Hello Eric, As mentioned by other group members, this topic appears from time to time. I am the one in this forum who insist on the NR of K3 is not as good as my big ICOMs. I eventually find the answers for myself. I am a 99% SSB operator and my ears can still hear above 12Khz. As a result, I am very sensitive to the artifact of the NR of K3. While elecraft confirm the NR in KX3 is the same as K3, I find the audio of my KX3 is better in SSB than K3. The notch filter of K3 can notch the annoying carrier. Regrettably, it is outside the AGC loop and does not give any help if the offending carrier is desensing the AGC.
TNX & 73, Johnny VR2XMC ________________________________ 寄件人︰ eric manning <emann...@cs.uvic.ca> 收件人︰ elecraft@mailman.qth.net 傳送日期︰ 2013年09月5日 (週四) 12:33 PM 主題︰ [Elecraft] K3 NR needs improvement I'm a CW op, I'm baffled by the comments critical of the K3 NR, APF and notch filter. The NR generally removes ALL random noise, meaning that the rcvr is silent in the absence of signals. Admittedly, It does get a little upset in the presence of many strong signals, so I usually turn it off in pileups. The notch filter can be tuned manually to silence one interfering CW signal. The APF is a bit tricky, you need to use fine tuning [ 3 digits after the VFO decimal point], tune SLOWWLLY and listen for the weak signal to pop out of the noise. But pop out it does. Eric VA7DZ ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
