Have you ever wondered what good one of those $60-100 "R X Noise Bridges" could do for YOUR station setup? Are you baffled by your antenna tuner or "transmatch"? The 1051 is easy to build and super-easy to use. No "R-X" controls, calibration or calculations needed. Just connect it between your rig and antenna tuner, set receiver to desired operating frequency, and adjust the antenna tuner until the distinctive modulated pulses (NOT just straight "noise"!) drop to an easily-recognized "null" indicating that the tuner offers a 50-ohm match to your transceiver with NO on-the-air nervous experimenting with the tuner controls!