Rectangular Waveguide Feed with Septum Polarizer

Septum feed only = $350.00          Scalar Brackets = $45.00

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4-septums.jpg

4-septums.jpg
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inside.jpg

inside.jpg
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This feed is frabricated from 6" x 6" x 24" aluminum extruded rectangular tubing with 1/8" wall

Specifications:

TX port Return Loss = > 30dB (1.08:1 VSWR)

RX port Return Loss = > 21dB (1.2:1 VSWR)

Isolation TX from RX = > 30dB

Weight                       =   9 pounds

Very sturdy construction, designed for rear mounting with four 1/4-20 tapped holes for mounting

Septum polarizer provides excellent circularity with no tedious tuning adjustments required

Connectors:  Typically N-type on TX port, and SMA on RX port.  RX can be N-type if desired

More Information:

Pictures of feed with scalar (not included):   http://kl6m.com/23cm/cakepan/cakepan.html

Construction Techniques Paper from EME2010:  http://kl6m.com/23cm/23CM-SEPTUM-FEED.pdf

Additional info on the use of the septum feed:  http://ptt-ak.com/SeptumFeed/feednotes.pdf

For more information contact Mike, KL6M at arrl.net