| Callsign | W9WSC |
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| Radio Service | HV - Vanity |
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| License Status | A - Active |
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| Grant Date | 2025-07-17 |
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| Effective Date | 2025-07-17 |
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| Expire Date | 2035-08-11 |
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| Cancel Date | |
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| Last Action Date | 2025-07-17 |
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| End Date | 2035-08-11 |
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| Available Date | 2037-08-12 |
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| Applicant Type | B - Amateur Club |
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| Entity Name | Walder Science Center ARC |
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| Street Address / Locality | 3050 W Touhy Ave
Chicago, IL 60645 |
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| County | Cook County |
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| Zip Location | 42°00'30.8"N 87°41'41.0"W |
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| Maidenhead | EN62da |
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| FRN | 0024636904 |
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| Licensee ID/SGIN | L01947126 / 000 |
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| Licensee Class | |
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| Callsign Group | C - 1x3 |
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| ULS/Geo Region | 9 / 9 / IL |
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| Prev Callsign / Prev Class | KD9DZA |
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| Next Callsign | |
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| Trustee Callsign / Trustee Name | WB9RDE POLONETZKY, SAMUEL D |
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| Vanity Type | F - By List (Club) |
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| ULS File Number | 0011649926 |
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| Phonetic weight / Morse weight | 11 / 66 |
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