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FLEX 1550 - 3000 + 2m transverter
                
                    Stefano - W2WTZ                
                
                    Member                 
            
                        
            
                    I have a Yaesu 991 for VHF contesting, really a good radio on 2m, equivalent to a 275 Icom.
I wish to improve using a transverter+sdr. I plan to buy a transverter from HA1YA.
Which differences will I espect using a Flex 1550 vs a second hand 3000? Will I find differences/difficulties compared SSDR with 6500 that is fantastic? I evaluated a second hand 5000 with Flex VHF/UHF module but the cost is higher and I think that in contest Gabor transverter is better.
6500 stays at home while contesting is done on the hill with another PC, but I'afraid with a I3 notebook to have issues on Firewire, while 1500 is USB interfaced. Maybe someone made some experience to share.
                I wish to improve using a transverter+sdr. I plan to buy a transverter from HA1YA.
Which differences will I espect using a Flex 1550 vs a second hand 3000? Will I find differences/difficulties compared SSDR with 6500 that is fantastic? I evaluated a second hand 5000 with Flex VHF/UHF module but the cost is higher and I think that in contest Gabor transverter is better.
6500 stays at home while contesting is done on the hill with another PC, but I'afraid with a I3 notebook to have issues on Firewire, while 1500 is USB interfaced. Maybe someone made some experience to share.
0          
            Answers
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            The 1500 is designed specifically for transverter use with a split IF and low power transverter output along with the ability to connect it to a 10 MHz disciplined external oscillator for greater frequency stability and accuracy.
 The 3000 has none of those features.
 The 1500 and 3000 are highly dependent on the quality of the PC connected to it and the PC to radio interface. The 5000 has a better RX than the 3000 and 1500 and has all of the same transverter features as the 1500. If you get a 2nd hand 5000 without the V/U module and use it, it should make a very cost-effective and high-performance VHF station.
 Although 6500 would beat all three of the FLEX Series SDRs in performance.0
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            I used my Flex-1500 with an Elecraft 222 Transverter and also a Downest Microwave 1296 transverter. The Flex-1500 is perfect for Transverter use. I also picked up a 10Mhz reference on ebay and used it on the 1500. Having the panadapter was very helpful trying to work weak 1296 stations as many stations were off frequency and you could spot them with the panadapter. I kinda of regret selling my 1500.
 0
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            Tim, may I use an i3 notebook?
 Wich 10 Mhz reference did youi buy Burch?0
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            An i3 might be a little underpowered depending on the radio being used with it. It might be OK for the 1500, but running a 5000 at a 192k sampling rate might not provide a satisfactory operating experience. I built my own 10 MHz reference using a surplus LPRO 101 Rb clock. Google it. There is a lot of info on it.1
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            I had a Trimble Thunderbolt 10MHZ reference.
 0
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