Tag Archives: Google

How to Extract GPS Coordinates for a Google Maps Location

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It’s a lot easier than you might think.

Like most folks who depend on the Internet as a source of information, I use Google Maps a lot. But rather than use it to track down street addresses and get driving directions, I use it to pinpoint places out in the middle of nowhere that I need to visit by helicopter. There are usually no street addresses, and even if there were, they wouldn’t help much while flying. What I need are GPS coordinates.

You might be in a similar situation. You see a place on a map and, for one reason or another, you need to know its exact GPS coordinates. Fortunately, Google Maps can help. Here’s how to get those coordinates.

  1. Use Google Maps (not Google Earth) to display the location you want GPS coordinates for. In my example, I’ll use satellite view to find a dirt airstrip I know along the Verde River north of Phoenix. You could search for an address if you needed the coordinates for a street address.
  2. Google GPS Step 1Hold down the Control key and click right on the spot you want the coordinates for. A menu pops up. (You may be able to simply right click, but I’ve had limited success with that on my Mac using Firefox; Control-click always works.)
  3. On the menu, choose Center Map Here. The view will probably shift a bit.
  4. Google GPS Step 2Above the map area, in the blue bar, click the Link button. A window appears with two text boxes in it. The contents of the top text box, which are selected, includes a link to the map that you might paste into an e-mail message. It also includes the GPS coordinates, which I’ve indicated with a red box around them. Sometimes the GPS coordinates are not so obvious and you’ll need to scroll through the contents of the box to find them.

Note that the coordinates are in digital format. In this example, they’re 34.160043°N 111.727266°W. (West and South are negative numbers.) Some GPSes use this format; you can usually specify the format you want to use in your GPS’s settings.

If you need coordinates in degrees, minutes, seconds format, you’ll need to do some simple math. Let’s take a look at how it works for the first number: 34.160043.

  1. Take the whole number (34) and set it aside. That’s the degrees.
  2. Take the number after the decimal point and multiply it by 60: .160043 x 60 = 9.60258
  3. Take the whole number from that calculation (9) and set it aside. That’s minutes.
  4. Take the number after the decimal point and multiply it by 60: .60258 x 60 = 36.1548
  5. Take the whole number from that calculation (36) and set it aside. That’s seconds. Keep in mind that if you want a more precise number, you can include the decimal places after it. You might also want to round the number up or down depending on what comes after the decimal point. In this example, the number after the decimal point is 1 so I’d round down and use 36.
  6. Put the numbers you set aside together in degrees° minutes‘ seconds” format. In this example, you’d have 34° 9′ 36″.

My helicopter’s GPS uses a degrees° minutes‘ format, so I’d stop calculating after step 2 and wind up with 34° 9.60258’.

Congratulations! You’ve made it to the end of yet another post here on An Eclectic Mind. If you got this far, you must have gotten something out of what you read. And isn’t it nice to read Web content that isn’t full of annoying ads?

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E25 to BFI by Helicopter on Google Earth

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My four-day trip, plotted.

I’m a geek. Everyone should know that. This just proves it again.

I use a gps logger to track my GPS coordinates when I’m out and about taking photos, mostly so I can geotag my photos. But on long flights, I often turn the GPS logger on and let it collect my coordinates as I fly. The logger I use has a huge memory and was actually able to accumulate GPS coordinates for my entire helicopter flight from Wickenburg, AZ to Seattle, WA.

Helicopter Flight on Google EarthThe image shown here shows the four days of my flight. Day 1 was Wickenburg to Page, AZ. Day 2 was a photo flight on Lake Powell followed by a flight from Page, AZ to Bryce Canyon, UT. Day 3 was Bryce Canyon, UT to Salt Lake City, UT and then on to Yakima, WA. Day 4 was a bit of scud running to get to the other side of the Cascade Mountains, from Yakima to Seattle, WA.

If you’d like to look at the track points in detail on your copy of Google Earth, you can download them. They show altitude, too, so you can get an idea of how high or low we were for various stages of the flight. You can probably even do some kind of flyby if you have the right software.

Pretty cool, no?

Beggar Spam

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A new kind of spam makes me wonder how stupid spammers think we are.

To post a comment on any of my blog-based sites, you need to jump three hurdles:

  1. You need to get past Bad Behavior, a spam prevention solution that can identify bots. If Bad Behavior thinks the a page is being accessed by a spam bot, it simply does not allow that bot to comment. Does this work? Well, during the past 7 days, Bad Behavior has blocked 2,018 access attempts. Does that mean it has stopped all the bots? Sadly, it doesn’t. But it seems to do a pretty good job.
  2. You need to get past Akismet, the WordPress-provided spam filtering tool. Akismet takes the incoming comments that get past Bad Behavior and evaluate them to determine whether they might be spam. If it thinks a comment is spam, it gets put in a spam “bucket” (my term). Does this work? Well, in March it caught 3,830 spam comments, missed only 11 that I flagged as spam, and incorrectly marked only 3 good comments as spam that I rescued. It has caught a total of 54,048 spam comments since October 2008 — that’s just six months.
  3. June 30, 2014 Update
    I’ve finally gotten around to writing up the site comment policy on a regular page (rather than post) on this site. You can find it here: Comment Policy.

    You need to get past me. I read all the comments that Akismet approves and either approve them for posting on the site or mark them as spam that Akismet missed. In certain rare instances, I’ll delete a comment that might not be spam but is, in my opinion, inappropriate for the site. (You can read my comment policy, if you’re interested.) I also briefly review what Akismet has flagged as spam and occasionally rescue a non-spam comment from the spam bucket so it appears on the site.

If you’re not a blogger, you probably don’t realize how big a problem comment spam is. Simply said, if I didn’t have Bad Behavior to block the bots and Akismet to filter out spam comments, this blog would attract anywhere from 10 to 1000 spam comments in a day. Spam comment contents range from links to sites selling drugs or offering online gambling to simple attempts to get some “Google Juice” from links to specific sites. Some of it contains crude and offensive words and ideas. If I let it get by me and allowed it to be posted on my sites, it would likely offend most of my readers.

But lately, I’ve begun getting a new kind of spam: beggar spam. The content of the message goes something like this:

I do not believe I get only one chance in life. I am from Guinea so my English is bad. Please give.

WTF?

Of course, this kind of comment never makes it to my blog. It’s stopped dead by Akismet or me. After a while, Akismet will pick up the pattern that identifies it as spam and properly filter each beggar spam message into the spam bucket.

But the real question is this: do these spammers really expect blog readers — or bloggers, for that matter — to send money to some faceless beggar just because they asked for it? Does anyone actually send them money to give them the idea this ploy works?

Which brings up another thought: The Internet has made it so easy for people to try to suck money out of people that they’ll try anything, no matter how unlikely it is to work. Just get yourself an automated commenting bot, set its options to include the message and link you want, and let it go. Sixty seconds of effort and an Internet connection can flood the world’s blog (and spam filters) with millions of scam attempts. If even one of them is successful, the spammer is ahead of the game.

I wonder how much of the world’s Internet bandwidth is used by but spammers and con artists. I’m not just talking about comment spam here. I’m talking about e-mail from Nigerian princes and widows. I’m talking about responses to For Sale items on online services, where the buyer offers a certified check for more than the purchase amount and asks you to give the difference to his shipping agent. Or the people who e-mail legitimate companies, offering to pay more for services than advertised, with the difference going to a “logistics” agent.

I see how many of these things cross my path in a day or week or month. I’m just one relatively well-connected person. What of the people who are better connected than me? Or the ones that foolishly put their e-mail addresses, unencoded, on a Web site so the spam bots can scrape them up for sale to spammers? Or the ones with blogs at the top of Google’s page rank that get thousands of visitors a day?

How much of the Internet is wasted on fraud and spammy self-promotion?

Anyway, I’d love to get feedback from other bloggers or people experienced with spam. What’s the most ridiculous spam you’ve ever received? The one that made you think the spammer thinks everyone is a gullible fool? Use the Comments link or form for this post.

And don’t try to spam me, please. Your comment will never appear on this site.