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K4VZZ Amateur HAM Radio

By: Chief Operator Gary Smith Having fun with shortwave radio transmissions and repeption World wide using voice, cw, and digital modes.

HF Modes of operaton

Power levels vary from milewats to 1500 watts depending on mode and band.

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SINGLE SIDE BAND

Single side band voice can be used at medium to high power levels on all amateur bands in the HF region spectrum. The HF ham bands are subject to propagation variation which allow communication to points of great distance  around the world.

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CW WAVE MORIS CODE

Continus Wave (CW) alows use of international code transmissions which can cut through noise and faiding to allow communication in difficult conditions. Speeds of a few words per minute sent with key to 100 words per minute using computer  and keyboard.

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10 WATT DIGITAL 

A low power narrow bandwidth digital mode which shares clock time for timing transmissions. Transmission are auto controled based on even and odd clock interval of 60 seconds.  Grid Square and signal report are exchanged to conferm contact. Limited text is also posible.

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30 WATT PSK

PSK is a narrow bandwith mode for sending longer lengths of text data. 

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VHF FREQUENCY MODES

50  mhz up to 1240 mhz!

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