Julian, G4ILO wrote: > I'm not saying that performance on six meters should have been higher than > the performance on the HF bands. I'm saying that it should not be worse than > an IC-756 PRO III, a TS-2000 or an FT-2000 would be, considering the claims > made about the K3's performance. > > I have no idea of the proportion of K3 users who will never use 6 meters in > any serious way. However I think there are quite a few, such as myself, who > will have some fun on the band from time to time simply because modern HF > transceivers now include it. I'm certainly not serious enough about 6m to > spend money on a preamp for it, so I'm feeling a little short-changed after > receiving information that the K3 is so deaf on 6m that you need one. The > other radios mentioned above certainly are usable on 6m without a preamp by > all but the most diehard enthusiast who would probably want it at the > masthead anyway. > > ----- > Julian, G4ILO. K2 #392 K3 #222. > http://www.g4ilo.com/ G4ILO's Shack http://www.ham-directory.com/ Ham > Directory http://www.g4ilo.com/kcomm.html KComm for Elecraft K2 and K3
Hello Julian, Yes, other HF/6m transceivers such as the IC756 and IC746 are also relatively insensitive when it comes to 6m. I understand the typical HF/6m transceiver has a front end noise figure in the neighborhood of 5 or 6 dB on 6m and some are much worse. Part of the tradeoff for handling strong signals on 20m I suppose. For most strong signal applications it makes little difference. Putting a low noise preamp such as the one offered by Elecraft ahead of your receiver typically will give you a dB or so more sensitivity, provided you have low loss feedline. If you are using lossy old RG8 or RG58 then you might as well not bother with a preamp because if there was a weak signal there at the antenna, it will be gone at your rig anyway. For strong signal openings who cares about a dB or two? For weak signal contacts from a quiet QTH, that can make all the difference. It is great to have a rig like the K3 where you have an option. GL and VY 73, Lance -- Lance Collister, W7GJ (ex: WN3GPL, WA3GPL, WA1JXN, WA1JXN/C6A, ZF2OC/ZF8) P.O. Box 73 Frenchtown, MT 59834 USA QTH: DN27UB TEL: (406) 626-5728 URL: http://www.bigskyspaces.com/w7gj 2m DXCC #11/6m DXCC #815
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