NavList:
A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
Ho 208
From: Mike Burkes
Date: 2005 Nov 3, 09:29 -0800
From: Mike Burkes
Date: 2005 Nov 3, 09:29 -0800
HO 208 designed by Lt Comm JY Dreisonstok and I have a 5th Ed circa 1940. John Letcher, author of " Self Contained Celeatial Navigation using HO 208" ,advocates them and they are quite compact! Mike Burkes >From: "Royer, Doug">Reply-To: Navigation Mailing List >To: NAVIGATION-L@LISTSERV.WEBKAHUNA.COM >Subject: Re: Azimuth Formula Questions >Date: Wed, 2 Nov 2005 10:45:59 -0800 > > > Doug Royer wrote: > >> I learned and then started to use HO-211 on a regular basis. 28 pages >of > >> data covers just about everything to reduce sights. But that is all it >is > >> capable of doing. It can't compute GC sailings etc > >Bill wrote: >I am familiar with HO211, although my text says it can be very slow unless >you have practiced 100 times recently ;-) > >Do not know anything about HO208. Any chance of filling in yet another gap >in my education? > > >I believe HO-208 was designed by Lichter? And HO-211 was designed by >Ageton. >HO-208 uses the same basic format as does HO-211 and in reality is most >likely an older method than HO-211. It is a more convoluted system to use >than is HO-211. I will provide a link that gives downloadable worksheets >and >rules to HO-208 and HO-211 and may provide the data pages for HO-211 also. >HO-211 is not hard to use or very slow to reduce sights for LOPs at all. If >you learned the rules to use the HO-214,229 or 249 reduction formats and >became proficient in using them then HO-211 can be learned and used in >about >the same amount of time. Just as in using the HO-229 or 249 formats to get >fast,dependable results one must practice using them to do so. It is just a >different format to accomplish the same thing. Both systems(208 + 211)are >based to reduce sights by using t(MA)instead of the way the newer >tabulation >methods,except HO-214,are formatted. What is really nice about the HO-211 >system is a person only needs the HO-211 data book (35 pgs) and a NA to >reduce sights from any band of latitude. One can forget about carrying all >the volumes of the newer systems onboard. And both are just as "accurate" >as >are the newer tabulation methods of sight reduction "in the real world". >When I was 1st taught reduction HO-208 was used by the mariners who taught >me. When I sat for my 1st CG exam for CN the method they used during >testing >was HO-214 so I had to learn that method even though by that time HO-229 >was >used almost exclusively in the fleet. So I also had to learn HO-229 after I >passed the exam and went back to work in the fleet. Yes, I've used them all >and each method has its strong and weak points to use but each gets the > >Here is the link: >http://www.geocities/sadams16/Navigation.html