Ken Widelitz wrote: > > Is the difference between the Sub RX being Linked and being in Diversity > merely that you can still change the Sub RX frequency using the VFO B > knob? > If you can tune the Sub RX independently using the VFO B knob while > linked, > what is the purpose of being linked as opposed to just being in Diversity > unlinked? Am I missing something? > > ##See page 37 of the current manual. When LINKed, VFO A tunes both Main > and Sub at whatever offset the VFO offsets were when LINKed. You can then > change VFO B, but then VFO A will tune BOTH at whatever the new offset is. > I don't know what purpose an offset serves but possibly repeater splits, > transverters or some other feature I never use. I always LINK my VFOs on > the same QRG. > > In Diversity, both VFOs are LINKed to what was set on VFO A and VFO B is > now independent (and can be used to set a SPLIT TX freq for example). See > below for a note I sent to Frank W3LPL about how I use Diversity. > >>Another related issue - because I use Writelog with the W5XD Multi-Keyer for > SO2R, I need to have the headphone audio output from each radio in mono, > that is, the Sub RX and the main RX mixed together, so I can listen to > both > left and right radios at the same time. Does mixing the Sub RX and main RX > together in Diversity mode negate any of the Diversity benefits, or will I > get the same benefit, just in mono so I won't know which antenna is doing > the better job at any particular time without playing with the RF gain > control for each? > > ##I haven't actually tried that myself so I can't say for sure. If the > two audio channels are summed, it seems like you should get some of the > benefits (e.g. QSB reduction, hearing a signal present on one antenna and > not the other, etc). Having used true Diversity for ~8 months, I dislike > using the K3 without it on the low bands. > > 73, Bill > > P.S. My note to Frank W3LPL: > > Hi Frank, > > The simple way to set Diversity is to first set up the Main RX exactly how > you want it. Then double-tap A>B which copies all settings to VFO B > (single-tap just copies freq). I like to equalize RF gains so I have my > TX array on VFO A and Beverage on VFO B with ATT set for VFO A and PRE for > VFO B (you can do this by going into BSET and separately setting PRE > instead of ATT which was copied in the A>B above). Then the two RF Gain > settings should be reasonably close. I also use the CONFIG: SUB AF > Balance feature so my AF Gain tracks Main and Sub using the inner AF knob > only. > > Once you have Main and Sub set up the way you want, HOLD SUB a LONG > time...initially it LINKs the VFOs together and then it goes into > Diversity (a flashing decimal point in the Main VFO readout indicates > Diversity mode). Then both RXs will track together with VFO A. Then set > SPLIT and now you can TX on VFO B with both RXs tracking in Diversity on > VFO A. This sounds complicated but I basically leave my rig set up in > Diversity mode all the time. Read below for how to easily go in and out > of Diversity using the two antennas on Main and Sub: > > http://n2.nabble.com/-K3--KRX3-Antenna-Flexibility-td1499595.html#a1500426 > > I'm surprised you don't find Diversity with the K3 to be much better than > the MP on CW. As I said above, I basically leave Diversity on > continuously when on the low bands in CW. I actually haven't operated the > K3 much on SSB yet (...waiting for 10m to come back!) > > (Note: My last comment was in response to my misunderstanding what Frank > actually said. He said his K3 + Diversity was "vastly superior" to his MP > on SSB, but he had not actually used Diversity on CW yet, since he just > got his KRX3 going after the ARRL DX CW). >
-- View this message in context: http://n2.nabble.com/Sub-RX---Diversity-vs.-Linked-tp2479517p2482459.html Sent from the Elecraft mailing list archive at Nabble.com. ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[email protected] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
