Under Construction
QRP Station: Construction is underway to install 1296-MHz equipment on the 4.9 meter dish. The dish will be fitted with a septum feedhorn, two-stage LNA, 6 watt driver and 60w solid-state power amplifier. This will permit running less expensive 1/2-inch hardline to the dish. Photos from Fall 2005 of the 2.4 meter dish with Septum Feedhorn installed (click to see larger image):![]()
Go here for information about the Septum Feed. Spring 2009 - Update: QRP plans using the 60w amplifier mentioned above will likely be the first 1296 MHz EME operation on the 4.9m dish. I sold my GI-7b and TH-328 PA's to raise funds to purchase the 300w solid-state amplifier kit marketed by W6PQL. Go to the new 1296 Amplifier Page for details and photo's documenting construction and testing of this kit. Summer 2010 - Update: The dish mount permits az-movement starting from 035-131, 132-236, and 237-330 degrees stepped in roughly 90-degree increments. Elevation is from 0.5 to +88 degrees. Awaiting delivery of new DEMI 1296-28 transverter (est. August 2010). DEMI 1296-144 sold. A paper describing the construction of the dish was presented at the 2010 International EME Conference in Dallas, Texas. (2.4 Mb pdf) Updated 1296 MHz EME Station Layout:
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The 4.9 meter dish (16-foot) Assembly completed September 21, 2008: Link to Construction history photos. Calibrating digital encoders with a Sun Shot:
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