Which ham was well known for his fantastic array of rhombic antennas?

Answer: W6AM, he had all points of the globe covered with 32 possible directions of his antennas. His largest rhombic was almost half a kilometer from end to end, it was thought to be the largest amateur radio antenna in the world. There were 61 telephone poles between 24 and 48 meters ( 80 and 160 feet ) high that had been erected across the 48 hectares (120 acres) to support the antennas. Each rhombic was of multi-wire curtain design and had either two or three wires in each leg. The combined total of all the 3.2 mm˛ copperweld wire in the air exceeded 80 km (52 miles). Another 110 poles, an average of 8 meters ( 25 feet ) high, had been erected to carry the antenna feed lines