Radio Ethernet network, telemetry, seismological research, Internet. 802.11b/g 2.4 GHz Band.

EXAP-GMF "KARAT"-dual repeater, intended to establish communication on distance of 48 and 57 km has been mounted on the outdoor thunderstorm/seismological detector laboratory, belonging to Cosmostation FIAN Russia. Tien-Shan Mountains, 3500 m above the sea level. Pictured report.

Before we mount an equipment, we need to find an optimal place for our antennas. We used 6AH lead acid battery for EXAP-GMF and small notebook.

The future of the baby-boy who peacefully sleeps on a snow is determinated. He decided to be an alpine radio engineer, as his dad. Definitely.

Mast mounting process.

Mounting of transceivers, antennas, and setting of operational system. Antennae alignment

Real parameters we have obtained:

47 km - 18 Mbps, 57km - 16 Mbps, in conditions of multipath/multipolarized signal reception

This page was written by Andrey Kunakov, radio engineer.