I don't have a data plan on my smart phone.

I'm looking at InReach...

On 5/7/2017 10:23 AM, Soartech wrote:
Why use SPOT with 10 minute updates when you can use a free service that uses your smart phone and has 1 second updates, including altitude?
For sailplane contests there is a 149 Euro charge for the entire contest if more than 3 days long.
Check it out at https://airtribune.com/articles/sailplane

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Dan, 5J