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The latest version of the book is B2.0, released about 1 month ago. If you've bought a PDF of the book and would like to update it to this version (for free), visit your home page.

By default this page displays the errata for the latest version of the book. If you have a previous version, select it here:

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  • Typo
  • Tech. error
  • Suggestion
  • Maybe next edition
  • Not a problem
  • Reported in: B1.0 (13-Mar-20)
  • Fixed: 20-May-20, awaiting book release
#86442
PDF page: 1
I haven't started the book yet (only bought it yesterday), but I'm glad to see it. One suggestion is that a section on receiving and displaying ADS...more...
  • Reported in: B1.0 (17-Mar-20)
  • Fixed: 20-May-20, awaiting book release
#86449
PDF page: 1
Somewhere early on, it might be worth mentioning zero-cost options, such as using SERs (Someone Else's Radio) aka WebSDRs. For example, a large lis...more...
  • Reported in: B1.0 (02-Apr-20)
  • Fixed: 20-May-20, awaiting book release
#86510
PDF page: 11
In the introduction, you might consider mentioning higher-end SDR receivers and transceivers, such as SDRplay ( www.sdrplay.com/products/ ) and Flex t...more...
  • Reported in: B1.0 (17-Apr-20)
#86609
PDF page: 13
Running 'rtl_test' gives me the following output: "No supported devices found." If this is expected as long as no USB dongle was installed, can you ...more...
  • Reported in: B1.0 (17-Apr-20)
#86610
PDF page: 13
Regards cmake, I suggest to replace these two commands $ make $ sudo make install with these two, which are more generic and work if a different ge...more...
  • Reported in: B1.0 (17-Mar-20)
#86450
PDF page: 15
If you're guiding people towards using dongles (a good way to start!) it might a sidebar to mention that some unscrupulous vendors sell forgeries with...more...
  • Reported in: B2.0 (02-May-20)
  • Fixed: 21-May-20, awaiting book release
#86697
PDF page: 27
“Since all electromagnetic waves travel at the speed of light in a vacuum, or 3x108 m/s, the frequency of the pulses distinguishes one type of wave fr...more...
  • Reported in: B1.0 (24-Mar-20)
  • Fixed: 21-May-20, awaiting book release
#86468
PDF page: 27

Explain units (e.g. m/s) as many US readers won't understand. Also explain metric prefixes (M=mega=10e6 etc.)--Graham Menhennitt

  • Reported in: B1.0 (24-Mar-20)
  • Fixed: 21-May-20, awaiting book release
#86469
PDF page: 27

show calculation: 3 * 10e8 m/s / 100 * 10e6 Hz = 3m--Graham Menhennitt

  • Reported in: B1.0 (02-Apr-20)
#86512
PDF page: 36
"And second, since it avoids the necessary physical imperfections of analog transmitters, more of the power you put into the broadcast gets translated...more...
  • Reported in: B1.0 (02-Apr-20)
#86513
PDF page: 37
"While software exists to decrypt these signals, it’s often illegal for civilians to use. In other words, stick to your local police department broadc...more...
  • Reported in: B2.0 (11-May-20)
  • Fixed: 20-May-20, awaiting book release
#86721
PDF page: 54

Chapter title: Listening to Satelites--Hans Kestler