UBSEDS22
The UBSEDS22 balloon was built from 50 micron thick PA-EVOH-PE multilayer film and was 1.9 meters in diameter. This size means the longest axis of the balloon and payload combined is more than 2 meters, and so a NOTAM was required and obtained for the launch.
The primary payload is a Iridium Beacon built by Paul Clark from Durham University. There’s more details about this on his github and in this hackaday article.
The secondary payload is a UBSEDS tracker that uses solar power only, and hence only operates during daylight.
| Mass | |
| Iridium Beacon | 76g |
| UBSEDS Tracker | 15g |
| Free Lift | 19g |
| Total Lift | 110g |
The balloon achieved a stable altitude of 12.5 km 3.5 hours into the flight. Given the total payload weight of 91 grams, we believe this is the heaviest amatuer superpressure float to date!
Iridium Beacon
There’s a write-up about the operation of this Beacon on Paul’s github. The becaon ceased operation after 7 days of flight.
Transmissions
The balloon transmits approximately once every two minutes.
UHF 434.6MHz
It uses the error-correcting Contestia 16/1000 mode on 434.637.5MHz USB.
Some countries do not allow UHF ISM band operation. Therefore UHF is only transmitted outside the red lines on the geofence below.
APRS M0SBU-2 / AD6AM-2
For many countries the balloon transmits APRS packets on local frequencies. In particular this is 144.8MHz in Europe, 144.66MHz in Japan and 144.39MHz in North America.
Some countries do not allow aeronautical mobile operation, which limits the balloon from using the amateur bands. Therefore APRS is only transmitted outside the red lines on the geofence below.
Map
Statistics
- Total distance traveled:
89104.7km - Great circle distance:
2154.7km - Flight duration:
69 days, 13 hours - Maximum altitude:
12.7km - Countries passed through:
Plots
Resources
Listeners
Thank you to all listeners who tracked this flight!
Total: 190
| Callsign | Telemetry Lines Received | Longest Path |
| PIGEON | 379 | |
| VA7WS-1 | 312 | |
| BACKLOG | 311 | |
| VE6NH | 239 | |
| SK0BJ-10 | 126 | |
| MILLET | 124 | |
| KNAPPA | 121 | |
| K9VD | 102 | |
| WA7DRE | 96 | |
| OH2FQV
|
88 | 368.9km |
| WINTHP | 83 | |
| KL3MM | 75 | |
| F5PHW-3 | 73 | |
| DEV88
|
67 | 203.7km |
| VE6RFM-1 | 66 | |
| VE6HFD | 62 | |
| W7MB-10 | 58 | |
| VE5HFR | 56 | |
| OH6UW
|
51 | 148.2km |
| WEBER | 51 | |
| SA4BKJ-1 | 46 | |
| VA6GA-10 | 42 | |
| OH3LWP
|
42 | 437.8km |
| LAMONT | 41 | |
| ES8TJM
|
41 | 93.6km |
| F4GKQ-3 | 39 | |
| LD9AS | 38 | |
| LA5FSA | 38 | |
| G8FJG_v
|
36 | 383.6km |
| MAZAMA | 35 | |
| VE6EN-1 | 35 | |
| G8FJG_v1
|
35 | 383.6km |
| VE2MYC | 34 | |
| N7GWT | 32 | |
| VE7OGO-1 | 31 | |
| CALGRY | 31 | |
| KITTAS | 31 | |
| KA7O-15 | 30 | |
| KC5EZZ-11 | 30 | |
| SEDRO | 30 | |
| 0x17
|
29 | 185.9km |
| LD9TF | 29 | |
| LA2MLA | 28 | |
| EA5AHQ-10 | 28 | |
| VA6KRM-10 | 28 | |
| SK0SX-2 | 27 | |
| WB7GR-10 | 27 | |
| KD5YCY-5 | 26 | |
| VE7QMR-2 | 26 | |
| EB1TK-5 | 25 | |
| LA9UI-2 | 24 | |
| W7EEE | 24 | |
| VA7HYD-1 | 23 | |
| SUNLGT | 22 | |
| NW7RG-10 | 21 | |
| WA6KHG | 20 | |
| LD2GI | 19 | |
| KE5WVC-2 | 19 | |
| OH3DP
|
18 | 334.1km |
| LA3LJA-10 | 18 | |
| SK2HG-10 | 18 | |
| LA7VRA-3 | 17 | |
| LD3HV | 17 | |
| LA1HSA-2 | 17 | |
| F5LRQ-3 | 17 | |
| OH8MBN | 15 | 101.3km |
| VE7PKE | 15 | |
| EUGENE | 15 | |
| W3ISZ-1 | 15 | |
| WA0MFZ-5 | 15 | |
| sa6bss
|
15 | 390.2km |
| GW8VFQ-1 | 14 | |
| KB7STN-3 | 14 | |
| SM3ULC | 13 | 42.7km |
| W0MUD-1 | 13 | |
| WB5TZJ | 13 | |
| AE6BL-9 | 13 | |
| K6MAR-10 | 12 | |
| G1BLO
|
12 | 168.0km |
| ES2MA-2 | 12 | |
| K7KCA-1 | 12 | |
| LD2GB | 11 | |
| OH6CT
|
11 | 70.0km |
| WB7QAZ-10 | 10 | |
| SM5HUA-1 | 10 | |
| W5UOK-10 | 10 | |
| OH3W
|
9 | 301.3km |
| W7BOZ | 9 | |
| ED2ZAD-5 | 9 | |
| SM1NVP-10 | 9 | |
| ABAJO | 9 | |
| G0MAS | 8 | |
| LA5A | 8 | |
| K6TZ-9 | 8 | |
| W7GC-3 | 8 | |
| WA5LNL | 8 | |
| KR6ZY-15 | 7 | |
| OH9FNQ-9 | 7 | |
| WD5DDH-1 | 7 | |
| LA1PKA-10 | 7 | |
| F5RJM-10 | 7 | |
| VA6TEC-10 | 7 | |
| LA1KTA | 7 | |
| VE6XVK-1 | 6 | |
| es8tjm
|
6 | 119.5km |
| NA7Q-2 | 6 | |
| K5UTD | 6 | |
| LA2IKA-10 | 6 | |
| LA6LOA | 6 | |
| OH1KH-2 | 6 | |
| K6TJS | 6 | |
| VE6CWS | 5 | |
| K7NVH-1 | 5 | |
| AF5WO-10 | 5 | |
| W5HKR | 5 | |
| VE7RLE | 5 | |
| LA5VM-2 | 4 | |
| SK7CA-1 | 4 | |
| EA5URV-10 | 4 | |
| EB7GYR-1 | 4 | |
| W6TZI-1 | 4 | |
| W7QQA-2 | 4 | |
| SM2UHF-9 | 3 | |
| YL2RMK-1 | 3 | |
| JDL
|
3 | 197.8km |
| LA3XTA | 3 | |
| W7IG | 3 | |
| W5SI-2 | 3 | |
| VA2CMQ-3 | 3 | |
| ED1YAP-3 | 3 | |
| VE7RCK-10 | 3 | |
| NG6B-2 | 3 | |
| N5QHO-1 | 3 | |
| N7OKG-1 | 2 | |
| SM5OEM-1 | 2 | |
| K6BJ-3 | 2 | |
| WB9VXY | 2 | |
| AF7DX-1 | 2 | |
| EA5GPC-11 | 2 | |
| VE6HFD-3 | 2 | |
| LB8CC-10 | 2 | |
| AA6I-1 | 2 | |
| VA7ZAT-2 | 2 | |
| N7NIX-1 | 2 | |
| F6DZR-3 | 2 | |
| KF7VOP | 2 | |
| VE7MKF-1 | 2 | |
| G6SQX | 2 | |
| F4BEA-4 | 2 | |
| F5ZIX-4 | 1 | |
| ELKO | 1 | |
| SK0SX-1 | 1 | |
| KE5SXT-10 | 1 | |
| VA7OGO-13 | 1 | |
| W7KKE | 1 | |
| N7ER-10 | 1 | |
| N7SET | 1 | |
| NG7W | 1 | |
| WA7NWP-6 | 1 | |
| VE7ILM-10 | 1 | |
| N7TNG-1 | 1 | |
| W6IA | 1 | |
| SK2GJ | 1 | |
| N7YET | 1 | |
| MB7UST | 1 | |
| NN5DX-9 | 1 | |
| KK7JX-10 | 1 | |
| OH3MN | 1 | |
| VE6RBN-1 | 1 | |
| OH5GDN | 1 | |
| WD4KAV | 1 | |
| OH6HFX | 1 | |
| KK5AN-10 | 1 | |
| F4FAP | 1 | |
| OH3UW | 1 | |
| W1IQS | 1 | |
| OH5AA | 1 | |
| WA7VC-10 | 1 | |
| KF7DRV-3 | 1 | |
| N5PSP-2 | 1 | |
| VA6KRK-10 | 1 | |
| K6CPP | 1 | |
| ED1ZAR-3 | 1 | |
| SM3XIK-1 | 1 | |
| W6BHZ-5 | 1 | |
| KD7GIZ-10 | 1 | |
| KA6IYS | 1 | |
| KB7UVC | 1 | |
| AL7BX | 1 | |
| W5EVH-11 | 1 |
