| Callsign | KJ4ZGO |
|---|---|
| Radio Service | HA - Amateur |
| License Status | A - Active |
| Grant Date | 2026-05-29 |
| Effective Date | 2026-05-29 |
| Expire Date | 2036-06-29 |
| Cancel Date | |
| Last Action Date | 2026-05-29 |
| End Date | 2036-06-29 |
| Available Date | 2038-06-30 |
| Applicant Type | I - Individual |
| Entity Name | RIDDLE, ISAAC D |
| Street Address / Locality | 42452 65TH ST W Lancaster, CA 93536 |
| County | Los Angeles County |
| Zip Location | 34°44'50.6"N 118°22'09.3"W |
| Maidenhead | DM04tr |
| FRN | 0015234388 |
| Licensee ID/SGIN | L01168177 / 000 |
| Licensee Class | G - General |
| Callsign Group | D - 2x3 |
| ULS/Geo Region | 4 / 6 / CA |
| Prev Callsign / Prev Class | KC0YBN T - Technician |
| Next Callsign | |
| Trustee Callsign / Trustee Name | |
| Vanity Type | |
| ULS File Number | 0012050602 |
| Phonetic weight / Morse weight | 12 / 82 |
Administrative History
| Action Date | Action Type |
|---|---|
| 2010-11-18 | LIISS - License Issued |
| 2010-11-18 | SYSGRT - New Systematic Call Sign Assigned |
| 2015-04-10 | LIAUA - Administrative Update Applied |
| 2016-07-08 | LIREN - License Renewed |
| 2026-05-29 | LIREN - License Renewed |