| Callsign | K7CSY |
| Radio Service | HV - Vanity |
| License Status | E - Expired |
| Grant Date | 2007-02-22 |
| Effective Date | 2007-02-22 |
| Expire Date | 2017-04-08 |
| Cancel Date | 2019-04-09 |
| Last Action Date | 2019-04-09 |
| End Date | 2017-04-08 |
| Available Date | 2019-05-10 |
| Applicant Type | I - Individual |
| Entity Name | KNAPP, ROBERT W |
| Street Address / Locality | 1802 PINE ST LYNDEN, WA 98264 |
| County | Whatcom County |
| Zip Location | 48°57'00.9"N 122°27'35.3"W |
| Maidenhead | CN88sw |
| FRN | 0002087054 |
| Licensee ID/SGIN | L00164944 / 000 |
| Licensee Class | G - General |
| Callsign Group | C - 1x3 |
| ULS/Geo Region | 7 / 7 / WA |
| Prev Callsign / Prev Class | KB7DXD P - Technician Plus |
| Next Callsign | |
| Trustee Callsign / Trustee Name | |
| Vanity Type | A - Former Holder |
| ULS File Number | 0002917586 |
| Phonetic weight / Morse weight | 11 / 66 |