Any noise blanker will only reduce RFI from a SINGLE source at a time. 73 Mike W0BTU
On Wed, Dec 3, 2025, 9:17 PM <[email protected]> wrote: > It may not work for you however the NR-1 appears to be great for power line > noise. KP4AA made the following video: > https://www.youtube.com/watch?v=i3tDPcf-ZjE > > > Roger Kennedy G3YRO > > Having read the Handbook for this device, it looks like it is just for > pulse-noise (like ignition, or electric fences etc) . . . but removing it > BEFORE it gets into the Receiver, unlike the usual Noise Blanker circuits > that are in the I.F. > > My local noise on all the low bands is just wideband hash from various > neighbours dirty switch-mode PSUs. The Noise Blankers in my rigs don't > reduce it at all . . . so I'm presuming that neither would this unit? > > As per the previous post, I wonder if anyone has used it? > > Details here: > http://www.qrp.gr/nr1/sv3ora_NR-1_Antenna_Noise_Blanker_manual_EN.pdf > > > Roger G3YRO > > _________________ Searchable Archives: http://www.contesting.com/_topband - Topband Reflector
