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| To: | rsgb_lf_group@blacksheep.org |
|---|---|
| Subject: | LF: Changing passband center with opds |
| From: | Markus Vester <markusvester@aol.com> |
| Date: | Wed, 18 Jun 2014 02:25:53 -0400 (EDT) |
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| Reply-to: | rsgb_lf_group@blacksheep.org |
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In case you are using SpecLab / opds correlation detection software,
and decide to move down from 137.55 to 137.50 kHz band center, here's
what you'll need to change:
- SpecLab FFT settings: reduce center freq by 50 Hz (eg. from 1550 to 1500 Hz) - SpecLab components, L2 blackbox, bandpass filter: reduce center freq by 50 Hz - set up display range at left side of waterfall: eg. fc=1500, sp=106- edit center freq in opds.ini from fc=137550 to fc=137500, and restart opds. Best 73, Markus (DF6NM) -----Ursprüngliche Mitteilung----- Von: Graham <g8fzk@g8fzk.fsnet.co.uk> An: rsgb_lf_group <rsgb_lf_group@blacksheep.org> Verschickt: Mo, 16 Jun 2014 9:42 pm Betreff: Re: LF: op32 on 137.575 Hz ?For 136 , mid band is now 137.500 , decoder pass band +/- 50 Hz ... |
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