Receiver is online, but the reception range is very low or zero

In this article

• Troubleshooting steps
• Still need help?

Troubleshooting steps

If your receiver appears online but is receiving very few aircraft or no aircraft at all, follow the troubleshooting steps below.

These checks apply to both new installations and receivers that previously worked well but have recently experienced a drop in range.

1. Check all cable connections

Make sure that the coaxial cable is securely connected to both:

• The antenna
• The receiver

Even a slightly loose connector can significantly reduce or completely eliminate signal reception.

2. Inspect the antenna and cable for damage

If your receiver previously had good coverage but the range has suddenly decreased, carefully inspect the installation for:

• Water ingress or moisture
• Corrosion on the connectors
• Damage to the antenna
• Damage or cuts to the coaxial cable

Outdoor installations are exposed to weather and can deteriorate over time.

3. Verify the antenna location

If this is a new installation, ensure that the antenna is installed:

• As high as possible
• Above the roofline whenever possible
• With a clear 360° unobstructed view of the horizon

Nearby buildings, trees, or other obstacles can dramatically reduce reception.

4. Check for nearby sources of interference

Strong radio transmissions can overload the receiver and reduce ADS-B reception.

In particular, check whether there are mobile phone (GSM/LTE/5G) base station antennas located close to your antenna. If so, installing an appropriate RF filter may significantly improve reception.

Still need help?

If you've completed all of the checks above and your reception range is still unusually low, please contact our support team. If possible, include:

• A photo of your antenna installation
• A photo of the antenna connectors

This information will help us investigate the issue more quickly.