along with seasonal weather, solar flares and Sunspot activity, combine to create ever-changing, low to severe Read More

HF Frequency Bands from 1.8 to 29.7 Mhz and Ham Radio Q Signals

7 months ago ReddingProphet1 0
The following is a list of the HF Frequency bands from 1.8 to 29.7 Megahertz and also a handy list of common Ham Radio Q Signals. This arrangement is not law or regulation it is simply a consolidation of good practice techniques by the amateur radio community. 160 Meters 1.800 – 2.000 MHz 1.800 – Read More