| Callsign | K0JMM |
| Radio Service | HV - Vanity |
| License Status | E - Expired |
| Grant Date | 1998-12-15 |
| Effective Date | 2004-07-09 |
| Expire Date | 2008-12-15 |
| Cancel Date | 2010-12-16 |
| Last Action Date | 2010-12-16 |
| End Date | 2008-12-15 |
| Available Date | 2011-01-16 |
| Applicant Type | I - Individual |
| Entity Name | Mathison, Merle J |
| Street Address / Locality | 2487 Huntington Park Dr Grand Forks, ND 582016136 |
| County | Grand Forks County |
| Zip Location | 47°51'59.9"N 97°08'28.1"W |
| Maidenhead | EN17ku |
| FRN | 0002259083 |
| Licensee ID/SGIN | L00247661 / 000 |
| Licensee Class | G - General |
| Callsign Group | C - 1x3 |
| ULS/Geo Region | 0 / 0 / ND |
| Prev Callsign / Prev Class | KB0QQO P - Technician Plus |
| Next Callsign | |
| Trustee Callsign / Trustee Name | |
| Vanity Type | E - By List |
| ULS File Number | 0001801459 |
| Phonetic weight / Morse weight | 9 / 70 |