Following eligibility lists contain NB4M
 Club  | Timestamp | Geo Type | Club Ctr | Call | Grid | Distance |
| Tennessee Contest Group | 2016-10-27 00:48:42 | ARRL Section | Tennessee | NB4M | [no grid] | [no dist] |
| Tennessee Contest Group | 2018-11-13 21:57:18 | ARRL Section | Tennessee | NB4M | [no grid] | [no dist] |
| Tennessee Contest Group | 2019-02-28 15:56:51 | ARRL Section | Tennessee | NB4M | [no grid] | [no dist] |
| Tennessee Contest Group | 2019-10-31 18:04:01 | ARRL Section | Tennessee | NB4M | [no grid] | [no dist] |
| Tennessee Contest Group | 2020-01-03 16:38:54 | ARRL Section | Tennessee | NB4M | [no grid] | [no dist] |
| Tennessee Contest Group | 2020-11-03 03:40:03 | ARRL Section | Tennessee | NB4M | [no grid] | [no dist] |
| Tennessee Contest Group | 2016-10-26 02:41:49 | ARRL Section | Tennessee | NB4M | [no grid] | [no dist] |
| Tennessee Contest Group | 2016-10-29 12:56:10 | ARRL Section | Tennessee | NB4M | [no grid] | [no dist] |
| Tennessee Contest Group | 2019-02-11 01:16:52 | ARRL Section | Tennessee | NB4M | [no grid] | [no dist] |
| Tennessee Contest Group | 2019-03-26 00:22:42 | ARRL Section | Tennessee | NB4M | [no grid] | [no dist] |
| Tennessee Contest Group | 2019-11-01 17:41:21 | ARRL Section | Tennessee | NB4M | [no grid] | [no dist] |
| Tennessee Contest Group | 2020-08-15 16:25:54 | ARRL Section | Tennessee | NB4M | [no grid] | [no dist] |
| Tennessee Contest Group | 2020-12-06 14:51:28 | ARRL Section | Tennessee | NB4M | [no grid] | [no dist] |