Name (required):

  Expression ^{(Optional mood/title along with your name) Examples: (happy, sad, The Joyful, etc.) help)}

  E-mail address (optional):

* Type your message here:
>Hi, >In last 8 years as a Shipmaster I have visited more >than 150 vessels and have found about 30 different >types of GPS receivers, but none of them calculated >the Rhumbline Distance accurately. I found 7 GPS >methods of Distance calculation and three of them were >Rhumbline Distance methods. If GPS receiver doesn't >give the True Rhumbline Distance, then GPS receiver >information (except the GPS position) is not correct, >like distance, course, etc. Of course, differences, >e.g. in distances are small, but not insignificant: >between Miami and Charleston 2 N.miles, between San >Francisco and SE Australia more than 15 N.miles, >between Philippine and Panama more than 40 N.miles. >Whoever has a GPS receiver may use simple Tables from >my book (Differences in GPS Rhumbline Distances) to >see how much the GPS Distance differs from the True >Rhumbline Distance. The price of the book is US$50.00 >including packing and postage expenses. Brown's >Nautical Almanac (www.skipper.co.uk) has plenty >information about this topic. I believe it has come >time for GPS Receiver Data Surveying. >Captain Doctor Ivica Tijardovic, Shipmaster and >International Professional of the year 2005 > >ivica.tijardovic@st.t-com.hr

Notice: Copies of your message may remain on this and other systems on internet. Please be respectful.