very nice unique Nav-com antenna, In aviation, nav-com antennas are used for both navigation (NAV) and communication (COM). These antennas are essential for the functioning of aircraft systems. Let's take a look at who produces these antennas and what options are available: Commercial Antenna Suppliers: Several companies around the world produce antennas for the aviation industry. Some well-known names are: Comant Industries: Comant is a leading manufacturer of aviation antennas, offering a wide range of NAV and COM antennas for aircraft. Laird Connectivity: Laird also supplies antennas for aviation communications and navigation. Antenna Products Corporation: This company produces antennas for various applications, including aviation. These companies design and manufacture antennas that meet the specific frequency bands and performance requirements of aviation. DIY options: Some aircraft enthusiasts and radio amateurs build their own antennas. This can be an interesting option if you have specific needs or if you want a broadband antenna. Still works excellently. A must-have for an enthusiast I have attached a photo so that you can see where the antenna was mounted, namely on top of the cockpit