| HK146-003-4004 | U0777 | ULTRA ELECTRONICS LIMITED COMAND & C NTROL SYSTEMS |
| HK146-003-4004P | K7561 | RADAMEC BROADCAST SYSTEMS LTD |
| HK146-003-4004P1 | K7561 | RADAMEC BROADCAST SYSTEMS LTD |
| HK146-003-4004Y | K7561 | RADAMEC BROADCAST SYSTEMS LTD |
| HK146-003-4004Y1 | K7561 | RADAMEC BROADCAST SYSTEMS LTD |