06 Jan '18, 6am

Fallen Radiosonde Reborn as Active L-band Antenna

Fallen Radiosonde Reborn as Active L-band Antenna

If your hobby is chasing radiosondes across vast stretches of open country, and if you get good enough at it, you’ll eventually end up with a collection of the telemetry packages that once went up on weather balloons to record the conditions aloft. Once you’ve torn one or two down though, the novelty must wear off, which is where this radiosonde conversion to an active L-band antenna comes from. As it happens, we recently discussed the details of radiosondes , so if you need a primer on these devices, check that out. But as Australian ham [Mark (VK5QI)] explains, radiosondes are a suite of weather instruments crammed into a lightweight package with a GPS receiver and a small transmitter. Lofted beneath a weather balloon into the stratosphere, a radiosonde transmits a wealth of data back to the ground before returning on a parachute after the balloon bursts. [Mark] had his ...

Full article: https://hackaday.com/2018/01/05/fallen-radiosonde-reborn-...

Tweets

Active Record Validations:

academy.hsoub.com 06 Jan '18, 11am

'Need a name starting with X please!'

querier (0.0.4): Active Record queries with var...

rubygems.org 07 Jan '18, 10pm

RubyGems.org is the Ruby community’s gem hosting service. Instantly publish your gems and then install them . Use the API ...

Antenna Technologies for the Future

Antenna Technologies for the Future

microwavejournal.com 12 Jan '18, 5am

Home » Antenna Technologies for the Future Looking to read the full article? Register today! Aerospace and Defense Channel...