Spurious ARPA Targets DRS25A-NXT

Yes, it can both ways. I would keep it out of the radar beam of the antenna. 4ft was still a problem for our SCX20 when it was out of the beam of the StarLink, but it is likely more sensitive to RF noise than the radar would be. As long as it is out of the beam hopefully 4 feet is good. I would run it before drilling and mounting. It is great having good service out on the water. You will love it.
 
Specification for phased array antennas is 15.5' away from the radar and above the beam. Starlink's beam angle is ~100-130° and the standard is to keep other receivers out of the beam, just as you would your radar.
@Johnny Electron's suggestion is great, try it at the desired location first before hard mounting. If your pilot starts wandering or heading gets flaky, you'll know why.
 
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