If you do not want to use USB you can use TTL GPS recievers. Sparkfun does a very fast 50 channel GPS receiver but you can find other ones on eBay or other sites. 

You can use this by disabling the serial console on the Pi and connect the receiver directly to the UART pins. 



* Remember to check the voltages of the GPS device you are using

How do I attach a GPS receiver?
In India, a minimum of 3 years of work experience is necessary to be appointed as an assistant professor in any of the IITs. (Years during the PhD or master's are not counted, but any year spent outside university after bachelor's will count.)

Is such a work experience a necessity even in US universities? If yes, how much will this weigh towards selection? If the candidate has only a post-bachelor's experience, what should be highlighted from that so as to enhance this application?
