transponders

After two years in hibernation, Kevin Ryan's "Journal of 9/11 Studies" has published a new article: "Implications of September 11 Flight Transponder Activity" by Aidan Monaghan, May 2017. Abstract: I haven't read it, but since Monaghan is a Truther, Ryan is a Truther, and the JoNES is a...

I hate it when people pretend to be experts, they can easily make up all manor of crap and so you have to go to great lengths to find out exactly why they're wrong. A truther (yea, the same one..) is now making claims about how transponders being turned off really isn't that big a deal. I...

Please Denounce the Whoppers: An Open Letter to James Randi and the Skeptic Community by John H. Morrison (johnm 307 AT wind stream DOT net) January 21, 2010 Why couldn't ATC find the hijacked flights? When the hijackers turned off the planes' transponders, which...

Hi, I have a question for anyone who is familiar with fighter aircraft, in particular American ones. I apologise for starting an entire thread to get an answer to a simple question, but I didn't know another way. The question relates to the IFF transponder and how it works. As I understand it...