1. Tomato Can Horn for 2304 MHz Steve Kavanagh, VE3SMA September 2009

2. Can Selection Originally contained tomato puree or similar 101 mm outside diameter at rim 119 mm deep Outside - plated takes solder well Inside - plastic film Doesn’t melt when outside soldered !

3. Construction Standard silver plated N jack Soldered to can Remaining gaps filled with 5 minute epoxy for additional strength and weather protection Hobby tubing soldered to pin as feed probe Brass nut soldered to can for tuning screw Styrofoam plug glued in with 5 minute epoxy Measured 20 dB return loss at 2304 MHz (VSWR = 1.2)

4. Before styrofoam and painting

5. Dimensions

6. The finished product