| Callsign | K1BUM |
| Radio Service | HV - Vanity |
| License Status | C - Canceled |
| Grant Date | 2017-05-09 |
| Effective Date | 2017-05-09 |
| Expire Date | 2027-05-09 |
| Cancel Date | 2019-04-09 |
| Last Action Date | 2019-04-09 |
| End Date | 2019-04-09 |
| Available Date | 2021-04-10 |
| Applicant Type | B - Amateur Club |
| Entity Name | Arizona Sun Bums Amateur Radio Club |
| Street Address / Locality | 4650 S Primrose St Tucson, AZ 85730 |
| County | Pima County |
| Zip Location | 32°10'53.6"N 110°44'47.6"W |
| Maidenhead | DM42pe |
| FRN | 0026423715 |
| Licensee ID/SGIN | L02095656 / 000 |
| Licensee Class | |
| Callsign Group | C - 1x3 |
| ULS/Geo Region | 1 / 7 / AZ |
| Prev Callsign / Prev Class | KI7MMJ |
| Next Callsign | K7BUM |
| Trustee Callsign / Trustee Name | W7IJ Boger, Michael R |
| Vanity Type | F - By List (Club) |
| ULS File Number | |
| Phonetic weight / Morse weight | 9 / 64 |