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| To: | [email protected] |
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| Subject: | Re: LF: K3RWR LF EbNaut Trial #2 |
| From: | DK7FC <[email protected]> |
| Date: | Sun, 25 Mar 2018 22:47:34 +0200 |
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Hi Rob,The condx seem not to be superior, so that's a challenge. I upgraded my LF setup now to the new PPS standard. In the early 2010s we used to use a 10 kHz ref signal from an old GPS module. This works well unless there are no soundcard glitches, but on a LF grabber PC running 10 SpecLab instances and 2 WSJT-X instances and one OPDS-32 instance, this is not unlikely :-) Now the system uses one of the good stereo USB soundcards and 1 PPS (+NTP) on the right channel. So both, the LO and the soundcard are now tracked/'locked' to GPS. I started an EbNaut instance on your frequency, each FFT covering nearly 2 hours, so here i'm ready!! 73, Stefan Am 25.03.2018 16:57, schrieb Rob Renoud: LF EbNaut, Per DK7FC’s proposal, I have started LF EbNaut Trial #2 running a 30 character EbNaut message as follows: Start Time: Currently Running Stop Time: To Be Determined Frequency: 137.395 KHz Code Rate: 1/8 K=19 Symbol Period: 2 seconds CRC Bits: 18 Characters: 30 Text: K3RWR_EBNAUT_LF_TRIAL_MAR_2018 # of Signal Bits: 1728 Duration: 00:57:36:00 Transmissions Repeat on the Hour Power: 1W EIRP Reports& comments welcome 73, Rob - K3RWR FM18qi |
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