Geoffrey S. Mendelson wrote:
Anyone have any ideas, specs, or web page references?

It looks like a standard single band Zepp to me. It has
a very high feedpoint impedance which the 1/4WL of
ladder-line transforms down to the neighborhood of
50 ohms. There will be some feedline radiation. Please
note MFJ's admonition: "REQUIRES BALANCED LINE ANTENNA
TUNER OR TUNER/BALUN"
--
73, Cecil http://www.qsl.net/w5dxp