fireball
Well-Known Member
I agree - read it the same way as you .....
AIS Alarms
- Thread starter boatmike
- Start date
fireball
Well-Known Member
Well - the software will be very logical - so
Activation Range - 15Nm
CPA - 2Nm
TCPA 20min
So I would think the process will be:
Signal received
1) Is the signals position equal to or less than 15Nm of our current position? - Yes, continue; No - stop processing
2) Show the target on the screen
Alarms
3) Is the CPA less than or equal to 2Nm ? Yes, continue; no - stop processing
4) Is there a tcpa set? Yes - continue, No - Trigger the alarm
5) Will the CPA occur within the next 20minutes? Yes - Trigger the Alarm; No - then stop
Activation Range - 15Nm
CPA - 2Nm
TCPA 20min
So I would think the process will be:
Signal received
1) Is the signals position equal to or less than 15Nm of our current position? - Yes, continue; No - stop processing
2) Show the target on the screen
Alarms
3) Is the CPA less than or equal to 2Nm ? Yes, continue; no - stop processing
4) Is there a tcpa set? Yes - continue, No - Trigger the alarm
5) Will the CPA occur within the next 20minutes? Yes - Trigger the Alarm; No - then stop
Phoenix of Hamble
Well-Known Member
Yup... thats exactly how I read it....
Neat way of explaining it to!
Neat way of explaining it to!
fireball
Well-Known Member
Ta! /forums/images/graemlins/smile.gif Comes with writing a few lines of code - usually for websites, but sometimes VBscript for Excel and/or Access! /forums/images/graemlins/wink.gif
peterb
Well-Known Member
Can't be quite like that, or at least shouldn't be. The ship could alter course at any time, making the CPA critical. Can't stop processing, processing continues, but no alarm unless CPA comes within limit.
Phoenix of Hamble
Well-Known Member
The cycle would be repeated endlessly in reality.... rather than just running through the sequence the once....
