Here I use a basic 8 port antenna selector designed to my specifications by a ham friend of mine. The circuit boards are professionally etched and are equipped with chassis mount "F" female connectors. The single, 8 port boards can be daisy chained for 16, 24, etc. antennas selections.
At this QTH the Beverage antennas are remotely controlled via the Green Heron 2 GHz system at a distance of nearly 1/2 mile. Currently the system is comprised of 19 separate antennas, each RF split 3 ways, with each split antenna selection fed to one of three separate groups of three of the above described boards. Results are at three operating positions each op has independent, totally separate control and visual readout of the direction and labeling of any of the 19 antennas. The visual is provided by a programmable compass rose on the computer display screen. Selection is by either clicking with the mouse which provides instant, opposite direction selection for an example, or via a USB rotary switch for normal step by step selection of the antennas. I have no connection with Green Heron other than I am in love with the upgrade of control capability their system has provided for my remote Beverage farm. It is so nice to have retired the old DTMF and basic CPU type controllers and control lines. 73, and good luck de Milt, N5IA -----Original Message----- From: W0UCE Sent: Wednesday, December 28, 2011 8:29 AM To: [email protected] Subject: Topband: RX antenna switch A new computer controlled RX or TX Antenna switch will be on the market in about a month. It will control up to 10 antennas or any other contact closure selection device with the click of a mouse. Users will be able to assign GUI designators to each port. Example for beverage selection the user may want to designate: NE, North East, EU, 45 or any other designator of choice... I have a prototype at my QTH and am doing field trial now. Details will be announced on Top Band and other venues. 73, Jack _______________________________________________ UR RST IS ... ... ..9 QSB QSB - hw? BK ----- No virus found in this message. Checked by AVG - www.avg.com Version: 2012.0.1901 / Virus Database: 2109/4707 - Release Date: 12/27/11 _______________________________________________ UR RST IS ... ... ..9 QSB QSB - hw? BK
