One of the beacon antenna projects...

Something on the antennna ( a project that OH2KTB has enthusiastically undertaken ) for a 13 cm beacon:

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- photoof the final radome, 36k, ( 75 mm UPONAL PVC tubing - no affiliation with UPO ! ) with the antenna prototype.

- this is what the prototype Alford slot, 11k, made by OH2KTB looks like.

- we had some problems at first as the slightly lossy tubing loaded, 12k, the slot off frequency.

- but by dropping the diameter down to 75 mm everything was OK except, 15k, for the lossiness of the tubing.

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Updated 19.03.2003