NR NB 179
Alignment of Unipart Dorman Signal Heads
| Organization: | NR |
| Publication Date: | 22 May 2020 |
| Status: | active |
| Page Count: | 8 |
scope:
This Notice Board applies to the set up or verification of beam alignment of Dorman signal heads.
Purpose
This Notice Board has been produced to act as best practice guidance when undertaking alignment or of alignment of Unipart Dorman (hereafter referred to as Dorman) signal heads.
This Notice Board supercedes the guidance in the following:
• NR/L2/SIG/10158 Appendix C.11.2
• NR/L2/SIG/10158 Appendix C.12.2
• SIN120
• TI151
Document History