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References: [ +subject:/^(?:^\s*(re|sv|fwd|fw)[\[\]\d]*[:>-]+\s*)*LF\:\s+VO1NA\s+frequency\s*$/: 12 ]

Total 12 documents matching your query.

1. LF: VO1NA frequency (score: 1)
Author: "Markus Vester" <[email protected]>
Date: Wed, 11 Nov 2015 01:21:14 +0100
Hi Joe, the attached plot shows the frequency stability of your opds trace received last night http://df6nm.bplaced.net/LF/opds32_151110_0736.png . Each data point is the interpolated peak of a singl
/rsgb_lf_group-archives/html/rsgb_lf_group/2015-11/msg00211.html (18,417 bytes)

2. Re: LF: VO1NA frequency (score: 1)
Author: Markus Vester <[email protected]>
Date: Wed, 11 Nov 2015 12:10:02 -0500
Joe, more of the same from last night, this time with frequency and level plots. Again we see some frequency variation of similar size as yesterday. It is not clear how much of that is due to propaga
/rsgb_lf_group-archives/html/rsgb_lf_group/2015-11/msg00226.html (21,190 bytes)

3. Re: LF: VO1NA frequency (score: 1)
Author: [email protected]
Date: Wed, 11 Nov 2015 20:05:54 -0330 (NST)
Hi Markus (and thank-you to Chris, Urlich, Iban and Graham for reports/relays) Your critiques of my signals are very thorough and masterful. I am most grateful. There is a concensus amongst you, Dome
/rsgb_lf_group-archives/html/rsgb_lf_group/2015-11/msg00234.html (18,973 bytes)

4. Re: LF: VO1NA frequency (score: 1)
Author: "Alan Melia" <[email protected]>
Date: Thu, 12 Nov 2015 00:49:19 +0100
Hi Joe plaese be sending the cats bank account numbre and sort cod e so we may pay his inheritance :-)) Alan G3NYK Hi Markus (and thank-you to Chris, Urlich, Iban and Graham for reports/relays) Your
/rsgb_lf_group-archives/html/rsgb_lf_group/2015-11/msg00235.html (21,586 bytes)

5. Re: LF: VO1NA frequency (score: 1)
Author: [email protected]
Date: Wed, 11 Nov 2015 21:43:14 -0330 (NST)
73 Alan! Joe Hi Joe plaese be sending the cats bank account numbre and sort cod e so we may pay his inheritance :-)) Alan G3NYK Hi Markus (and thank-you to Chris, Urlich, Iban and Graham for reports
/rsgb_lf_group-archives/html/rsgb_lf_group/2015-11/msg00238.html (21,565 bytes)

6. Re: LF: VO1NA frequency (score: 1)
Author: Markus Vester <[email protected]>
Date: Thu, 12 Nov 2015 06:41:26 -0500
Hi Joe, an interesting change happened last night: as far as I can see, your frequency has shifted to nominal 137477.000 at 22:45 UT, and appeared to be rather stable thereafter. Regarding EbNaut tra
/rsgb_lf_group-archives/html/rsgb_lf_group/2015-11/msg00245.html (21,955 bytes)

7. Re: LF: VO1NA frequency (score: 1)
Author: Paul Nicholson <[email protected]>
Date: Thu, 12 Nov 2015 18:36:42 +0000
Thanks, that's a bug - it shouldn't need -S or -r when sending or receiving unmodulated symbols as text. Fixed now in version 0.2 http://abelian.org/ebnaut/ebnaut.c Now you can do, for example echo '
/rsgb_lf_group-archives/html/rsgb_lf_group/2015-11/msg00254.html (11,680 bytes)

8. Re: LF: VO1NA frequency (score: 1)
Author: [email protected]
Date: Thu, 12 Nov 2015 17:44:33 -0330 (NST)
Hi Markus, Convinced that the oscillator had drifted since calibration 2 years ago, I tweaked the DOXCO up 0.05 Hz and was happy to see the result on your OPDS page. Thanks for the tips on getting st
/rsgb_lf_group-archives/html/rsgb_lf_group/2015-11/msg00258.html (18,119 bytes)

9. Re: LF: VO1NA frequency (score: 1)
Author: [email protected]
Date: Thu, 12 Nov 2015 19:34:52 -0330 (NST)
Hi Paul, Problem solved! I really messed up the encoded file but ebnaut still gave the callsign and cat's name. Amazing, isn't it! I'll be on 477.7 for the next 2 days and will get back to work on th
/rsgb_lf_group-archives/html/rsgb_lf_group/2015-11/msg00259.html (12,410 bytes)

10. Re: LF: VO1NA frequency (score: 1)
Author: "Markus Vester" <[email protected]>
Date: Fri, 13 Nov 2015 20:49:08 +0100
Joe, well maybe the "crystal drift" is not the whole story... I measured both your Op-32 and QRSS transmissions (nominally on 137477 and 137777 Hz respectively), before and after the OCXO tweak. Oper
/rsgb_lf_group-archives/html/rsgb_lf_group/2015-11/msg00288.html (14,099 bytes)

11. Re: LF: VO1NA frequency (score: 1)
Author: Paul Nicholson <[email protected]>
Date: Fri, 13 Nov 2015 20:27:32 +0000
Even though I vaguely understand how it works I always find it fascinating to see. By flipping bits in test.txt you are adding binary noise, and the input of 0's and 1's to the decoder effectively fo
/rsgb_lf_group-archives/html/rsgb_lf_group/2015-11/msg00294.html (11,659 bytes)

12. Re: LF: VO1NA frequency (score: 1)
Author: [email protected]
Date: Wed, 18 Nov 2015 19:36:16 -0330 (NST)
Hi Markus, You've found my problem I think. The 32 bit frequency word was correct for 137.777 but one bit low for 137.477 kHz. Today the DOXCO was restored to its original calibration and the bit err
/rsgb_lf_group-archives/html/rsgb_lf_group/2015-11/msg00414.html (11,330 bytes)


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