HEDI Station Page

• Coordinates: -30.13891, -68.54347, 3400 ft
• Start Date: Installed by Dean Childs, Patricia Alvarado et al. on 12/02/2000
• End Date: Pulled out by Susan Beck, Patricia Alvarado, Lara Wagner et al. on 05/08/2002.
• Instrumentation: sensor: t3183 (CMG3 ESP), DAS: 1053
• Directions: The site is located at an abandoned hotel named Hosteria Agua Hedionda, on the northern line, near Huaco, Argentina - it is just past a police checkpoint. It is well known to the locals. From San Jose de Jachal head east towards Huaco. Road will run past a small resevoir to the north then through a small canyon below the dam. The road will summit then drop back down to the river. When you cross the 1st bridge take an immediate left on dirt road which follows upriver less than one half km to a stone masoned hotel which has never been used. There are 3 caretakers who rotate in shifts of 1 week. There we met Carlos Avila. Hotel was built and is owned by government talk to Patricia for the details.
• Miscellaneous: The caretaker who lives on the premises is named Don Castro. The instrumentation is installed in a caged vault in the back of the hotel. We tarped up the cage for thermal insulation and used barrels and styrofoam around the equipment. Sensor is deployed directly on the prebuilt concrete floor. Solar panels and clock were presumably deployed on roof of cage. The sky here is quite small because of the site location in a steeply walled valley and the proliferation of trees. This site is probably most susceptible to power and/or GPS problems. Furthermore, there is the possibility of cultural noise from picnickers, we found much trash near the cage site.
  Watch out for Tarantulas! The road dead ends at the station in the small canyon occupied by the stream which is approximately 100 m from the station. Barrels which house all the equipment are above ground located on the concrete slab intended for the propane tank. The area is enclosed by a cyclone fence type gate which has been lined with black plastic to reduce the daily temperature fluctuations and to prevent equipment visibility from the outside. Panels are currently located horizontally on the top of the enclosure tied down with wire to wooden poles which are anchored with large rocks. Panels have hail protectors with a fine bug screen size wire mesh. This will be a test to see if the wire mesh will be a problem for charging the batteries. GPS is located between the panels wrapped in black plastic and also tied down with wire. Small tree located on the north side of the enclosure. Sensor oriented to magnetic north. All cables housed in 63 mm PVC.

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