Many thanks to SWLing Post contributor, Dan Robinson, for the following guest post and review: Re-Visiting Calibration on Tecsun Receivers Dan Robinson As owners of the latest Tecsun receivers should know by now, the PL-990x, H-501x and the new PL-368 (also sold by CountyComm as the GP7/SSB) provide the user with the ability to re-calibrate. I wrote about [...]