Re: [softrock40] Has anyone got their UHFSDR working?
- On 28/10/10 07:21, Dave - WB6DHW wrote:
> Don:That says it all, Softrocks, UHFSDR and others presents I&Q signals to a
> Depends on the software. I don't know how they generate it. The
> UHFSDR uses the I and Q signals.
> Dave - WB6DHW
sound card, the software takes care of the mode - FM/AM/SSB/CW,
band/frequency etc, filtering - bandwidth, noise reduction/filtering, etc.
73 ... Sid.
> On 10/27/2010 9:08 PM, Donald Jacob wrote:--
>> HI Dave,
>> Is the UHFSDR true FM or is it PM?
>> Playing with some GMSK, and might be interesting to
>> see how it works.
>> On Wed, Oct 27, 2010 at 1:53 PM, Dave - WB6DHW <brainerd@...
>> <mailto:brainerd@...>> wrote:
>> I have heard from several that they have their UHFSDR working. I use
>> PowerSDR-IQ v1.20. I don't have facilities for a senstivity
>> measurement, but
>> seems to work as well as my commercial HF and VHF radios. Transmit
>> depends on the level out of your sound card. I see 10 to 20 mW.
>> Others report
>> up to 50mW.
>> I have used in on 75M SSB transmit and receive, on 20M SSB and PSK31
>> receive, 2M, Weather Channel, and 440 MHz receive FM and made a 2M
>> FM contact
>> over a 12 mile path using a 20M vertical as the antenna. I also
>> listen to
>> shortwave stations. The Austin QRP group has one working with
>> their SDR2GO (no
>> PC required) project. I sent an assembled UHFSDR to George to test
>> with the
>> SDRCube(also no PC required).
>> Phase noise is almost totally dependent on the Si570.
>> Dave - WB6DHW
>> On 10/27/2010 11:19 AM, Ed wrote:
>> > Hello All,
>> > I am interested in the results of the UHFSDR project. Has anyone
>> completed yet and if so, what performance is being achieved.
>> > Thanks
>> > Ed GM3SBC
Sid Boyce ... Hamradio License G3VBV, Licensed Private Pilot
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