Hutchinson, Kansas
Great Plains
Super Launch
The premier High Altitude Ballooning Experience
June 2025
June 12-14, 2025 in Hutchinson, KS
About the Event
Welcome to the Great Plains Super Launch website, your go-to source for information about the premier high altitude ballooning event in North America. For over two decades, the GPSL has been bringing together the brightest and most innovative amateur balloonists from the US and abroad.
Started in 2001 by Paul Verhage, the GPSL has grown into an annual event that attracts enthusiasts from around the midwest, and beyond. In 2025, the GPSL will be sponsored by Project: Traveler in Hutchinson, KS.
2025 Symposium Venue
The 2025 GPSL Symposium and Exhibition is proud to announce its sponsorship by Project: Traveler, a long-time high altitude balloon organization in central Kansas.
The symposium will take place at Hutchinson Community College in Hutchinson, Kansas. This venue will provide a convenient location for discussions and presentations.
Participants will have the opportunity to explore the latest advancements in High Altitude Ballooning (HAB) technology through symposium sessions and will also enjoy networking events.
Dates
On Thursday, June 12th, we are excited to invite you to join us for a pre-conference tour at the Atlas Ad Astra Missile Silo near Wilson, KS.
Mark your calendars for the Symposium, which will take place on Friday, June 13th. It promises to be a day filled with captivating presentations and insightful discussions that will leave you inspired.
To round out the weekend, we will have a mass balloon launch on Saturday, June 14th. This will be an opportunity to witness a science in the making.
We look forward to welcoming you to our Symposium in Hutchinson, KS. Join us for an enriching pre-conference tour, a day of engaging discussions, and a mesmerizing balloon launch. It's an event you won't want to miss!
Pre-Conference Tour
If you are interested in attending the Pre-Conference tour at the Ad Astra Atlas Missile Silo, be sure to pre-register at Ad Astra's website. The group will be attending the 2:30 tour on Thursday, June 12th. Availability is limited, so sign up soon!
Chase Frequencies
Hutchinson Repeater:
147.12MHz+ TX PL Tones 103.5
UHF Simplex:
446.000, 446,100, 446.200
Current GPSL Discussions
GPSL Groups.io
Great Plains Super Launch
An Amateur Radio High-Altitude Ballooning mailing list, originally established to discuss the Great Plains Super Launch (GPSL) but since has been used for general discussion of ARHAB topics. See https://superlaunch.org for the GPSL website.Groups.io is the official email reflector of the Great Plains Super Launch group. The GPSL group is generally used for all things balloon related.
Stay up-to-date by joining Groups.io/g/GPSL/ today.