GPSL 2019 is June 13,14,15 in Pella, IA. It is time to start developing a presentation you would like to share with the group. There has been a lot of ballooning activity over the past year and I am e

Hi, Three years ago I was googling about high altitude balloons and I ended up with pico (floater) balloon projects. I was really impressed with some amateur radio operators efforts to circumnavigate

Hi I'm working with a group at the University of Saskatchewan who want to start flying balloons as part of one of their grad student programs. One of the items on their to-do list is to build up a ded

I'm testing a TrackSoar APRS tracker before near space season begins in earnest. If you haven't seen one of these, it's a small board with GPS, GPS antenna, transmitter, Arduino, and two meter antenna

I'm looking for some ideas on troubleshooting some lock problems on a new board/capsule/camera design. The board has worked well during testing up until I started integration testing with the actual c

GPSL 2019 registration is now open and available. Please go to “superlaunch.org” for details on hotels, registration fees, and group dinners. Hope to see you all in Pella, IA on June 13, 14 and 15 !!!

https://www.energy.gov/oe/articles/april-2019-global-positioning-system-gps-week-number-rollover

A couple of things come to mind. The most important choice is the input freq as, not long after you launch, you'll be receiving any/all transmissions within hundreds of miles with no easy way to conta

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 rang

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 A

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 light coming o

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

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 like and was amazed,

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 AP

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 th