The vendor is required to provide that global navigation satellite systems (GNSS) capable Trimble alloy receivers and Trimble zephyr 3 geodetic antenna units are needed to accurately survey the latitudinal and longitudinal coordinates as well as elevation of groundwater monitoring wells that have stick ups above the land surface datum.
- Trimble alloy and Trimble zephyr 3 geodetic antenna Kit must:
• Include Trimble alloy receiver
• Include Trimble zephyr 3 geodetic Antenna
• be enabled with Trimble alloy upgrade - enable Galileo
• Be enabled with Trimble alloy upgrade - enable Beidou
• Include cable - GPS 30m lmr-400 TNC right angle
• Include 2.4 GHZ WIFI stick antenna
• Include one (1) li-ion smart battery
• Include power supply
• Include power cord kit
• Include power cord, 6 ft
• Include power cable - 1.5m, db9(f) y to 0s/7p/m to power jack
• Include db9 data cable - 1.8m, db9/m-db9/f, data
• Include cable - 2m ethernet 10base-t cat5
• Include cable USB mini-b plug host to a jack
• Include cable USB mini-b plug to a plug
• Include tripod clip EM or TM 3 tripod
• Include tripod clip screws
- Trimble alloy receiver must include
• On board memory up to 24 GB
• 100 Hz maximum data logging rate
• 1 minute to continuous file durations
• 12 concurrent independent storage sessions with dedicated memory pooling
• T02, t04, BINEX, RINEX v2.x/3.0x, google earth KML or KMZ file formats
• Multiple file naming conventions
• Http, ftp server, and USB data retrieval and transfer
• -40 °c to +65 °c (-40 °f to +149 °f) operating temperature
• -40 °c to +80 °c (-40 °f to +176 °f) storage temperature
• 4-line x 32-character reversible OLED display
• 7 button configurations
• adjustable led backlighting
• 5 v dc nominal output voltage
• 150 ma maximum output current
• Trimble zephyr 3 geodetic recommended antenna
• GPS: l1c, l1 c/a, l2e (l2p), l2c, l5 GPS satellite tracking
• GLONASS l1 c/a and unencrypted p code, l2 c/a and unencrypted p code, l3 CDMA satellite tracking
• GALILEO e1, e5a, e5b and e5altboc, e6 satellite tracking
• Beidou b1, b2, b3, b1c, b2a, b2b satellite tracking
• 3 mm horizontal and 3.5 mm high-accuracy static GNSS positioning performance
• 3 mm horizonal and 5 mm static and fast static GNSS positioning performance
- Trimble zephyr 3 geodetic antennae must include
• 0 Degree minimum tracking elevation
• <3 degrees practical tracking elevation
• l1/l2/l5/g1/g2/g3/e5ab/e6/b1/b2/b3 supported positioning signal bands
• 2 mm or better phase-center accuracy
• < 1 mm phase center repeatability
• 2 mm minimum phase-center eccentricity
• Advanced second-generation filtering to reduce interference by near band transmitters
• LHCP rejection and resistive ground plane multipath mitigation technologies
• Trimble stealth resistive ground plane design
• 3.5 v dc to 20 v dc supply voltage
• 125 MA supply current
• 100% humidity proof
• –55 ˚c to +85 ˚c (–67 ˚f to 185 ˚f) operating temperature rating
• –55 ˚c to +85 ˚c (–67 ˚f to 185 ˚f) storage temperature rating
• 5/8”–11 female mounting thread
• 1.36 kg (3 LB) weight.
- Contract Period/Term: 12 Month
- Questions/Inquires Deadline: March 14, 2025