| Callsign | KC3AVO |
|---|---|
| Radio Service | HA - Amateur |
| License Status | C - Canceled |
| Grant Date | 2013-06-26 |
| Effective Date | 2013-08-28 |
| Expire Date | 2023-06-26 |
| Cancel Date | 2013-08-28 |
| Last Action Date | 2013-08-28 |
| End Date | 2013-08-28 |
| Available Date | 2015-08-29 |
| Applicant Type | I - Individual |
| Entity Name | Helmke, Martin F |
| Street Address / Locality | 631 Trinity Dr West Chester, PA 19382 |
| County | Chester County |
| Zip Location | 39°55'39.6"N 75°36'47.4"W |
| Maidenhead | FM29ew |
| FRN | 0022760227 |
| Licensee ID/SGIN | L01798234 / 000 |
| Licensee Class | E - Amateur Extra |
| Callsign Group | D - 2x3 |
| ULS/Geo Region | 3 / 3 / PA |
| Prev Callsign / Prev Class | G - General |
| Next Callsign | AB3TA |
| Trustee Callsign / Trustee Name | |
| Vanity Type | |
| ULS File Number | 0005911010 |
| Phonetic weight / Morse weight | 11 / 76 |
Administrative History
| Action Date | Action Type |
|---|---|
| 2013-06-26 | SYSGRT - New Systematic Call Sign Assigned |
| 2013-06-26 | LIISS - License Issued |
| 2013-08-07 | LIMOD - License Modified |
| 2013-08-28 | LICAN - License Canceled |
FCC comments
| 2013-08-28 | Issued new systematic call sign. |