Category: Navigation

Airmar H2183 Improves Situational Awareness Feature on Raymarine 20

Airmar H2183 Improves Situational Awareness Feature on Raymarine

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Check out all the vector arrows around Dan Corcoran’s Raymarine E-80 boat icon, as he steers Breeze Pleeze through Huntington Harbor as a storm closes in. Red is for heading, green for COG, blue for current, and yellow for wind. High performance sensors have made these vectors valuable for situational awareness of the current where he’s about to dock, and more, as Dan explains:

I am writing about the Airmar H2183 solid state heading sensor (covered in Panbo here) after my experience as a beta tester. Raymarine gets honorable mention in the title above for its role in making this compass especially useful at a time in recreational navigation when its too easy to cruise all day without taking a compass heading.

18″ radomes #6, MARPA & True Wakes edition 7

18″ radomes #6, MARPA & True Wakes edition

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Though it’s been a while since I wrote about the radome testing, I still feel overwhelmed with what I’ve learned to date, and not done yet.  And at this point — harbor emptying out, cold and dreary — the images are becoming nostalgic.  On the beautiful day above I was off Camden as the area’s fleet of “dude schooners” gathered for the Windjammer Festival.  Besides enjoying the scene (note the gentle sailing breeze, and also the indication that True Wind and Ground Wind are indeed different, as recently discussed), I intented to use the fleet as MARPA targets.  But I got sidetracked by a feature that partially does the work of MARPA without having to cursor around and select targets.  Click on the screen above and I’ll explain…

Cruising with Dan in Annapolis 7

Cruising with Dan in Annapolis

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Guest Entry by Dan Corcoran

My family and I took a road trip to the Annapolis Boat show this weekend, where I took up a challenge from Ben to write on some products I find, and do so with a conservation of words (rather than my normal verbose style).  Disclaimer: These are not my normal on the water reviews, everything appearing below has not been evaluated or researched by your humble correspondent in the slightest bit!

Garmin HomePort, finally the planner 3

Garmin HomePort, finally the planner

Being a natural born optimist, the longer Garmin took to solve its route planning problem, the cooler I hoped the solution would be.  We won’t know for sure until the November release, but HomePort...

FLIR M-Series testing #1, neat dets 9

FLIR M-Series testing #1, neat dets

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I first saw a working FLIR M-626L thermal camera in Miami last winter, and am keen to try it on my own boat in familiar territory.  Obviously the shot above was taken from my mooring float before the daylight faded completely, but it does hint strongly at what I’ll get at night.  After all, the image seen on the Raymarine C140W above is all about heat, not light. Click on the photo and compare thermal to visible spectrum.  (Note that I added the black marks at top to show the slightly-panned camera’s field of view, and that everything is slightly widened because I used the Ray’s widescreen aspect ratio to fill the screen.)  See how ‘hot’ humans on the docks and even in the distant head-of-harbor park show up clearly, as does the south-facing brick wall of the library and the similarly heat-holding ledges up on Mt. Battie?  When I get a chance to try the FLIR in pitch dark conditions, I hope to see lobster pot buoys — the bane of night running around here — pop out clearly.  In the meantime, here are a couple of neat M-Series installation details…  

18″ radomes #5, the 3nm no-one-best-of edition 25

18″ radomes #5, the 3nm no-one-best-of edition

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Sorry I’ve been such a tease about the radar testing. Since entry #4, the wet edition, there’s only been a mention of dome changes and a peek at Broadband on the new Simrad NSE.  Frankly, I’m a bit overwhelmed by the research I’ve done so far — which includes hundreds of photos and screen shots — and I still haven’t spent enough time underway, particularly in rain and fog, with the four systems currently installed on Gizmo (above).  Patience, please!…

On Megunticook, w/ Navionics & Humminbird 5

On Megunticook, w/ Navionics & Humminbird

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I finally got the loaner Humminbird 1197c installed on Li’l Gizmo, and am pretty darn impressed with its side scanning abilities.  But before I get into that, check out that hi res map of my local Lake Megunticook.  Yes sirree, Navionics recently updated their Premium and Platinum Hot Maps to include the data I helped collect one crazy day last fall.  Frankly, the Megunticook map came out better than I expected.  I know how fast the surveyors criss crossed spots like this, and how far apart their tracks were, but I’ve sonared a few miles of lake bottom right alongside the new map, and have yet to find a surprise.  Going from the old sketch chart to plotting on this level of detail is a giant leap in situational awareness (and possibly fishing success), and adding the side scan view is another big step…