[MRCA] Radiosondes

[Al Klase]

Fascinating!

73.
AL

On 05/10/2026 7:28 PM, Tim via MRCA wrote:
> Speaking of Sondes....Here's a link to current radiosonde weather 
> balloon ops worldwide.  They are at-altitude at 0000Z and 1200Z 
> daily.  They actually launch about 45-60 minutes before that.  Major 
> airports are the usual launch sites.
> The ones out west here are RS41's that operate at 404 MHz, around 60 
> mw and I can receive the basic telemetry from a LONG distance away. 
> Click on your local balloon and it shows all the data including its 
> GPS coord's, current altitude, temp etc.
> Plot shows the track and predicted future track.  They usually get up 
> to around 100,000' AMSL, often higher before they burst.  Then a long 
> ride down on a parachute.  (fun fact:  from 105,000' the parachute has 
> NO initial effect on the fall rate...very little air up there... LOL)
> Enjoy! https://sondehub.org/
> Tim
> N6CC
>
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-- 
ARK Sig Block Al Klase - N3FRQ
Jersey City, NJ
http://www.skywaves.ar88.net/
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