1 m Pole Extension (Seco) Aluminum pole Extension 25 cm (Seco) Base Pole Extension for SP60/80 GNSS Receivers (Spectra Precision) 1 m Pole Extension (Seco) Aluminum pole Extension 25 cm (Seco) Base Pole Extension for SP60/80 GNSS Receivers (Spectra Precision) 1 m Pole Extension (Seco) Aluminum pole Extension 25 cm (Seco) Base Pole Extension for SP60/80 GNSS Receivers (Spectra Precision)
