The Federal Communications Commission (FCC) has granted a total of 54 licenses and call signs in the category of Amateur license in Greencastle, Pennsylvania. Select a call sign from the table below to view its details such as the date of authorization, expiration date, service description, and so forth.
| Call Sign | License Holder Name | Date of Authorization |
|---|---|---|
| AC3EC | GROSH, BRYAN R | 2013-03-05 |
| KA3JYG | HUNT, MICHAEL E | 2017-08-23 |
| KA3LIX | HUNT, BARRY C | 2017-08-23 |
| KA3RJL | SHARKEY III, JACK | 2009-06-10 |
| KA3ZKU | GEIMAN, ELDON S | 2011-09-28 |
| KB3BKT | GARRETT, HAROLD B | 2015-08-12 |
| KB3CXH | BLAND, BARRY L | 2018-06-20 |
| KB3CXJ | BLAND, REBECCA C | 2018-06-20 |
| KB3EJL | Yoder, Kristina R | 2021-06-22 |
| KB3FJN | Bowser, Phillip E | 2020-07-11 |
| KB3LJT | NOWINSKI, Teresa E | 2015-07-06 |
| KB3PJK | Ott, Douglas G | 2017-03-30 |
| | ||
| KB3SSM | Latham, Victoria C | 2019-02-08 |
| KB3SSN | Latham, Veronica M | 2019-02-08 |
| KB3TFU | Selby, Curt M | 2019-06-18 |
| KB3VJW | Daniels, Charles A | 2010-11-30 |
| KB7THL | STERN, MICHAEL A | 2023-01-24 |
| KC3ACZ | GROSH, BRYAN R | 2013-03-05 |
| KC3CGT | Davis IV, Kelly J | 2014-03-17 |
| KC3EFG | KEEFER, JONATHAN B | 2015-01-23 |
| KC3EMD | Zhong, Linghao | 2015-03-09 |
| KC3EME | McCarrey, Jacqueline A | 2015-03-09 |
| KC3EMJ | DUNKLE, MATTHEW R | 2015-03-09 |
| KC3FWX | Hengst, William C | 2015-11-10 |
| KC3GCG | PLACE, TERRY W | 2015-12-07 |
| KC3KDS | Milback, Stephen J | 2017-10-30 |
| KC3KXJ | Kelly Jr, Lyle G | 2018-02-28 |
| KC3NXW | Fulton, Arthur N | 2019-08-19 |
| KC3PRA | Tolbert, Chad | 2020-07-20 |
| KC3PRU | BLACK, DAVID W | 2020-07-22 |
| KC3QBD | JAMES, MICHAEL T | 2020-09-21 |
| KC3RAM | Alger, Steven W | 2021-01-25 |
| KC3SBL | Latham, VaLinda M | 2021-05-10 |
| KC3UGV | Hock, Ryan | 2022-05-24 |
| KC3URA | FORSYTH, NICHOLAS J | 2022-08-16 |
| KC3UVS | HOLLINSHEAD, JEFFREY A | 2022-09-23 |
| KD3XO | KIPP, DAVID L | 2021-06-16 |
| KE3TB | NUNEMAKER, CLIFF A | 2023-04-28 |
| KF4FIA | Mullinax, HOLLY Y | 2015-10-29 |
| KL0MG | SCHEND SR, JEFFREY A | 2018-05-09 |
| KM4AIQ | Latham, Vanessa | 2014-04-17 |
| KM4ATS | Latham, Rachel M | 2014-04-30 |
| KM4ATT | Latham, Violetta K | 2014-04-30 |
| KM4CLT | Latham, Vonita S | 2014-06-19 |
| KM4LEJ | Latham, Aaron M | 2015-06-16 |
| N3JDR | McCarrey, William A | 2014-04-24 |
| N3RBV | FETTERHOFF, STEPHEN L | 2013-12-10 |
| N3VGT | Kennedy Sr, Ronald L | 2015-10-13 |
| N3VZR | ROSENBERRY, REGINA E | 2015-08-20 |
| N3WGN | BEHRENS, HERBERT T | 2005-10-08 |
| N3XUH | ROSENBERRY, DARWIN L | 2016-06-21 |
| N3ZAI | YODER, TERRY L | 2017-03-07 |
| N3ZGT | Frederick, Patrick A | 2017-02-03 |
| W8JYN | Myers, Donald C | 2008-01-04 |
