M1/M2 Modular Radar Mount Spreader Kits

These three-piece kits includes a central midsection and two spreaders. Each spreader is secured to the midsection with four bolts. The spreaders are designed to be tapered and angled towards the rear, ensuring that any equipment placed on them will not obstruct the radar or satellite dome mounted above. Additionally, all wiring from your GPS unit or antenna can be routed internally through the spreaders and into the mount, enhancing security and providing a neat installation. The components of the spreader kit are assembled with rubber gaskets between each part to prevent water intrusion. Each kit now includes two stainless steel 1-14 threaded adapters (SP7LCS).

There are two configuration options: one for a closed dome radar setup and another for a satellite dome configuration. The accompanying image depicts the contents included in the package, along with the extension posts. When utilizing a closed dome radar with this spreader kit, it is advisable to elevate your GPS units above the radar to prevent interference. Conversely, when using a satellite dome, the extension posts are unnecessary for GPS units. This is because satellite dome radio waves travel vertically to the satellites, while GPS signals propagate horizontally, making it important to keep the GPS units below the satellite dome.

There are two different spreader kits available from Seaview. The only difference between the two is the size of the midsection that mounts to whichever Seaview mount you have. The smaller of the two is the SP1MODV2. The SP1MODV2 will only fit on Seaview mounts that have a part number ending in "M1", for instance a PMA57M1. Mounts that end in "M2" for example a PMADM2M2 would use a SP2MODV2 spreader kit.