Many thanks to Steve (KV4AN) who writes: LNR Precision has released an important firmware update to the MTR3B-V4 Mountain Topper. The attached article describes it. [Click here to download PDF.] I thought the readers of QRPer.com would like to know about it, as they are out doing SOTA and POTA activations and not hanging out … Continue reading Mountain Topper MTR3B-V4 Firmware Update Adds Helpful New Features
