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| To: | [email protected] |
|---|---|
| Subject: | Re: LF: Receivers vs Transmitters etc. = "Mal'isms" |
| From: | Jacek Lipkowski <[email protected]> |
| Date: | Sat, 25 Dec 2010 17:41:50 +0100 (CET) |
| In-reply-to: | <1293285583.9520.26.camel@pat-compaq-evo> |
| References: | <1293285583.9520.26.camel@pat-compaq-evo> |
| Reply-to: | [email protected] |
| Sender: | [email protected] |
On Sat, 25 Dec 2010, g4gvw wrote: [...] I seem to recall that the earliest experimenters used far less sensitive circuits and devices. [...] it's also quite remarkable that once the range was limited mostly by receiver sensitivity, while right now by the ability to reject qrm. SAQ was once in regular commercial service with New York with simple receivers at the other end (btw. anyone know what rx was used?), right now people in the States are struggling to receive the signal with the latest technology (dsp etc). think how much the qrm must have gone up... VY 73 Jacek / SQ5BPF |
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