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wildcards · 09-29-11, 06:27 AM

Thanks so far,

@ETsd4
I did some searching for Canovaro documents and found it interesting to read that by just listening to the engine noise, the speed could be determined.

I've not yet tried it, but I'm very sure I don't got the patience for this and has large room for human error, me getting it wrong

@Pisces
I recall having stumbled on this before and tried it out, but had some difficulties using it. I'll have another look at it and try to use it.

Quickly read through it and the "3 bearing" keeps gnawing at me, it sounds familiar in some way. I've a gut feeling I took 3 bearings over a period of time with the hydrophone and marking it on the map and based on those three bearings I drew on the map, I was able to calculate a heading, but not exactly sure how. The only thing I really remember and am very certain off is that it was extremely simple to do and no complex math was involved.

I've found some posts, with more reading material, hopefully I'll cross paths with the method that I used. But if anyone has an idea of what possible method I'm talking about and can redirect me to a guide, that would be great.

thanks in advance.

09-29-11, 06:27 AM	#4
wildcards Sailor man Join Date: Mar 2008 Posts: 46 Downloads: 58 Uploads: 0	Thanks so far, @ETsd4 I did some searching for Canovaro documents and found it interesting to read that by just listening to the engine noise, the speed could be determined. I've not yet tried it, but I'm very sure I don't got the patience for this and has large room for human error, me getting it wrong @Pisces I recall having stumbled on this before and tried it out, but had some difficulties using it. I'll have another look at it and try to use it. Quickly read through it and the "3 bearing" keeps gnawing at me, it sounds familiar in some way. I've a gut feeling I took 3 bearings over a period of time with the hydrophone and marking it on the map and based on those three bearings I drew on the map, I was able to calculate a heading, but not exactly sure how. The only thing I really remember and am very certain off is that it was extremely simple to do and no complex math was involved. I've found some posts, with more reading material, hopefully I'll cross paths with the method that I used. But if anyone has an idea of what possible method I'm talking about and can redirect me to a guide, that would be great. thanks in advance.