This unusual tri-band 10, 15, 20 meter antenna has a curtain reflector, fed by 300 ohm tubular transmission line. The reflectors are 44' long.
10 meters: Six half waves in phase with screen reflectors spaced 1/2 wavelength.
15 meters: Three 0.65 waves spaced 3/8 wave from reflectors.
20 meters: Three half waves in phase spaced 1/4 wave from screen reflectors.
The owner of this antenna was not mentioned.
Photo from Don Chesser W4KVX DX Magazine #48, Oct. 21, 1958