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This is a multi-part message in MIME format. ------=_NextPart_000_0009_01C23957.886D5600 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable >Why do you dive in currents? Do you know how to calculate slack water? Not all currents are tidal driven. Some additional sources are wind = driven, thermal-saline, and major persistent currents (gulf stream, = labrador, etc.) that are not based on diurnal or semi-diurnal = periodicity, may meander, and eddy. Sometimes there may be a current = (usually) and sometimes there may not. It is not predictable. So you = modify your procedures to accommodate.=20 >If you dive in currents, why anchor to the wreck? This has been discussed ad infinitum in this and similar threads.=20 The rest of your post seems purposefully argumentive. -Doug P.S. On this side of the pond we have NOAA, NOA, and Defense Mapping = Agency charts. So what's your point about every good diver needing to = know about Admiralty charts?=20 -------------------------- From Jack Purcell: Why do you dive in currents? Do you know how to calculate slack water? = If you dive in currents, why anchor to the wreck?Do you dive in currents because you have scooters? Do batteries fail?Do you understand the Rule = of Twelfths? Do you know what a tidal diamond is? Do you know what an = Admiralty chart is? On a current bearing ,is it the direction the current is going = or coming from?Is the sea a living breathing entity? Is it bigger and = harder than ALL the navies of the world put together? IF YOU CANT ANSWER ALL of = the above, WTF are you doing in the sea???????????? Jack ------=_NextPart_000_0009_01C23957.886D5600 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <HTML><HEAD> <META http-equiv=3DContent-Type content=3D"text/html; = charset=3Diso-8859-1"> <META content=3D"MSHTML 6.00.2716.2200" name=3DGENERATOR> <STYLE></STYLE> </HEAD> <BODY bgColor=3D#ffffff> <DIV><FONT face=3DArial size=3D2> <DIV><FONT face=3DArial>>Why do you dive in currents? Do you know how = to=20 calculate slack water?</FONT></DIV> <DIV><FONT face=3DArial></FONT> </DIV> <DIV><FONT face=3DArial>Not all currents are tidal driven. Some = additional sources=20 are wind driven, thermal-saline, and major persistent currents = (gulf=20 stream, labrador, etc.) that are not based on diurnal or semi-diurnal=20 periodicity, may meander, and eddy. Sometimes there may be a current = (usually)=20 and sometimes there may not. It is not predictable. So you modify your=20 procedures to accommodate. </FONT></DIV> <DIV><FONT face=3DArial></FONT> </DIV> <DIV><FONT face=3DArial>>If you dive in currents, why anchor to the=20 wreck?</FONT></DIV> <DIV><FONT face=3DArial></FONT> </DIV> <DIV><FONT face=3DArial>This has been discussed ad infinitum in this and = similar=20 threads. </FONT></DIV> <DIV><FONT face=3DArial></FONT> </DIV> <DIV><FONT face=3DArial>The rest of your post seems purposefully=20 argumentive.</FONT></DIV> <DIV> </DIV> <DIV>-Doug</DIV> <DIV> </DIV> <DIV><FONT face=3DArial>P.S. On this side of the pond we have NOAA, NOA, = and=20 Defense Mapping Agency charts. So what's your point about every good = diver=20 needing to know about Admiralty charts? </FONT></DIV> <DIV> </DIV> <DIV> </DIV> <DIV>--------------------------</DIV> <DIV>From Jack Purcell:</DIV> <DIV>Why do you dive in currents? Do you know how to calculate slack = water?=20 If<BR>you dive in currents, why anchor to the wreck?Do you dive in=20 currents<BR>because you have scooters? Do batteries fail?Do you = understand the=20 Rule of<BR>Twelfths? Do you know what a tidal diamond is? Do you know = what an=20 Admiralty<BR>chart is? On a current bearing ,is it the direction the = current is=20 going or<BR>coming from?Is the sea a living breathing entity? Is it = bigger and=20 harder<BR>than ALL the navies of the world put together? IF YOU CANT = ANSWER ALL=20 of the<BR>above, WTF are you doing in the=20 sea????????????<BR>Jack<BR><BR></DIV></FONT></DIV></BODY>&l t;/HTML> ------=_NextPart_000_0009_01C23957.886D5600-- -- Send mail for the `techdiver' mailing list to `techdiver@aquanaut.com'. Send subscribe/unsubscribe requests to `techdiver-request@aquanaut.com'.
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