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FYI, I updated altimeter comparison guide (added several new altimeters, removed altimeters that are no longer available, updated prices, etc). Am I missing new altimeters? Let me know! -Alex

You get what you pay for :) 1) It does not support APRS (no TNC / decoder) 2) If you care about voltages, it has headphone output jack, but not line out / TNC. 3) Even for RDF, it has a questionable S-meter (maybe newer models got better) It is a neat backup unit - but for primary unit I'd...

You can get Yaesu VX-8DR from hamradio.com (link) for $339 - which is a pretty good price. Receives two frequencies at the same time, and APRS is a breeze to use. After fiddling with cheap radios, PocketPacket, APRSdroid, I switched to 8DR this year... looking back, I should have done it from...

Mike - great shots! Here are a few pics from Friday that I took: Link to album: https://www.rocketryforum.com/album.php?albumid=674

This is unbelievably sad and comes as shock... Bill was the biggest rocketry enthusiast I've ever met, and he was always there with advise, help, and favor. He was at every CMASS launch with positive energy and a smile. He brought joy and passion of rocketry to many people, and this terrible...

Michael, Many rocket altimeters have more features than an average rocketeer needs, especially the ones from premium class. I will add better descriptions, but the best way to learn about features is to click on "datasheet" link and read altimeter manual. Telemetry output is ability of...

Thank you John!! I updated the list. If I missed anything, please PM and I'll make it right. Mobile and social media are definitely getting traction with altimeters. I'll think how to add it... Do we have onboard camera that posts its video on youtube, even if it's stuck in a tree? :-)

FYI Pololu makes 10-degrees of freedom module with accelerometer, gyro, magnetometer and baro sensors. Good for 24g and 40kft. https://www.pololu.com/product/2470 It is also supported by RTIMUlib from richards-tech, so it can be used out of the box without writing much code. Fun stuff.