Installing a Satellite Dish from Scratch: A Complete Walkthrough

What You'll Need

• Satellite dish and mount kit
• LNB (verify it matches your target satellite's frequency band)
• Coaxial cable (RG-6 or equivalent, 75Ω)
• F-type connectors and crimping tool (or pre-made cable)
• Compass and inclinometer (or use your smartphone)
• Satellite receiver and TV
• Drill, wall plugs, screws, spanner/wrench set
• Cable clips, sealant, and weatherproofing tape for outdoor connections

Step 1: Choose the Right Dish Size

Dish size is determined by two factors: your distance from the satellite's coverage zone centre, and the satellite's EIRP (signal power) in your area.

General guidelines for Ku-band:

• 60cm — strong signal areas (e.g., central Europe for Astra 19.2°E)
• 80–90cm — edge of beam, Northern Europe, Southern Europe for some satellites
• 1.0–1.2m — fringe areas, reception of weak transponders

When in doubt, go one size larger. A bigger dish always helps and you can't "upgrade" signal strength without a bigger dish or a better location.

Step 2: Select Your Mount Location

The ideal location has a clear, unobstructed line of sight in the direction of your target satellite. Check for:

• Trees that may grow and block the signal in spring/summer
• Roof overhangs or gutters that cut into the elevation angle
• Nearby buildings or structures in the satellite direction
• Sufficient wall or roof structure to hold the mount securely

Use DishTuner to get your satellite's azimuth and elevation before scouting locations — you need to physically look in that direction and check for clear sky.

Step 3: Mount the Bracket

Use the appropriate wall bracket for your surface type (brick, timber frame, tile). Drill into solid mortar or masonry, not the brick face. Use M8 or M10 stainless steel bolts and appropriate wall plugs rated for outdoor use.

The mast must be perfectly vertical — use a spirit level. Even a small lean will introduce azimuth error that is impossible to compensate for.

Step 4: Assemble the Dish

Assemble the dish reflector, arm, and LNB bracket according to the manufacturer's instructions. Attach the LNB but leave it loose enough to rotate for skew adjustment later. Connect the coaxial cable to the LNB using a weatherproofed F-connector — apply self-amalgamating tape over the joint.

Step 5: Run the Cable

Route the cable from the LNB to your receiver location. Key rules:

• Keep bends gentle — coaxial cable should not be kinked
• Use UV-resistant cable for outdoor runs
• Drill through external walls at a downward angle to prevent water ingress
• Seal all wall penetrations with silicone sealant
• Clip cable every 30–40cm on vertical runs, every 50cm on horizontal
• Maximum cable run of approximately 30m with standard cable before signal loss becomes significant

Step 6: Connect the Receiver

Connect the cable to your satellite receiver's LNB input. Connect the receiver to your TV via HDMI. Power up and navigate to the receiver's signal meter screen — this is your live feedback tool during alignment.

Step 7: Align the Dish

With the signal meter visible, set your elevation angle using the dish's scale, then sweep slowly through azimuth while watching the signal quality bar. When you find the peak:

1. Fine-tune elevation up/down for maximum quality
2. Adjust LNB skew and confirm quality improves further
3. Tighten all bolts to the manufacturer's torque specification
4. Re-check signal hasn't dropped after tightening (it shouldn't, but verify)

Step 8: Final Scan

Run a blind scan or manual transponder scan on your receiver to populate the channel list. Verify channels across different transponders to confirm the dish is locked correctly, not just on one strong beacon.