HZ1HZ was issued in 1949 to Ahmed M. Zaidan, who was the first Saudi to obtain an Amateur Radio License.

Ahmed Zaidan was born in the Holy city of Mecca in 1914. He graduated from the radio technical Institute in Jeddah, 75 KM to the west of Mecca. Started as a radio operator in Riyadh, He went on to occupy several high posts in the Ministry of PTT; the last of which was the deputy minister of Communications. He retired in 1972 to establish with his sons a private business in telecommunication.

Ahmed Zaidan (HZ1HZ) was mostly active on both CW & SSB contests single operator, all bands since 1949. He was also QRV on the Satellite Oscar Bands.

 Ahmed's activities in the fields of telecommunications: 

 - He represented Saudi Arabia in all the ITU conferences and meetings since 1956 till his retirement.

 - He was elected as a member of the ITU adminsterative counsel for Saudi Arabia and chaired the counsel in1967.

 - He chaired the Asia & Oceania's plan commitee untill he retired in 1972.

 - In 1978, he received a Diploma of Honor from ITU.

Silent Key since 10.12.2010