Permanent Land Sites
2021-11-17 14:09:20.0 [tstevens] Move Concepts delete broader relation (null); add broader relation (PASSCAL [c0872e6c-ddab-43b9-a892-1b8c5ba23f4e,826702] - Permanent Land Sites [0ec10fd9-492c-498a-b6d8-e2840cc3643b,835887]);
2022-02-08 13:05:59.0 [tstevens] update Definition (Program for Array Seismic Studies of the Continental Lithosphere (PASSCAL) is one of two major instrumentation programs of IRIS (the other being the Global Seismic Network or GSN). PASSCAL operates a pool of over 400 portable seismic instruments to record active source reflection data, active source refraction data or natural source recordings of earthquakes. The instrumentation is housed and supported by an instrument center at New Mexico Tech, Socorro, New Mexico. PASSCAL Instruments and support are available to the academic research community according to the rules and policies set by the); update Definition (IRIS);
2022-02-11 09:07:50.0 [tstevens] update Definition (Program for Array Seismic Studies of the Continental Lithosphere (PASSCAL) is one of two major instrumentation programs of IRIS (the other being the Global Seismic Network or GSN). PASSCAL operates a pool of over 400 portable seismic instruments to record active source reflection data, active source refraction data or natural source recordings of earthquakes. The instrumentation is housed and supported by an instrument center at New Mexico Tech, Socorro, New Mexico.);
Program for Array Seismic Studies of the Continental Lithosphere (PASSCAL) is one of two major instrumentation programs of IRIS (the other being the Global Seismic Network or GSN). PASSCAL operates a pool of over 400 portable seismic instruments to record active source reflection data, active source refraction data or natural source recordings of earthquakes. The instrumentation is housed and supported by an instrument center at New Mexico Tech, Socorro, New Mexico.
PASSCAL