NVIS - Near Vertical Incidence Skywave

Near Vertical Incedence Skywave or NVIS is a antenna configuration used for reliable local to regional HF communications on 160, 80, 60, & 40 meters. NVIS has a greater range than VHF communications or communications through repeaters, but achieves effective HF radio vomms with little or no infrastructure.
Hello Operators.
In this video we demonstrate NVIS regional communications with JS8Call. We do this to achieve reliable radio connections on 40 and 80 meters. JS8Call has a variety of messaging functionalities built in. Message store and forward, message relays, ... all disgned to work stand-alone, or through the JS8Call MESH network. JS8 is a narrow bandwidth weak signal mode, working extremely well for NVIS ( Near Vertical Incidence Skywave ), and an asset to emergency communications and preparedness. In this video, three stations all within #NVIS range of one another, demonstrate the Messaging capabilities of JS8Call, on 80 meters amateur radio band, using NVIS. This could easily be an amateur radio emergency data network, albeit on 80m HF. My NVIS antenna was set up horizontally, three meters or 11 feet above the ground. it is a 133 foot or 40 meter end fed random wire antenna. For this test, no counterpoise or reflector was used. NVIS works well on both 40 meters and 80 meters. In upcoming videos, we'll demonstrate other combinations of JS8CALL and NVIS on both bands.
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