Hi LF, I'm back there is WSPR-15 for some time. The power is reduced by 4 dB, unfortunately. Maybe someone can catch a trace anyway :-) 73, Stefan/DK7FC
Hi Stefan Do you have a link to the CCT for the soundcard Rx ? Tnx-G http://myweb.tiscali.co.uk/wgtaylor/136SCRX.jpg Hi LF, I'm back there is WSPR-15 for some time. The power is reduced by 4 dB, unfo
Hi G, No, i've made to many modifications from time to time. There is no up to date schematic. But, it is a typical design. A suitable band pass filter, impedance converter matching to a SBL-3 mixer.
Thanks Stefan, Gary sent a copy of his cct , Im wondering what one of the usb dongles would make of it , pre-amp and band pass filters ... 73-G, Hi G, No, i've made to many modifications from time to
Hello G, As far as i know, the dynamic range of these dongles is not suitable. 60 dB may be nice for playing arround but if you want to have a real RX for weak signal detection, something serious whi
That's one of those urban things :) Sure the abs range is 3 dB per bit + 3 But the reference point is floating , or else how to measure uV changes , that's under the control of the software , which p
6dB per bit 'jnt On 16 August 2015 at 20:19, Graham <[email protected]> wrote: That's one of those urban things :) Sure the abs range is 3 dB per bit + 3 But the reference point is floa
