The VBI-360 is an electronic display that connects to your RS232 serial port or existing rotor control box to show your antenna's directive pattern on a Great Circle map. As you rotate your beam its coverage is clearly indicated by a selectable group of LEDs around the map periphery.
As seen in Funkamateur Magazine (December 2010, page 1294) and QST Magazine (April 2010, Vintage Radio Column, page 94 and February 2010, page 112) and CQ Magazine (January 2009, page 73)!
Standard Products & Services: Serial & Analog input displays, Maps & Restorations for first generation displays.
Options: VBI PLUS - for SteppIR, Serial Port (RS232) interface, 90 Degree Offset Indicator
“In my opinion you can’t go wrong with the VBI-360 Beam indicator or Tom’s service” - K4NFA
The VBI Plus is a joint ham venture between Tom, W3FRG and Robert, DK7NT.