Random triples
| Subject | Object |
|---|---|
| gptkb:Green_Bank_Interferometer | up to 2.4 km |
| gptkb:Magdalena_Ridge_Observatory_Interferometer | up to 340 meters |
| gptkb:VLBI_(Very_Long_Baseline_Interferometry) | thousands of kilometers |
| gptkb:Navy_Precision_Optical_Interferometer | up to 437 meters |
| gptkb:Very_Long_Baseline_Interferometry_(VLBI)_array | thousands of kilometers |