We have flown simplex repeaters before (record and rebroadcast). At first we used 446.00, figuring people would be pleasantly surprised by having a long-distance balloon contact. Not so much. We

Hey Gang, I'm intending to fly a cross-band repeater with a HAB in April.  It occurs to me that I don't have a good idea of how to select frequencies.  Should I be using one from the repeater input

If any of you who will be attending the Dayton Hamvention this year would like to give a 25 minute talk at the BalloonSat Forum (Friday of the HAmvention), please contact me. - Bill WB8ELK WB8ELK at

Article on why balloons explode the way they do. https://spaceweatherarchive.com/2019/02/21/physics-of-an-exploding-cosmic-ray-balloon/

Hi guys! I’ve been out of the loop for a while … I hope someone notices… LOL I’m trying to set up a TinyTrack3Plus with a Baofeng UV-3R but I’m not having much success.I can see the red

Like it.

Maybe change it to "Keeping your head above the clouds since 1987". -Bill WB8ELK

I came up with a new ARHAB bumper sticker idea during dinner at Blaze Pizza.

Bill, Thank you for the write up. Enthralling read! Steve AE8AT

Thanks for writing this. I feel that many of the "new space" people are more caught up with cool than needed. Jayant

As often is the case, the pioneers in technology are too far in advance of demand. All I see here is a small rocket launched from a not-very-high hot air balloon. I do wish them success and hopefully

https://www.purdue.edu/newsroom/releases/2019/Q1/successful-launch-of-rocket-from-high-altitude-balloon-makes-space-more-accessible-to-microsatellites.html Zack

With the super cold temps we have had here the past two days It was 30 below this morning. 60+ below wind chill. But anyway the 30 below got me to wonder what the temps aloft were

Hi Zach, Thanks for posting, i had been planning on using some time this winter to get together some videos on past flights. I didn't konw of Konverter, but i'll give the tool a try, it should help

I'm not sure if anyone is using my KML Konverter tool, but I recently updated it to include telemetry data in the spreadsheet output file. Any arbitrary data sets within the comments section of the

https://www.youtube.com/watch?v=m56XhGC9ipg 73 de Mark N9XTN

I'm looking for someone near Houston that can launch a weather balloon for a student. Thanks

https://www.technologyreview.com/s/612417/darpa-is-testing-stratospheric-balloons-that-ride-the-wind-so-they-never-have-to-come-down/

I am going to start putting repeaters into my new Yaesu FT2D. I have a few questions: 1. How do you select the repeaters to use for your launches? 2. How do you decide on the frequencies to use for

For anyone interested in my stargazing newsletter, I just posted December's. It's at, https://stargazingalmanac.substack.com/