Since July 2000, MAGS Aviation added a computer base testing center to assist students and pilots with completing their FAA Knowledge Tests.  MAGS Testing Center is located on the airport of Martin Field (7K8) in South Sioux City, Nebraska.   The FOB here offers aircraft rental, aviation fuel, tie downs and aircraft maintenance.  Traffic pattern are Right 14 and Left 32.  Unicom is 122.8 and hours of operation are Monday through Sunday, dawn to dust.  To contact Martin Field, please call Gene Marting at 402-494-3667!