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| Subject: | Re: LF: VO1NA 8270.0075 Hz |
| From: | Markus Vester <[email protected]> |
| Date: | Tue, 11 Sep 2018 07:37:59 -0400 |
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That continuous trace on Paul's spectrogram is impressive - great work! I've not been mucking with the tx or tuning so perhaps Mother Nature has Attempting to extract a long spectrum from Paul's data creates a split peak at +-12 uHz from the center, suggesting a repeating near 180° phase difference between day and night. A close look on our Bavarian 31 uHz spectrograms seems to bring up some faint traces on the right frequency, but to be more sure we still need a few dB less noise, or more ERP. Best 73, Markus (DF6NM) -----Ursprüngliche Mitteilung----- Von: jcraig <[email protected]> An: rsgb_lf_group <[email protected]> Verschickt: Mo, 10. Sept 2018 21:33 Betreff: Re: LF: VO1NA 8270.0075 Hz provided an ERP improvement -- the wx has been quite dry recently. Thank-you for the report and the spectrogram service. It keeps me entertained, especially since it seems impossible to see my own sigs with a remote setup at distances greater than about 10 km. Been playing with vt tools and a cheap sound card. 73 Joe VO1NA On Sun, 9 Sep 2018, Paul Nicholson wrote: VO1NA from Newfoundland with 10uW must hold the record for the longest running VLF transmission! Coming in well the last couple of days - http://78.46.38.217/fbins3.html#p=1536487200&b=280&s=sp&m=cardioid&w=r&h=62&z1=0.34&z2=0.64&c=1 An ERP improvement, or good propagation? -- Paul Nicholson -- > > >
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