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Flex 5000 mobile Hi-Q auto tuner

Just a thought on taking a 5000A into the field for ECOMM (Emergency Communications) mobile support operations. It would be nice to have an "screw antenna" interface/tuner that will bridge the PC...

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Flex 5000 mobile Hi-Q auto tuner

Just a thought on taking a 5000A into the field for ECOMM (Emergency Communications) mobile support operations. It would be nice to have an "screw antenna" interface/tuner that will bridge the PC...

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RX2 based on HPSDR 'Mercury' project?

Has anyone put any thought to designing an RX2 board based on the direct sampling receiver being developed by the HPSDR 'Mercury' project? I would love to be able to add the latest in digital direct...

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RX2 based on HPSDR 'Mercury' project?

Has anyone put any thought to designing an RX2 board based on the direct sampling receiver being developed by the HPSDR 'Mercury' project? I would love to be able to add the latest in digital direct...

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Suggest 5W for the Flex-1500

While 1W is great for driving transverters, I think a 5W output would make this rig much more attractive to the market because it could be used by QRP operators out of the box. (e.g. FT 817)If you...

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Suggest 5W for the Flex-1500

While 1W is great for driving transverters, I think a 5W output would make this rig much more attractive to the market because it could be used by QRP operators out of the box. (e.g. FT 817)If you...

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MIDI Controllers?

I've searched high and low and now I am assuming that there is NO MIDI support as of yet? I've been doing music production and DJ'ing for a while and have collected a quite a few controllers that I use...

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MIDI Controllers?

I've searched high and low and now I am assuming that there is NO MIDI support as of yet? I've been doing music production and DJ'ing for a while and have collected a quite a few controllers that I use...

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Flex 1500 Transverter Interfacing

Am hoping Flex Radio will come out with transverters that will interface easily with the 1500 and the 5000A. I understand they are working on transverters that will also have a 10 MHz reference input...

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Flex 1500 Transverter Interfacing

Am hoping Flex Radio will come out with transverters that will interface easily with the 1500 and the 5000A. I understand they are working on transverters that will also have a 10 MHz reference input...

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Automated Preselector

How about a preselector driven by the 5KA...?It could be rather small as it would only be needed in the RX chain....I'm assuming the ATU unit is designed for the ham bands mainly, or perhaps a .1-30Mhz...

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Automated Preselector

How about a preselector driven by the 5KA...?It could be rather small as it would only be needed in the RX chain....I'm assuming the ATU unit is designed for the ham bands mainly, or perhaps a .1-30Mhz...

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Please procide a wide input voltage range.

Please consider a wide voltage input to the 1500. This would allow use with small lightweight batteries during portable operations. It would also allow connection to my existing home station that...

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Please procide a wide input voltage range.

Please consider a wide voltage input to the 1500. This would allow use with small lightweight batteries during portable operations. It would also allow connection to my existing home station that...

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Embedded DSP

It is apparent that requiring Windows-based personal computers to perform the SDR functions is sometimes problematic -- PowerSDR freezing up, device driver conflicts, etc. Windows is just too busy to...

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Embedded DSP

It is apparent that requiring Windows-based personal computers to perform the SDR functions is sometimes problematic -- PowerSDR freezing up, device driver conflicts, etc. Windows is just too busy to...

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BHI NR Unit

It's been years, and flex can't make a good Noise Reduction (NR).Don't feel too bad, as Elecraft can't make a good NR function either.I own a BHI NR unit sold in the USA by GAP.Why not make a deal with...

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BHI NR Unit

It's been years, and flex can't make a good Noise Reduction (NR).Don't feel too bad, as Elecraft can't make a good NR function either.I own a BHI NR unit sold in the USA by GAP.Why not make a deal with...

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Tayloe detection

I am reading (and rereading) the QEX articles. Thanks for publishing them.Tayloe detection does a divide by 4 and then sums samples 1 and 3 and samples 2 and 4 and achieves amazing low noise gain. Why...

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Expresscard Firewire Cards - Got some

Hi guys- Sorry if this is slightly off-topic.In getting my IMB Lenovo laptop to talk to my new 3000, I landed up with a coupleof extra Expresscard Firewire cards. I did a shotgun approach and bought...

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