| Callsign | K9TZZ |
| Radio Service | HA - Amateur |
| License Status | E - Expired |
| Grant Date | 1996-10-08 |
| Effective Date | 1996-10-08 |
| Expire Date | 2006-10-08 |
| Cancel Date | 2008-10-09 |
| Last Action Date | 2008-10-09 |
| End Date | 2006-10-08 |
| Available Date | 2008-11-09 |
| Applicant Type | B - Amateur Club |
| Entity Name | RADIO AMATEUR TECHNICAL SOCIETY |
| Street Address / Locality | 3759 W 192ND ST HOMEWOOD, IL 60430 |
| County | Cook County |
| Zip Location | 41°33'32.0"N 87°39'52.0"W |
| Maidenhead | EN61en |
| FRN | 0015778798 |
| Licensee ID/SGIN | L01217377 / 000 |
| Licensee Class | |
| Callsign Group | C - 1x3 |
| ULS/Geo Region | 9 / 9 / IL |
| Prev Callsign / Prev Class | |
| Next Callsign | |
| Trustee Callsign / Trustee Name | K9HDE MANN, JOSEPH J |
| Vanity Type | |
| ULS File Number | 9610089989 |
| Phonetic weight / Morse weight | 10 / 66 |