RTK Base Extension Mini Pole (25cm)

KSh 10,000.00

The 25cm RTK Base Extension Mini Pole is a precision-engineered 5/8″ x 11 threaded extension rod designed for GNSS base station setups. Built from high-grade anodized aluminum, it adds exactly 25cm of vertical height to your antenna, providing essential clearance for data cables and reducing multipath interference. Compact, lightweight, and incredibly rigid, it is compatible with all major RTK brands, including Trimble, Leica, Topcon, and CHCNAV.

Field Applications:
  • RTK Base Stations: Standard setup for elevating base antennas on tripods.
  • Static Surveys: Used in long-duration sessions to ensure stable antenna placement.
  • UAV Ground Control: Ideal for setting up GNSS reference points for drone mapping.
  • Vehicle Mounts: Can be used as a riser for roof-mounted GNSS receivers. 

🛰️ Pro Tip: Always remember to add the 25cm offset to your total antenna height measurement in your data collector software to ensure accurate Z-axis (elevation) data.

Description

Technically, the RTK Base Extension Mini Pole (25cm) is engineered for precision, durability, and professional field performance. It’s designed for surveyors, engineers, and construction experts who demand accuracy and reliability in every measurement. Notwithstanding, it’s also built with high-grade materials to withstand tough outdoor conditions while maintaining consistent performance over time.

To enumerate, the 25cm RTK Base Extension Mini Pole is a precision-engineered 5/8″ x 11 threaded extension rod designed for GNSS base station setups. Built from high-grade anodized aluminum, it adds exactly 25cm of vertical height to your antenna, providing essential clearance for data cables and reducing multipath interference. Compact, lightweight, and incredibly rigid, it is compatible with all major RTK brands, including Trimble, Leica, Topcon, and CHCNAV.

On that note, the RTK Base Extension Mini Pole is a critical accessory for GNSS surveyors who need to elevate their base station antenna above the tripod head or leveling base. This short extension provides the necessary clearance for cables and improves signal reception by reducing interference from nearby mounting hardware.

Elevate Your GNSS Performance

In precision RTK surveying, antenna height and placement are paramount. The 25cm Mini Extension Pole serves as a vital bridge between your tripod tribrach and the GNSS antenna. By raising the receiver 25cm, you create a dedicated space for cable connections (TNC/BNC) that otherwise might be crimped or stressed against the tripod head.

Universal Threading & Professional Build

Constructed from aircraft-grade aluminum alloy, this extension rod is built to withstand the rigors of long-term field deployment. It features industry-standard 5/8″ x 11 male threads on top and 5/8″ x 11 female threads at the base, making it a “plug-and-play” solution for nearly every surveying instrument on the market. The anodized finish protects against corrosion and UV wear, ensuring the threads remain smooth for years of use.

Key Features:
  • Precision Height: Adds exactly 25cm (0.82 ft) to your setup, simplifying height calculations.
  • Cable Clearance: Elevates the antenna to allow easy access to bottom-mounted communication and power ports.
  • Multipath Reduction: Moves the antenna phase center away from reflective metal tripod surfaces.
  • Ultra-Rigid Design: Thick-walled tubing prevents swaying or vibration, maintaining millimeter accuracy.
  • Lightweight Portability: At only 25cm, it fits easily into any standard instrument case or field bag. 


Technical Specifications

Feature  Specification
Material Anodized Aluminum Alloy
Total Length 25 cm (approx. 10 inches)
Thread Type 5/8″ x 11 (Male Top / Female Bottom)
Outside Diameter 25 mm – 32 mm
Weight ~0.3 kg (0.66 lbs)
Color Black, Silver, or Yellow (Specify at checkout)


What’s in the Box?
    • 1x 25 cm RTK Base Extension Mini Pole

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