When Google first launched their maps with satellite imagery, I immediately began using it as a tool for examining airports and non-airport landing spots.

It turns out that I wasn't alone. The aviation community at large has been all over Google Maps. Having the ability to look at an airstrip and the surrounding terrain (and obstructions) before you arrive is amazingly useful in flight planning.

So when I heard that Yahoo Maps had satellite images coming, I tested it using the test case where Google lets me down: the Air Sailing gliderport in Nevada. It's a remote, out of the way place that most people wouldn't want to look at. But I'm not most people.

Here's what you see on Google Maps:


click for full-sized image

Trying to zoom in farther yields this message:

We are sorry, but we don't have imagery at this zoom level for this region. Try zooming out for a broader look.

Had I wanted a broader look, I wouldn’t have zoomed in, right?

Anyway, here's the same spot as seen from Yahoo Maps today at the same zoom level:


click for full-sized image

I can still drill down three more zoom levels and get to an image like this:


click for full-sized image

Kick Ass!

I can better see the clubhouse, the trees, the glider trailers, and so on.

Posted by jzawodn at April 11, 2006 06:52 PM

Reader Comments
# Chris said:

Wierd - I checked two places, and the quality was much farther/grainier for both. Here's an example, compare against Google:
http://maps.yahoo.com/beta/#maxp=search&trf=0&mvt=s&lon=-121.875565052032&lat=37.6882439736352&mag=1

on April 11, 2006 07:12 PM
# Max said:

Argh, when I click on the Yahoo Maps link it asks me for a username/password. I wanted to play around with it - guess we mortals have to wait still.

on April 11, 2006 07:27 PM
# Jeremy Zawodny said:

Uh, that's gotta be a bug.

on April 11, 2006 07:28 PM
# Rasmus said:

To me the big leap is the amount of data there is for outside of North America. I have never really cared about sat imaging. I grew up in a town called Frederikssund in Denmark, for example. Good luck finding that on Google maps. This is as close as you will get:

http://maps.google.com/?ll=55.799737,12.12616&spn=0.915478,2.326355

Compare to:

http://maps.yahoo.com/beta/index.php#maxp=search&mvt=m&trf=0&lon=12.0894241333008&lat=55.8360003250546&mag=7

Still not real street-level navigation for the rest of the world, but it at least shows you the cities and the major streets and train tracks.

on April 11, 2006 07:34 PM
# Jack said:

I've noticed that a few areas which Google used to show a lot of detail have been replaced with maps showing much less detail. The area I was looking at was in Tokyo near a number of foreign Embassies. Used to be you could see windows, now the buildings are just blobs. Maybe they are doiing similar things with airport locations.

on April 11, 2006 07:40 PM
# Joe Buck said:

Lame
***********************************************************
Sorry, Authorization Required.
This server could not verify that you are authorized to access the document requested. Either you supplied the wrong credentials (e.g., bad password), or your browser doesn't understand how to supply the credentials required.

Please check the URL for proper spelling and capitalization. If you're having trouble locating a destination on Yahoo!, try visiting the Yahoo! home page or look through a list of Yahoo!'s online services. Also, you may find what you're looking for if you try searching below.
***********************************************************

on April 11, 2006 08:49 PM
# Joe Buck said:

Not lame
***********************************************************
http://local.live.com/default.aspx?v=2&cp=39.869103~-119.703007&lvl=17&style=h
***********************************************************

on April 11, 2006 09:25 PM
# Zhasper said:

Notsogood for Australia.

For a start, even when I've got only Australia in the map, it can't find any results for "Sydney". For another, http://maps.yahoo.com/beta/#maxp=search&q1=sydney&mvt=s&trf=0&lon=151.217794418335&lat=-33.8481066855797&mag=5 is the best I could get, compared to http://maps.google.com/maps?f=q&hl=en&q=sydney&t=k - or even http://maps.google.com/maps?f=q&hl=en&q=sydney&ll=-33.851956,151.21066&spn=0.003052,0.00611&t=k

I do like the re-writing of the URL in the address bar though, and it's much better than MSN's Virtual America, which gives me http://local.live.com/default.aspx?v=2&cp=-33.862433~151.217194&style=h&lvl=9 - distances only in miles! Two clicks (a left and a right) to copy the permalink URL! That annoying redraw of the screen after the tacky zoom-in effect! Argh!

on April 11, 2006 09:46 PM
# Jeremy Johnstone said:

Here is a digg on it:

http://digg.com/links/yahoo_has_satellite_maps_

Can't wait to see what's coming next from the maps team... ;)

on April 11, 2006 10:22 PM
# Peter said:

Rasmus, Frederikssund is major city compared to Nyråd where I come from and still Y! maps finds it.

http://maps.yahoo.com/beta/index.php#maxp=search&q1=nyraad,+denmark&trf=0&mvt=s&lon=11.9799041748047&lat=55.0000692946214&mag=6

Kudos to Y! maps.

on April 11, 2006 10:36 PM
# Mahlon said:

In my neighborhood, Google's imagery is far superior to Yahoo's:

http://www.buygoogle.com/2006/04/better-satellite-imagery.html

And Live Local is even better than Google:

http://local.live.com/default.aspx?v=2&ss=culver%20and%20405&cp=33.669576%7E-117.822707&style=o&lvl=2&scene=402982

This is all just anecdotal baloney, though, since each service has different resolutions in each area. Anyone know of a more comprehensive comparison?

on April 11, 2006 11:00 PM
# Lynn said:

Hey, the reason some commenters haven't been able to access the URL is because the new Y! Maps is in internal alpha (guess that identifies which commenters are Yahoos...).

on April 11, 2006 11:34 PM
# Michael Lawless said:

Hey guys.

So Jeremy is using the old Alpha URL's in his blog post (I'm sure he'll fix tomorrow), but the app is indeed live tonight at http://maps.yahoo.com/beta/

A couple of notes:

This is the tip of the iceberg. We've got some great coverage to get started and now that we have a baseline, we're going to start piling on a lot more data.

While we don't have the ultra-high-rez (yet, stay tuned), we have some pretty serious coverage across the US, and we have some of the freshest data available right now.

Internationally. We have a lot of data coming online in the coming weeks, but we wanted to focus on the baseline layer and release, and then start filling in the high rez stuff.

Unlike everyone else out there, we started from scratch (Terraserver==MS / Keyhole==Google / GlobeXplorer==ASK), and I think we're going to do just fine now that we're in the swing of things and on a serious roll.

I know we have some catching up to do in some areas, but I think that people would find that we've got a pretty solid start and are going in a good direction. I hope you agree.

Cheers!

Mike

on April 12, 2006 12:00 AM
# said:

Requires Flash, very very very lame.

on April 12, 2006 05:56 AM
# Carlos Jorge Andrade said:

Concerning Portugal(Europe) the satellite imagery is still very poor. Google stills kicks ass around here.

Check it out, this is the best i can get:
* Yahoo!
http://maps.yahoo.com/beta/index.php#maxp=search&trf=0&mvt=s&lon=-8.59354019165039&lat=41.1746486875451&mag=5
* Google
http://maps.google.com/maps?q=41.1843,-8.6017+(Carlos+Andrade)&t=k&hl=en&ll=41.184129,-8.602005&spn=0.001603,0.005214
* MSN Live
http://maps.yahoo.com/beta/index.php#maxp=search&trf=0&mvt=s&lon=-8.59354019165039&lat=41.1746486875451&mag=5

Google is brutal!
Yeh, i know, the US first... nevertheless, Yahoo! is trailing. ;-)

on April 12, 2006 07:08 AM
# Rasmus said:

On the Flash being lame statement above. If you don't like Flash, it is trivial for some definition of trivial to build your own interface using the excellent Maps API. See this example:

http://lerdorf.com/ymap

No Flash needed there. Or feed it a geocoded RSS file:

http://lerdorf.com/ymap?q=http://earthquake.usgs.gov/eqcenter/recenteqsww/catalogs/eqs7day-M2.5.xml

The code for this is here:

http://lerdorf.com/ymap.phps

on April 12, 2006 10:14 AM
# Dan Isaacs said:

Yahoo has newer images for my house, but not closer ones. Since it shows the house across the street, I'm guessing they are 6mos to a year newer.

Yahoo:
http://maps.yahoo.com/beta/#maxp=search&q1=2502+Walden+Woods,+27523&trf=0&mvt=s&lon=-78.8849687576294&lat=35.7521895087177&mag=1

Google:
http://maps.google.com/maps?f=q&hl=en&q=2502+walden+woods,+apex,+nc,+27523&ll=35.75215,-78.884942&spn=0.001624,0.003358&t=k

Both put the pin in my neighbor's front yard, though. :)

on April 12, 2006 08:30 PM
# ack said:

For my house, I have to vote for Google. The Google image is around two years old but it looks like the Yahoo one is closer to 3-4 years old. This is for NYC metro area. Of course since my actual house is less than two years old, I am out of luck for them both! I still await being able to map my actual address...

on April 13, 2006 08:31 PM
# nathan arnold said:

Calling Flash lame is lame, this isn't 1999 anymore. Go un-uninstall it in your browser and get on with it!

on April 14, 2006 10:06 AM
# Peter said:

hi...that is very interisting information...give it from that more sites to read it

on April 24, 2006 06:33 AM
# Greg said:

This is great! My dad flies gliders and this is their airport in freehold, NY. You can see the planes on the ground.
http://maps.yahoo.com/beta/#maxp=search&q1=freehold,+ny&trf=0&mvt=s&lon=-74.0639019012451&lat=42.3636692917313&mag=1

In google earth, you can see the ridges that they catch thermals on. Way bitchin'!

on April 25, 2006 11:40 AM
# Bryce said:

I can't seem to find the satellite veiws like Google Earth. It really sucks. They show us images but not the actuall thing

on July 9, 2006 09:08 PM
# Jeremy Zawodny said:

Huh?

on July 9, 2006 09:09 PM
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