Re: Compass Location for a Catalina 25
GPS units that use magnetic latches for the SD card close to a compass are a no-no. There aren't that many of them on the market.
The bulkhead on a Catalina 25 is closer to 25 or 30 degrees slope. I think that Ritchie and maybe one other model can handle it.
boats that I sail on regularly: Pearson 28-2, Rondar 505, Yankee 30, Blanchard Junior