| Callsign | WB9BHL |
| Radio Service | HA - Amateur |
| License Status | C - Canceled |
| Grant Date | 2016-03-03 |
| Effective Date | 2023-03-14 |
| Expire Date | 2026-05-31 |
| Cancel Date | 2023-03-21 |
| Last Action Date | 2023-03-21 |
| End Date | 2023-03-21 |
| Available Date | 2025-03-22 |
| Applicant Type | I - Individual |
| Entity Name | GROETZENBACH JR, ROBERT G |
| Street Address / Locality | 2420 N 42nd Rd Sheridan, IL 60551 |
| County | LaSalle County |
| Zip Location | 41°31'31.2"N 88°41'15.6"W |
| Maidenhead | EN51pm |
| FRN | 0014536700 |
| Licensee ID/SGIN | L01106221 / 000 |
| Licensee Class | E - Amateur Extra |
| Callsign Group | D - 2x3 |
| ULS/Geo Region | 9 / 9 / IL |
| Prev Callsign / Prev Class | G - General |
| Next Callsign | K9MGM |
| Trustee Callsign / Trustee Name | |
| Vanity Type | |
| ULS File Number | 0010457657 |
| Phonetic weight / Morse weight | 12 / 78 |