| 2005-07-13 | WPFG599 | GX | E | Preferred Communication Systems, Inc. |
| 2000-06-14 | WPFG598 | GX | E | Preferred Communication Systems, Inc. |
| 2000-02-28 | WPFD809 | GX | E | Preferred Communication Systems, Inc. |
| 2000-02-28 | WPDU259 | GX | E | Preferred Communication Systems, Inc. |
| 2000-02-25 | WPFQ293 | GX | E | Preferred Communication Systems, Inc. |
| 1999-12-22 | WPGD849 | GX | E | Preferred Communication Systems, Inc. |
| 1999-12-22 | WPGD852 | GX | E | Preferred Communication Systems, Inc. |
| 1999-12-22 | WPGD855 | GX | E | Preferred Communication Systems, Inc. |
| 1999-11-09 | WPFZ805 | GX | E | Preferred Communication Systems, Inc. |
| 1999-11-09 | WPFZ806 | GX | E | Preferred Communication Systems, Inc. |
| 1999-11-09 | WPFZ808 | GX | E | Preferred Communication Systems, Inc. |
| 1999-11-09 | WPFZ807 | GX | E | Preferred Communication Systems, Inc. |
| 1999-10-28 | WPFX997 | GX | E | Preferred Communication Systems, Inc. |
| 1999-10-24 | WPFV884 | GX | E | Preferred Communication Systems, Inc. |
| 1999-10-21 | WPFV692 | GX | E | Preferred Communication Systems, Inc. |
| 1999-10-13 | WPFT369 | GX | E | Preferred Communication Systems, Inc. |
| 1999-10-07 | WPFT356 | GX | E | Preferred Communication Systems, Inc. |
| 1999-10-07 | WPFT357 | GX | E | Preferred Communication Systems, Inc. |
| 1999-10-06 | WPFN354 | GX | E | Preferred Communication Systems, Inc. |
| 1999-10-06 | WPFT968 | GX | E | Preferred Communication Systems, Inc. |
| 1999-10-05 | WPFS846 | GX | E | Preferred Communication Systems, Inc. |
| 1999-10-05 | WPFT417 | GX | E | Preferred Communication Systems, Inc. |
| 1999-10-05 | WPFS856 | GX | E | Preferred Communication Systems, Inc. |
| 1999-10-04 | WPFT335 | GX | E | Preferred Communication Systems, Inc. |
| 1999-10-04 | WPFT416 | GX | E | Preferred Communication Systems, Inc. |
| 1999-10-04 | WPFT334 | GX | E | Preferred Communication Systems, Inc. |
| 1999-09-30 | WPFF670 | GX | E | Preferred Communication Systems, Inc. |
| 1999-09-30 | WPFN725 | GX | E | Preferred Communication Systems, Inc. |
| 1999-09-30 | WPFF659 | GX | E | Preferred Communication Systems, Inc. |
| 1999-08-09 | WPFN600 | GX | E | Preferred Communication Systems, Inc. |
| 1999-08-09 | WPFN636 | GX | E | Preferred Communication Systems, Inc. |
| 1999-08-08 | WPFM597 | GX | E | Preferred Communication Systems, Inc. |
| 1999-08-08 | WPFM581 | GX | E | Preferred Communication Systems, Inc. |
| 1999-08-08 | WPFM600 | GX | E | Preferred Communication Systems, Inc. |
| 1999-07-18 | WPFE934 | GX | E | Preferred Communication Systems, Inc. |
| 1999-07-07 | WPFG589 | GX | E | Preferred Communication Systems, Inc. |
| 1999-07-07 | WPFD742 | GX | E | Preferred Communication Systems, Inc. |
| 1999-06-24 | WPFE472 | GX | E | Preferred Communication Systems, Inc. |
| 1999-06-23 | WPFD808 | GX | E | Preferred Communication Systems, Inc. |
| 1999-06-23 | WPFD810 | GX | E | Preferred Communication Systems, Inc. |
| 1999-06-23 | WPFD811 | GX | E | Preferred Communication Systems, Inc. |
| 1999-06-23 | WPFD812 | GX | E | Preferred Communication Systems, Inc. |
| 1999-06-22 | WPFD607 | GX | E | Preferred Communication Systems, Inc. |
| 1999-06-15 | WPDU275 | GX | E | Preferred Communication Systems, Inc. |
| 1999-06-15 | WPDU287 | GX | E | Preferred Communication Systems, Inc. |
| 1999-06-15 | WPDU263 | GX | E | Preferred Communication Systems, Inc. |
| 1999-06-15 | WPDU271 | GX | E | Preferred Communication Systems, Inc. |
| 1999-06-15 | WPDU279 | GX | E | Preferred Communication Systems, Inc. |
| 1999-06-09 | WPFA273 | GX | E | Preferred Communication Systems, Inc. |
| 1999-06-09 | WPFA266 | GX | E | Preferred Communication Systems, Inc. |
| 1999-06-09 | WPFA270 | GX | E | Preferred Communication Systems, Inc. |
| 1999-06-09 | WPFA268 | GX | E | Preferred Communication Systems, Inc. |
| 1999-06-09 | WPFA269 | GX | E | Preferred Communication Systems, Inc. |
| 1999-06-09 | WPFA265 | GX | E | Preferred Communication Systems, Inc. |
| 1999-06-09 | WPFA280 | GX | E | Preferred Communication Systems, Inc. |
| 1999-06-09 | WPFA278 | GX | E | Preferred Communication Systems, Inc. |
| 1999-06-08 | WPEZ750 | GX | E | Preferred Communication Systems, Inc. |
| 1999-06-08 | WPEU434 | GX | E | Preferred Communication Systems, Inc. |
| 1999-05-25 | WPEF461 | GX | E | Preferred Communication Systems, Inc. |
| 1999-05-24 | WPDU266 | GX | E | Preferred Communication Systems, Inc. |
| 1999-05-24 | WPEY451 | GX | E | Preferred Communication Systems, Inc. |
| 1999-05-24 | WPEY450 | GX | E | Preferred Communication Systems, Inc. |
| 1999-05-24 | WPEY448 | GX | E | Preferred Communication Systems, Inc. |
| 1999-05-24 | WPEY446 | GX | E | Preferred Communication Systems, Inc. |
| 1999-05-24 | WPEY445 | GX | E | Preferred Communication Systems, Inc. |
| 1999-05-24 | WPEY447 | GX | E | Preferred Communication Systems, Inc. |
| 1999-05-19 | WPEY432 | GX | E | Preferred Communication Systems, Inc. |
| 1999-05-19 | WPEY424 | GX | E | Preferred Communication Systems, Inc. |
| 1999-05-19 | WPDU214 | GX | E | Preferred Communication Systems, Inc. |
| 1999-05-19 | WPEY422 | GX | E | Preferred Communication Systems, Inc. |
| 1999-05-19 | WPEY426 | GX | E | Preferred Communication Systems, Inc. |
| 1999-05-19 | WPEY429 | GX | E | Preferred Communication Systems, Inc. |
| 1999-05-19 | WPEY427 | GX | E | Preferred Communication Systems, Inc. |
| 1999-05-19 | WPEY421 | GX | E | Preferred Communication Systems, Inc. |
| 1999-05-19 | WPEY420 | GX | E | Preferred Communication Systems, Inc. |
| 1999-05-19 | WPEY431 | GX | E | Preferred Communication Systems, Inc. |
| 1999-05-19 | WPEY418 | GX | E | Preferred Communication Systems, Inc. |
| 1999-05-19 | WPEY423 | GX | E | Preferred Communication Systems, Inc. |
| 1999-05-19 | WPDU222 | GX | E | Preferred Communication Systems, Inc. |
| 1999-05-19 | WPDU206 | GX | E | Preferred Communication Systems, Inc. |
| 1999-05-19 | WPEY419 | GX | E | Preferred Communication Systems, Inc. |
| 1999-05-19 | WPEY425 | GX | E | Preferred Communication Systems, Inc. |
| 1999-05-19 | WPEY430 | GX | E | Preferred Communication Systems, Inc. |
| 1999-05-19 | WPDU210 | GX | E | Preferred Communication Systems, Inc. |
| 1999-05-19 | WPDU218 | GX | E | Preferred Communication Systems, Inc. |
| 1999-05-12 | WPEX345 | GX | E | Preferred Communication Systems, Inc. |