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| Subject: | VLF: New experiments on 17.47 kHz planned... |
| From: | DK7FC <[email protected]> |
| Date: | Mon, 20 Aug 2018 16:23:00 +0200 |
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Hi VLF,For this week, i'm planning to start with new experiments on 17.47 kHz, where i have a (renewed) special permission to transmit. So far the best results were a prooved carrier detection as well as a 1 character EbNaut decode by Edgar from Tasmania (VK7). The first goal will be to determine the best time (start time and length) on the path for this season. We have a usable path for about 2 months centered on our autun/spring time (21st SEP). The Signal will be exported by SpecLab to simple txt files containing the FFT data. This allows stacking, which will be required to get some S/N at all. A reasonable stable path is essential during the transmission time. All this will be determined by running some carrier transmissions, a few hours per day, starting about 16 UTC. When knowing the time to try we will attempt to transfer a 2 character message and then even longer messages. 5 characters would be realistic i think, with some luck and good propagation and low QRN on the RX site... More soon. 73, Stefan |
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