Amazon.com: 2Pcs GPS Active Antenna Internal Super Strong Ceramic Patch Antenna,28dB High Gain GPS Active Antenna Ceramic Patch Internal 25 25 8mm Connector: Home Audio & Theater
RTL-SDR Active L-Band Patch Antenna For Inmarsat / Iridium / GPS - YouTube
Amazon.com: Outernet L-Band Air Gap Patch Antenna RHCP 1525-1559 MHz 8 dBi 4in SMA Male Connector: Electronics
Inmarsat Patch Antenna - Easy build at home - YouTube
Amazon.com: 2Pcs GPS Active Antenna Internal Super Strong Ceramic Patch Antenna,28dB High Gain GPS Active Antenna Ceramic Patch Internal 25 25 8mm Connector: Home Audio & Theater