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| To: | [email protected] |
|---|---|
| Subject: | Re: LF: SAQ reception in JN59WK |
| From: | Johan Bodin <[email protected]> |
| Date: | Mon, 4 Jul 2016 22:14:16 +0200 |
| In-reply-to: | <[email protected]> |
| References: | <3FC309493876428EA7AB8BF0C3A0A26B@PCMF> <[email protected]> <[email protected]> |
| Reply-to: | [email protected] |
| Sender: | [email protected] |
| User-agent: | Mozilla/5.0 (Windows NT 6.3; WOW64; rv:45.0) Gecko/20100101 Thunderbird/45.1.1 |
Hello Roelof,your 17dB agrees very well with my measurement made many years ago, I also found the "backwave" to be 17 dB below key-down power. Assuming the key-down output is 200kW, "only" 4000 watts, or 5.44 horsepowers, leaks out when the key is up :-) 73 de Johan SM6LKM Roelof Bakker wrote: Hello all, SAQ was 30 dB above the noise floor here and the residual key-up carrier was about 17 dB weaker. If you can hear the latter, reception is good! The receiver here is a PERSEUS SDR and the antenna is a pa0rdt-Mini-Whip, 5 meter up in a hawthorne tree. 73, Roelof Bakker, pa0rdt |
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