Here is the schedule for the Spring Sprints, 2012:
The 144 MHz Sprint will be from 7 PM until 11 PM local time on Monday, April 9, 2012.
The 222 MHz Sprint will be from 7 PM until 11 PM local time on Tuesday, April 17, 2012.
The 432 MHz Sprint will be from 7 PM until 11 PM local time on Wednesday, April 25, 2012.
The Microwave Sprint will be on Saturday, May 5, 2012, from 6 AM until 1 PM local time. This includes all Amateur frequencies above 902 MHz. Please include band data in summaries and logs. NOTE: use of Liaison Frequency is encouraged.
The 50 MHz Sprint will be from 2300Z Saturday, May 12, until 0300Z Sunday, May 13, 2012.
For more information, please check go visit the Amateur Radio VHF & Up Spring Sprints website. This is sponsored by the good folks at the Central States VHF Society.