Random triples
| Subject | Object |
|---|---|
| gptkb:Space_elevator | about 35,786 km |
| gptkb:Tethered_Satellite_System_(TSS-1) | 20 km |
| gptkb:Tethered_Satellite_System_(TSS-1R) | 20.7 km |
| gptkb:STS-75 | 20.7 km |
| gptkb:Tethered_Satellite_System_experiment_failure | 20.7 kilometers |
| gptkb:Makani_M600_energy_kite | up to 1400 feet |