Aligning a Small Offset Dish for VSAT with SatPointer

A VSAT terminal on a compact offset dish is a practical way to bring reliable two-way satellite connectivity to Australian sites beyond the reach of fibre. Mining camps in the Pilbara, cattle stations in western Queensland, and coastal businesses in Tasmania all depend on private satellite links for voice, SCADA telemetry, and crew welfare Wi-Fi. Even a fraction of a degree off-axis on a 75 cm or 98 cm reflector can knock several decibels off the link budget, so getting the pointing right matters. Learn more about Network.

SatPointer removes the trigonometry from the job. Combining Google Maps imagery with current orbital elements and your chosen installation address, it produces the azimuth, elevation, and LNB skew needed to lock onto a geostationary satellite within minutes. For installers working across remote time zones, from Kununurra to Mildura, that means fewer truck rolls and faster commissioning. Learn more about Satpointer Widget.

This walkthrough focuses on the small offset dish class — typically 55 cm to 98 cm elliptical reflectors — used for Ku-band VSAT terminals feeding hubs in Australia and the Pacific. It assumes a compatible modem and a clear sky view, and walks through every SatPointer step from map pin to final cross-polarization check.

Preparing the Site and Equipment Down Under

Before opening the app, walk the rooftop or compound and confirm the horizon is clear toward the geostationary belt. In much of Australia, the target satellite sits low on the northern horizon for equatorial slots, or to the northeast or northwest depending on the beam. A tree in the Hills District of Sydney, a grain silo on the Yorke Peninsula, or a wind pump on a Barkly Tableland station can each hide a useful arc.

Note the local magnetic declination, since most handheld compasses sold in Australian hardware stores still point to magnetic north. The on-site compass reading needs to be adjusted by the local declination value, which can exceed 12 degrees in parts of Western Australia and Tasmania. Have the dish, mount, feed horn, and a signal meter or the modem's alignment page ready. For a 75 cm Ku-band VSAT, that means an offset reflector, an integrated LNB with feed arm, a pole or wall mount rated for the local wind region, and coax with compression connectors suited to local UV and salt-spray conditions.

Pinning the Installation Location on the Map

Open SatPointer in a browser and zoom to the property. Search by suburb, drop the pin manually, or paste a phone GPS coordinate from a site visit. For Australian addresses, the Google Maps layer resolves postcodes accurately even in remote localities such as Bourke or Tom Price, which makes handover between office and field staff straightforward. Confirm the pin sits on the actual mounting point — the centre of a concrete pad, the parapet of a comms shelter, or a balcony slab in suburban Brisbane. A pin placed a few metres off will not shift the bearing much at higher elevations, but along the southern horizon, where geostationary arcs graze low, even a small offset can move the calculated azimuth noticeably. Drag the pin with the mouse or tap on touch devices, and the coordinates update live.

It is worth saving the pinned location in the browser or bookmarking the page URL. Field technicians often return to the same site weeks later for upgrades, and a bookmarked SatPointer view gives them the same starting point without retyping the address. If the customer later moves the dish to a new building on the