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Polar Services - Remote Station Engineering - Monuments
MONUMENTATION USED BY UNAVCO IN POLAR APPLICATIONS
MONUMENTATION
| Component |
Photo |
Manufacturer |
Part Number |
Description |
Weight (lb) |
Cube (ft^3) |
Why? |
| Permanent GPS Mast |
 |
Tech2000 |
DC-1M-F |
Available in custom heights, including 2-meter design for deep snow or populated areas.
Installation instructions and supplier information. |
1-meter mast: 17 |
1-meter mast: 2
(40"x9"x9") |
Lightweight, strong, and easy to install with four expansion bolts, drill and custom jig. Can installed by one person in under 1 hour.
Used by the TAMDEF project in Antarctica, the POLENET project in Greenland and Antarctica, and other
remote CGPS sites including Mauna Loa, Hawaii. |
| GPS Antenna |
 |
Trimble |
29659-00 |
Dorne-Margolin Choke Ring w/o radome. This is one of several permanent station GPS antennas used by
UNAVCO in polar applications.
EXACT ANTENNA MODEL IS PROJECT-SPECIFIC. |
10 |
0.5
(∅ 16"x6") |
Well-characterized global standard antenna for geodetic measurements. Used in Earthscope PBO Network.
Deployed in Greenland and Antarctica for the POLENET project in 2007-08. |
| GPS Antenna Radome |
 |
Southern California Earthquake Center |
|
SCIGN radome for Trimble Choke Ring. Short or tall sizes. Available for different antennas.
Radome and supplier information.
USE OF RADOME AND EXACT RADOME MODEL IS PROJECT-SPECIFIC. |
short model:
5 |
short model:
2
(∅ 17"x10") |
Legacy radome used in SCIGN, Earthscope PBO, and TAMDEF networks. Deployed in Greenland and Antarctica
for the POLENET project in 2007-08 (short model). |
INSTALLATION HARDWARE
| Component |
Photo |
Manufacturer |
Part Number |
Description |
Weight (lb) |
Cube (ft^3) |
Why? |
| Monument Drill Jig |
 |
Tech2000 |
|
Single drill jig used for all Tech2000 masts up to 2 meters.
Installation instructions and supplier information. |
25 |
2
(24"x24"x6") |
Allows accurate hole drilling for rapid installation of secure and level antenna masts. |
| Rock Hammer Drill |
 |
Hilti |
TE 6-A |
TE 6-A Contractor Kit, 36V rotary hammer drill with SDS+ chuck, side handle, two BP 6-86 NiCad batteries, TCU 7/36 charger,
impact-resistant case. Also use BAP battery pack adapter, custom-modified to use 36V battery (3x12V series
SLA batteries). Use HY500 epoxy (330 mL cartridges) with MD2000 manual epoxy dispenser. Use carbide rock bits,
e.g. McMaster-Carr 8948A78. |
35 |
1.5
(24"x16"x6") |
Powerful, robust, and relatively lightweight. |
| External GPS Antenna Cable |
 |
RPC Manufacturing Solutions |
PPS-RF-006 revA (unsheathed)
PPS-RF-007 revA (sheathed) |
Custom length Times Microwave LMR-400 cable assembly
with Type N male crimp-on connectors. Right-angle connector used at GPS antenna, straight connector
used at enclosure. Typical lengths are 100 ft. or 50 ft. Can also be sheathed in flexible conduit
(e.g. McMaster-Carr 7581K42) for protection from wildlife (Arctic applications). |
100 ft.: 5 100 ft. sheathed: 15 |
100 ft.: 0.5 100 ft. sheathed: 1 |
Low-loss antenna cable, tested flexible to -40C. |
| Internal GPS Antenna Cable |
 |
RPC Manufacturing Solutions |
PPS-RF-005 revA |
4 ft. cable assembly with Type N male crimp-on connectors. Connects GPS receiver
to bulkhead RF connector on enclosure wall. Cable is Times Microwave LMR-200 or Belden RG58. |
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| GPS Bulkhead Connector |
 |
Pasternack |
PE9128 |
N-N thru bulkhead connector with O-ring seal and female contacts is pass-thru for comms antenna cable on enclosure wall. |
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Last modified Thursday, 01-May-2008 21:27:13 UTC
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