(Note: I assume "NTRP" refers to a technical regulation or Navy/transportation/telecommunications procedural publication; if you meant a different domain, tell me and I will adapt.)
If you're looking for a helpful piece of information related to NTRP 6-02.3, I'd be happy to try and assist you. Could you please provide more context or clarify what specific information you're looking for? I'll do my best to provide a helpful response. Ntrp 6-02.3 Pdf