If I hit it with s9+20 carrier at 3750hz, I get an s2 spur as you described
with 1.373b5
73, Barry N1EU
On 3/9/06, Sinisa Hristov <shristov@ptt.yu> wrote:
>
> Orion I with V2.055 set up as follows:
> MAIN RX on ANT1 and VFO A, 3750 kHz LSB,
> 6 kHz roofing filter, BW = 2500 Hz, PBT = 0 Hz, 199 taps
> RF GAIN = 100, PREAMP ON, no ATTN
>
> A -79 dBm (S8 dB) carrier at 3750 kHz presented to ANT 1 input.
>
> The normal response is heard by tuning Orion from 3750.0 to 3752.5 kHz.
> A spurious response is heard by tuning Orion from 3753.5 to 3756.0 kHz.
> It sounds "backwards" and is approximately 40 to 50 dB below the main
> response.
>
> Did this happen with V1 firmware?
>
>
> 73,
>
> Sinisa YT1NT, VE3EA
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