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The Earthmate PN-40 is a high-sensitivity, high-performance, bright-color-screen handheld GPS that offers an unrivaled selection of display options including up-to-date DeLorme Topo USA topographic maps, color aerial imagery, USGS 7.5-min. topographic quad maps, and NOAA nautical charts.
 The Earthmate PN-40 is a high-sensitivity, high-performance, bright-color-screen handheld GPS that offers an unrivaled selection of display options. Click to enlarge. |
With its 32-channel STMicroelectronics Cartesio chipset and DeLorme ConstantLock technology, the PN-40 acquires satellite signals quickly and retains them in the most challenging GPS environments. Map and imagery displays are lightning-quick thanks to a powerful dual-core processor.
A three-axis electronic compass can be used with the PN-40 held in any position, while a barometric altimeter provides reliable altitude readings. The on-board base map includes major highways and thoroughfares worldwide plus secondary and connector roads in the U.S. Detailed U.S. street and topo maps can be selected from the included Topo USA software.
The PN-40 holds up to 1,000 user-defined waypoints, 50 routes, and 10 tracks. All can be easily received from or sent to the included Topo USA software. The device displays both road and trail routes automatically generated using Topo USA. Road routes and direct (point-to-point) routes also can be generated on the PN-40.
Available onboard Flash memory totals 500 MB and the PN-40 also supports high-capacity SD cards (SDHC) up to 32 GB. The 65K-color daylight-readable TFT screen provides clarity in any light conditions including direct sunlight. The PN-40 is WAAS-enabled, waterproof to IPX-7 standards, comes in a rugged, impact-resistant rubberized case, and weighs just over five oz.
A Complete Out-of-the-box Solution:
Unlike other GPS receivers that require additional map data purchases, the PN-40 comes with up-to-date DeLorme Topo USA mapping software in the package. This is the full version of Topo USA, with all its desktop and GPS capabilities included. Also in the package: East, Central, and West regional DVDs with detailed U.S. street and topo maps by state or region; a 1-GB SD card--ideal for large map and imagery transfers; a detailed user manual, a Quick Start Guide, and two AA batteries. A $40 certificate is included for downloading sample supplementary datasets and then a new $29.95 Map Library annual subscription plan is offered for unlimited data downloads.
 The serious GPS alternative. |
Serious Performance
- New--Blazing-fast, high-sensitivity 32-channel STMicroelectronics Cartesio chipset
- New--Dual-core processor for instantaneous map and satellite imagery redraws, even with large aerial imagery files and multiple maps layers
- 360¡ raster rotation sets the PN-40 apart from other common GPS handhelds. With 360¡ rotation road, building, and other images really are on your left or right as you look at the map and walk, bike or drive
- New--3-axis electronic compass with included accelorometer performs when held in any positionÑwhile in motion or standing still
- New--Sensitive barometric altimeter for reliably accurate altitude readings
- WAAS-enabled for accuracy within 3 meters
- New--Now supports SDHC high-capacity SD cards (up to 32 GB) for fast and direct map transfer from the included maps discs
Serious Maps
- Included. Comes with three discs containing detailed hybrid topographic and street maps of the entire USA. You do not need anything else to hike, geocache, or navigate the backcountry. It's all in the box.
- Also Included: Sample Certificate. A $40 certificate is included for downloading sample supplementary datasets. Take a "test drive" with any of the supplementary datasets DeLorme offers: high-resolution aerial imagery, USGS 7.5-Minute Quad Map, NOAA Nautical Charts, and more..
- And for Only $29.95! Then, once you're convinced, subscribe to the NEW DeLorme Map Library for only $29.95 per year. Get all the USGS Quads, NOAA nautical charts and high-resolution color aerial imagery to layer WITH your topo and street maps for only $29.95! No hidden charges.
Serious Tough
- The PN-40 is waterproof to the IEC 529 IPX7 standard
- Designed to function in high-humidity environments, including consistent humidity levels over 90%, and in the rain
- The PN-40 has been rigorously tested to function in high-vibration conditions such as off-road driving
- Operating temperature range for the PN-40 is -20 degrees C to +75 degrees C. The PN-40 should function in extreme cold as well as rapidly-changing temperature environments
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| What's in the Box
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Serious Value
- No one else offers COMPLETE U.S. hybrid, routable Topographic and Street maps WITH your initial purchase
- In addition, for the extremely low price of $29.95 annually, subscribe to the DeLorme Map Library of downloads for all the USGS 7.5-minute Quads, NOAA nautical charts, and Hi-Resolution Aerial Imagery you want. All downloads are accessed through the convenient NetLink tab of your DeLorme software
Serious Quality, Service & Support
And as if the PN-40, Included Topo and Detailed Street Map and the huge values of the MapLibrary Subscription were not enough, you get serious DeLorme quality:- Renowned DeLorme-Quality Maps
- Quality Geospatial Engineering
- Quality Hardware Engineering
- Quality U.S.-Based Customer Service
- Quality U.S.-Based Technical Support and Open Online GPS User Forms
What Else Should I Know?
High-Performance Technology
Features STMicroelectronics Cartesio chipset and updated DeLorme firmware for amazing signal acquisition and retention, map scrolling and redraw--even with multiple layers of imagery, topo and street maps.
| Complete Detailed U.S. Street and Topographic Maps Included with ALL PN-40 Purchases |
 Click for U.S. Street & Topographic Map samples. |
 Click for World Base Reference Map samples. |
 Click for USGS 7.5-Minute Quad Map samples. |
 Click for NOAA Nautical Chart samples. |
 Click for Color Aerial Imagery samples. |
 Click for Color Satellite Imagery samples. |
 Click for DOQQ Aerial Imagery samples. |
Multiple Views of the Same GPS Location
On-device data layering lets you select which map or imagery type to see of your GPS location. Switch among data types to gain a comprehensive view of where you are--it's revolutionary and provides a whole new level of geographic detail.
Bright Color Screen
Works in bright sunlight to total darkness. Sharp¨ brand screen featuring the latest transflective screen technologies to maximize visibility under a variety of lighting conditions.
Rugged and Waterproof
Conforms to IPX-7 waterproof standard with impact-resistant rubberized housing for a solid grip. Concealed battery compartment with SD card slot. Includes two AA batteries.
Easy Exchange of Maps, Tracks, and Waypoints
Exchange routes, tracks and waypoints between the GPS and Topo USA (two-way transfers).
Extensive On-Device Memory
1-GB of internal flash memory available in addition to the pre-loaded world base map. Holds up to ten tracks (10,000 points per track); 1,000 user-defined waypoints; and 50 routes. SD slot also available.
Don't Forget--Complete Detailed U.S. Street and Topographic Maps Included with ALL PN-40 Purchases
Detailed U.S. Street & Topographic Maps
- Cut & transfer custom map packages of the exact coverage you want
- Detailed vector-based maps created from the USGS topographic data & the latest DeLorme U.S. street & trail network
- U.S. land cover including bodies of water, wetlands, forests, mountains, glaciers, grasslands, rock cover & more
- Contour lines with elevation numbers
- Fully routable when combined with the corresponding Regional Highway map
- By default, saved map packages include data zoom levels 8-17 (which translates to a scale of 4 miles through 40 ft). Saved maps display all roads, land cover, and contours
The DeLorme World Base Reference Map
- Preloaded on the Earthmate GPS PN series
- High-level map includes country borders, highways & major roads
- Displays interstates and major highways at scales of 500 miles to 8 miles
- Created by DeLorme's staff of professional cartographers
Sample Map Library Downloads
Each purchase comes with a Certificate for $40 worth of FREE Supplementary Data Downloads
Use Your FREE Supplementary Data Certificate, or a Map Library Subscription for Any of These Map and Imagery Types:
USGS 7.5-Minute Quad Maps
- Download through the Topo USA NetLink tab--Use your FREE Data Download Dollars
- Transfer from Topo USA to your PN-40, as needed
- The authentic scanned USGS 7.5-minute paper quad maps
- Show roads, trails, buildings, large natural landmarks & other unique features
NOAA Nautical Charts
- The complete set of U.S. waterway available, including the Great Lakes, Alaska, and Hawaii
- Include numerous aids to navigation, water depths, water body names, hazards, and more
- Great for taking along on boating trips, island explorations, and trips ashore
High-Resolution Color Aerial Imagery
- Available for many U.S. States and select U.S. Cities
- Detailed, color, aerial imagery
- Provide a unique aerial perspective, ideal in off-the-beaten-path environments
- Show roads, trails, buildings, large natural landmarks & other unique features
Sat-10 Color Satellite Imagery
- 10-meter colorized satellite imagery for viewing large geographic areas
- Provides high-level views of vegetation, topography, and large, visible geologic formations on the Earth's surface
- Natural color satellite imagery derived from merging SPOT 10m panchromatic & Landsat 30m multi-spectral scenes
B&W DOQQ (Digital Orthoquads) Aerial Imagery
- Detailed, black & white, aerial imagery
- Provide a unique aerial perspective, ideal in off-the-beaten-path environments
- View logging & 4WD roads, bodies of water, and other natural features from above
Earthmate GPS PN-40 Screen Images
| USGS 7.5-min. Quads Wide-ranging USGS quad detail  Geocaching  Hiking in the White Mountains  |
| Color Aerial Imagery Following a Route to a Geocache  Navigating a Route on Water  On-the-job usage  |
| Color City Imagery Jefferson Memorial  Jacobs Field, Cleveland  Space Needle, Seattle  |
| Topo USA Hunting and Fishing  Mountain Bike Trails  Places of Interest  |
| Hybrids Imagery, Contours, Detail Cell Tower Location  Pleasant Mountain Summit  Glacier National Park  |
| Functions Barometric Altimeter  Electronic Compass  Trip Information  |
| Sun/Moon  Tides  Hunting/Fishing  |
| Data Layering  Satellite Acquisition  Driving Directions  |
Readmore
Technical Details
- 32-channel STMicroelectronics Cartesio chipset; dual-core processor for blazing-fast performance- 500 MB of available onboard Flash memory; support for high-capacity SD cards (SDHC) up to 32 GB
- 3-axis electronic compass; Barometric altimeter
- More detailed onboard base map data for the U.S., now with secondary and connector roads, along with major highways and thoroughfares for the entire world
- Fast USB 2.0 data transfers to in-device SD card--no external card reader required
See more technical details
By Dennis Mabrey (Whitehouse Station, NJ USA)
I wrote a review on Amazon about the Oregon 400t. In short I really liked the feature set but found fault with the compass, issues with the battery, and the screen was HORRBLE in direct/indirect sunlight. I returned it because at the price I paid it was not worth it.
So I bought the Delorme PN-40 because the screen was said to be better and it also had a 3-axis compass (the 400t doesn't but the 450t and 550t do but are much higher priced than the PN-40).
Though the screen is somewhat smaller it looks so MUCH better in direct/indirect sunlight. I can turn the backlight completely off and it looks great. The backlight is also much brighter when you need to turn it up. No problems there.
The compass works better than the Oregon 400t being that it is a 3 axis compass. I've been out with the PN-40 four times now and one time the compass got a little 'nutty'. I did a quick calibration and it worked fine after that. The Oregon 400t went nutty on me multiple times and I simply could not trust it. Bottom line though is if you need a compass... take a real compass and only trust these things if necessary.
It comes with some coppertop batteries but I put in energizer lithium 8x batteries. The documentation says that the GPS can determine between alkaline and lithium but when I went to the battery page it said the were alkaline so I manually changed that. They worked great and I highly recommend them. I hiked 8 miles with them and it is still reporting they are full. I had issues with batteries with the Oregon 400t though most people say they work fine. I had problems within 40 minutes with coppertops and the batteries were FINE (multimeter doesn't lie).
Both GPS's have great features and this is where Garmin has something very unique. I raved in my other review over being able to put your own trail maps onto the garmin and use it for hiking. It is a cool feature and if you make it correctly can be a real benefit. You 'can' do the same thing with the PN-40 but you need to purchase their GIS software XMAP. It isn't cheap and isn't worth it just to put trail maps in.
While that is a downer, you can download a large number of map layers from Delorme such as USGS Topo, Aerial and Sat photos. I've done this and while it is probbly very useful I haven't had to resort to using it yet. I think I need to take it somewhere I am not familiar with yet to gauge its usefulness.
Geocaching: Both support geocaching and downloading GPX's from Geocaching.com out of the box. The download of individual GPX files using the Send To GPS function worked faster (or so it seemed) with the PN-40 than the Oregon. And... IF you are a paid member of Geocaching.com you can buy ($9.99) Delorme's Cache Register software. Basically this app manages your Pocket Queries (query search that contains large number of geocaches). You can download from Geocaching.com HUNDREDS of Caches into the GPS at once. It took about 2 minutes to download 500 caches from the website and put them into the PN-40. Quite nice and might be worth the $9.99 if you are a hard core into geocaching. The Cache Register software also will sync up all caches you marked as 'found' to your Geocaching.com account. The PN-40 allows you to mark a Geocache found and also allows field notes. Those too get uploaded to your account and it seems to work as advertised so far.
The user interface for the GPS isn't hard to use. Matter of fact it works like some of my older Garmins (Page goes forward, quit goes backwards). If you read the manual (and who does that?) you can find useful button/keyboard shortcuts when entering in text for Geocaching.
One neat feature the Garmin 400t had was it could show you a graph in how your hike changed in elevation on the GPS itself. The PN-40 cannot do this but you can get the exact same thing if you import your track into the included Topo software (now comes with version 8).
Speaking of the included Topo program, it actually IS a very good program but its user interface isn't the most intuitive thing to learn. If you ever used Delorme's Street Atlas it basically works the same way. I 'think' it is because Delorme makes a lot of GIS apps (like XMAP) and the interface comes from that software. GIS people think 'differently' about geospatial data and so the interface is tailored more to their liking.
By L. Eric Ray (Birmingham, AL USA)
I have owned several GPS's over the years, some were difficult to use, one that failed when I needed it the most. I finally bit the bullet and bought the PN-40 with extra memory right after it came out. Unfortunately, I paid full price, more than it is selling for now. I have been extremely pleased with its performance. I bought the re-chargable battery pack and although the charge still doesn't last as long as the throw-away batteries, it is still convenient to plug it in either the car or home to top off the charge. Unlike the previous GPS (Magellan), this one has been extremely accurate and reliable, although, from my past experience, I still recommend you have a simple compass and a map with you as a back-up.
By Shawn A. Wolfe (Housotn , tx)
Just some background I had ordered the PN-40 to try it out since I was not impressed with my Garmin Dakota 20 I had just purchased. I have a review of that unit Garmin Dakota 20 2.6-Inch Touchscreen Handheld GPS Navigator there if you would like to see what I thought of that.
Pros of PN-40
1. The Screen - Even though it is small for the size of the unit and smaller than the Dakota 20 even this screen is great. It really is easy to read in sunlight. I found the more sun you had the easier it was to see. That is the translucent or transductive or some kind of technology it says. lol. But it works great. The screen being small the maps still looked like they were in HD compared to the Dakota 20 and my friends Oregon 300.
2. Construction - This thing just feels rugged. It looks totally water tight. From the screw down battery cover (no screwdriver needed)to the brass contacts used for USB (there is no USB plug it is a true CONTACT connection which adds to the water tightness)
3 Features - This interface is very simple. It is not as snazzy as some GPS I have seen but it does the job. You can route to Geocache via street turn by turn and then switch to hiking directions when you get out of the car. The paperless geocaching is excellent as well. It came with USA Topo maps and Street maps as well as street maps for Mexico and Canada as well. The other maps are available for $29 a year. Very nice compared go Garmin's per map price. I was also surprised this unit came with a 4 gig mem chip extra in the box. I had not expected that. Honestly I do not travel enough to require a larger chip for maps but it does support up to 32 gig.
Cons of PN-40
1. Battery life - This unit is only rated at 14 hours so I expect about 10 to 12 with good NiCad rechargeable. I will see though. So far I have only pushed it to 10 hours. The new Garmin lines (Dakota and Oregon) get 16 to 20 hours.
2. Compass - The unit has a 3 axis compass. The compass is electronic when you are standing still and it is GPS based when you move. I have not had any luck at all with the compass when I am standing still and the electronic compass takes over. It seems like a paper clip would throw it out of whack even. In my car the metal really did a number on the compass, but only when I was not moving. When moving it is very accurate.
3. Keys - I will admit having back lit or lighted keys would be nice. I will get used to button placement soon and will be able to do everything blindfolded but I have fumbled the past few nights looking for some caches.
Overall I am very happy with the unit. I sent the Garmin Dakota 20 back. It was only $20 more than the PN-40 so price was not a deciding factor. I found this unit was just way simpler without a touch screen and the fact the Garmins come with no maps at all gave this one an edge.
By M. Childs (Weaverville, NC)
I bought this because of all the good reviews I saw. I guess if you want something that is close to accurate, doesn't pick up all that good and is hard to ues it is a good choice.
My nuvi 550 GPS picks up signal faster and is more accurate than this. The maping software is very deep but very hard to use.
By Ellen L (Atlanta, GA)
I bought the DeLorme hoping to use it on hiking trails. I'm a day hiker. I wanted to turn it on at the start of a hike, have it identify where I was and show me what trails/roads were available from that spot. I wanted a "safety net" in case I got turned around on hikes. That ease of use is what I had come to expect from a GPS, because I use a Garmin unit in my automobile and frequently take it with me when I travel, domestically and overseas. For the record, I bought this unit because of the detailed maps, which are clearly superior to what I saw on the Garmin "hiking" units.
It comes with TopoUSa maps, so you have to load them on your computer, you have to learn that software, you have to download the maps for particular areas you plan to travel, you have to figure out how to tell it you're hiking (not driving, boating, etc.) There is no default to limit the device to hiking trails.
The instructions are not adequate for the complexity of the device, and I have not been able to find additional, detailed instructions on line.
Perhaps if this weren't my first "hiking" GPS I would be more forgiving, but it's complexity makes it essentially useless for a day hiker.
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