Salutations to the Playmobil Frogman - I salute you.
Darwin speed my flippered friend!
This afternoon, The Register's Low Orbit Helium Assisted Navigator (LOHAN) team will assemble in Blighty's Baikonur (aka Brightwalton, Berkshire) ahead of tomorrow's flight of the Special Project Electronic Altitude Release System (SPEARS) control board. Specifically, this is a test flight to check that the aforementioned …
the frequency in use IS within the 70cm ham band which is allocated to ham radio on a secondary basis (the primary user is the military) another secondary user is ISM (Industrial, Scientific & Medical) which are allowed to operate from the air, license free but have a max power limit of 10mW.
those of us that launch balloons and hold ham licenses have to make sure that the balloon does not identify itself using our callsign while it is in the air since that would be an instant breach of our ham license conditions
As I contributed quite a few ideas for this.
Just a thought, but how hard would it be to hack a TV Rx module rinsed from a broken LCD as a makeshift 434Mhz receiver?
I am led to believe that they work fine at this frequency if the tuner is slightly modified by changing the voltage going to the tuning diode below or above the typical 33V used with a trimpot.
Race to space: Grandville High School robotic team attempts new altitude record
By Monica Scott | mscott2@mlive.com
on July 12, 2013 at 2:50 PM, updated July 12, 2013 at 4:09 PM
The Grandville High School RoboDawgs on Friday, July 12, conducted the next in their series of launches in their Race to Space to reach ever-increasing heights and gather data about winds, air quality, and atmospheric conditions. Grandville RoboDawgs
GRAND RAPIDS, MI - The Grandville High School robotics teams, the RoboDawgs, which has developed remote controlled and fully autonomous land and water drones, pushed toward space Friday, July 12.
The RoboDawgs began their so-called Race to Space in
http://www.mlive.com/news/grand-rapids/index.ssf/2013/07/race_to_space_grandville_high.html#incart_river