Showing posts with label camping. Show all posts
Showing posts with label camping. Show all posts

6/05/2012

U.S. Issue Mil-Spec Tritium Illuminated Aluminum Military Lensatic Marching Compass Review

U.S. Issue Mil-Spec Tritium Illuminated Aluminum Military Lensatic Marching Compass
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After placing the order, I received a genuine Cammenga Model 3H lensatic compass with tritium...the real deal. The compass I received is both rugged and accurate. The model 3H is much better than other, cheaper lenstatic compasses I've used in the past. The difference is stark. From the aluminum constrution to the clarity of the readings...this compass is worth the extra money. It is a little more difficult to operate than some of the more popular baseplate compasses, lacking a "set and forget" declination adjustment and numerous map scales, but the Cammenga is unquestionably more durable than the comparably priced baseplate model.

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11/21/2011

Brunton Nomad V2 Pro Digital Compass with Barometer/Altimeter Review

Brunton Nomad V2 Pro Digital Compass with Barometer/Altimeter
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I love this tool and used it regularly on a recent motorcycle tour of Colorado. The barometer showed local atmospheric conditions and helped us with daily route planning and it was fun to use to the altimeter and see just how high we were - over 12, 000 feet in Rocky Mountain National Park. The compass came in handy on our hikes.
This is not a difficult tool to use and the displays are easy to read. It appears to be made of the usual Brunton quality. I didn't give it five stars because of the included instructions. Finding this hard to read document riddled with typos and confusing layout included with this sophisticated instrument struck me as bizarre.
Instructions aside, this is one useful gadget.

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Brunton's Nomad V2 Pro compass is the ultimate weather center/digital navigator combo. The digital dynamo offers such weather-related data as altitude, barometric pressure, and up-to-the-minute temperature readings, so you'll know whether to turn back on a hike or keep trudging along. At the same time, the device takes both compass bearings and directional readings--a must when exploring unfamiliar terrain on backpacking trips or performing a professional survey. Add in declination adjustments for regions with magnetic variation and a built-in bubble level and you have a powerful tool that excels at virtually any outdoor application.
The Nomad V2 Pro is extremely accurate regardless of the measurement, with a barometric pressure resolution of 0.02 inHg (1 mbar/hpa), an altimeter resolution of 1 foot, a compass resolution of 1 degree, and bubble level precision of +/- 2 degrees. Users will also dig the 20 altimeter memories, which are great for training purposes. Other features include temperature readings in both C and F, accumulated and maximum altitude readings, a backlit digital display that offers dual date and time readings, and two daily alarms.
The Nomad V2 Pro, which measures 3.5 by 2.3 by 0.7 inches (W x H x D), comes with a wrist/neck lanyard and is backed by a one-year warranty.
What's in the Box? Nomad V2 Pro, wrist/neck lanyard, 3-volt lithium battery, user's manual.

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11/02/2011

Suunto Altimax Wrist-Top Computer Watch with Altimeter and Barometer Review

Suunto Altimax Wrist-Top Computer Watch with Altimeter and Barometer
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This watch has many great features, and few shortcomings. The bad first, and then the good: First; It is quite big. At first it seems like a hockey puck has been strapped to your wrist. Second; it uses a barometer to guage altitude, and therefore it requires some study, attention to detail, and monitoring and adjustment to get the most out of it.
Now the mitigating factors on these shortcomings: First (large size); while it is a bit large on your wrist, it is quite lightweight, and after a while, you get used to it. Overall, it is quite comforable to wear. The large control buttons are easy to use in winter with gloves on. And, the large display makes the data easy to digest. Second (barometer-based altimeter); all the other altimeter watches on the market work in much the same way, so this shortcoming should not disqualify this watch in comparison to other climbing/skiing watches.
Now the good: First; it has the features you need and not a lot of others you don't. Timekeeping, altitude, barometer. That's it. No other gadgets to confuse and add to the cost. Second; it's very rugged. I've abused mine heartily and it's stood up very well. Third; the features it does have are comprehensive and well executed. Fourth; assuming you master the arcane science of tracking altitude with a barometer -based altimeter, this one is quite accurate compared to some others I've tried (like the casio models).
Quick summary of features: the basic timekeeping functions are great! Time, date, multiple alarms, countdown timer, stopwatch, dual time zone -- all work easily and intuitively.
In Altimeter mode, the main display gives you your current altitude and a quick display of your recent trend. After this, it get complicated. The feature set is robust, and you'll have to spend some time with the manual to master it. It will measure just about anything related to going up or down a mountain that you could ever think of. It can also log these things and remember them for your future use. It can be changed from measuring feet per minute skied (for example) to feet per hour climbed. You name it, this thing can record and measure it.
What I use it for mostly, is just to show me where I am on the mountain in terms of altitude. To do this, you'll need to know what the actual altitude is where you start (parking lot, for example) and use that to set the altimeter. From there, the watch will keep an extremely accurate account of where you go from there. The only problem will be if a new weather pattern moves in. This will cause a change of barometric pressure and will affect the accuracy of the altitude reading.
In barometer mode, this watch will also give you a very accurate warning of a new weather pattern moving in -- as long as you are not changing your altitude substantially. As with the altitude mode, you can ask it to log data into memory to see trends and keep track of pressure over time.
In summary, it is an excellent tool for mountaineers and skiers. Used properly, it is a very accurate tool for navigation and weather forecasting. However, expect to spend some time with the user manual to master the features before you ask it to help save your life. I've tried several of the other watches on the market (Casio, Avocet, Nike) with similar features and this is the best of the bunch.

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Vital data you need hiking, climbing, or skiing is just a glance away with the Suunto Altimax Wristop Computer. Get all the functionality of a watch, altimeter, and barometer in a stylish red design. The Altimax looks like a high-end wristwatch, with an ABS plastic body and resin wristband with a buckle closure. The body is black, with a ring of black around the dial and an oversized, backlit LCD screen. The Altimax is made tough, built to be waterproof even when submerged up to 100 feet.
The watch displays day, time, and date with three programmable alarms plus a stopwatch and countdown timer. The dual time function allows you to stay on time even when traveling in a different time zone. The Altimax also offers a combination of altimeter and barometer functions.
The altimeter allows you to view the current altitude with a range up to 29,500 feet and a resolution of 10 feet. Also view your ascent/descent rate in feet per minute. (All measurements are also available in metric units.) One-button access allows you to see immediate information about vertical ascent/descent and the number of runs skied.
The barometer allows you to measure the temperature in Celsius or Fahrenheit, absolute pressure, and a difference measurement to follow changes in barometric pressure and temperature. The automatic four-day memory keeps track of atmospheric pressure information. Another feature is the adjustable sea-level pressure function.
The Altimax comes with a user-replaceable battery, which lasts up to 18 months, and a low-battery indicator. It is covered by a one-year warranty.


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10/21/2011

DeLorme Earthmate PN-40 Waterproof Hiking GPS Review

DeLorme Earthmate PN-40 Waterproof Hiking GPS
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I must say that I find it interesting that there are so many glowing reviews about this flawless GPS. I am always skeptical of anything that sounds too good! I read many of the reviews online, and after evaluating the specifications and features, opted to buy the Delorme PN-40. Prior to this purchase, I owned a Garmin 60CSX GPS. I believed that the Delorme was poised to be a significant improvement in both the tracking ability and the display of aerial overlays.
Let me begin by stating that I don't believe there is a perfect GPS except from the perception of the user and their application. If it meets your criteria, then it serves the intended purpose! That being said, let me try to summarize my personal observations from my point of view.
After purchasing the Delorme PN-40, I quickly signed up for the $29.99 annual download service to take advantage of this impressive feature. I have downloaded about a dozen maps at this posting and must say that Delorme has been very effective in minimizing the number of maps that can be downloaded. First, the size of the maps you can download for each map type (color aerial, USGS, etc..) is restricted to some size in sq Km. This isn't too much of an issue as they are large enough for my typical hike. Second, I have found that the download speed is being limited to speeds on the order of 15-20Kb/s. This is incredibly slow considering the capability of cable is in excess of 700Kb/s. A typical download time for the maximum 250sq/km file is over 1.5hrs. In addition, many of the downloads stop prematurely, and this requires you to download the entire file again (a download manager isn't able to resume the download after termination). I have spent days trying to download a single file due to premature downloads (and no, my modem and router aren't the cause!)
The learning curve for uploading the map files to the PN-40 is tricky and not documented very well. It took me (I'm an electrical engineer) about 4 hours to sift through the documentation along with some trial and error. Once downloading was accomplished, I found that the display of the maps was pleasing, but lacked detail.
I then took the Delorme PN-40 and Garmin 60CSX (Sirf Star III chipset) on a 9 mile hike in Forest Park located in Portland Oregon. I used fresh Powerex Medion batteries in both GPS's. The temperature outside was about 35degF and the hike took approx 5 hours. My findings are as follows:
The Delorme PN-40 took several minutes longer than the Garmin 60CSx to lock onto the satellites before a 3D view was possible. The Delorme circle of uncertainty, accuracy of the location, varied significantly while standing in the same spot on open terrain with no obstructed view of the sky. The variation would be on the order of +- 15ft to +-40ft. The Garmin locked onto the signal vary consistently for this same location with variations of only +-2ft. I found the aerial display on the Delorme to be difficult to see without the backlight. Note that the isobar lines aren't easily seperated from the aerial background. It may just be me, but I'm not color blind and have good vision. The Garmin display is easier to see, I think, because there isn't much clutter on the display (the backlight helps very much in low light also). The Delorme tracking lines are superb! It is easy to see where you have gone and is nicely color contrasted to the background map. The Garmin tracking points are almost impossible to see (until downloaded to your PC) as they blend into the topo map! The last point I want to make concerns the battery life, and this was the biggest issue for my personal use. The Delorme battery life was barely acceptable (for my purposes) under the conditions of this hike (cold and wet for 5 hours). The battery indicator on the Delorme started dropping after about 2.5 hours and declined steadily for the remainder of the hike. The last hour of the hike I expected the Delorme to shut off, but the batteries did hold out for the full hike. The Garmin battery life remained at full for the entire hike. You can argue that my test wasn't exactly fair since the batteries weren't brand new and don't know how often I used the backlight, but I didn't expect the Delorme to start indicating reduced battery power so soon. A sample size of one unit is not exactly a great indicator of all the units sold, but then I'm not being hired by anyone or trying to take sides! Obviously, you must be the decision maker for your application.
I will say that both products performed well enough for this one hike. I prefer the Garmin for satellite reception, consistent locking, battery life and ease of software use. However I do like the display capabilities of the Delorme. Also, the Delorme mapping is far superior to Garmin, but at the expense of a steep learning curve. I also want to mention that Delorme did a great job for allowing use of every battery type you might want to use; from lithium ion to alkaline. Also, I really appreciate Delorme giving easy access to the full capacity of a 32Gb SDHC card (which I verified worked well), but you do need plenty of storage for the hybrid aerial maps.
In summary, let me say that in my opinion I feel that Garmin has the lead on GPS hardware and that Delorme has the lead on Mapping software. I would love to see a product created by the merger of these two companies to take advantage of both of their strengths. Good luck on your purchase decision.
Note that I am not an employee of either company, and have no personal bias towards them. I also own products from both companies!

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