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| To: | <[email protected]> |
|---|---|
| Subject: | LF: Re: Re: DATONG VLF converter |
| From: | "Walter Blanchard" <[email protected]> |
| Date: | Tue, 16 May 2006 12:03:18 +0100 |
| Delivered-to: | [email protected] |
| References: | <[email protected]> <00ba01c678d4$0aee5830$0101a8c0@BUERO> <002a01c678d6$59056ca0$67b0fea9@lark> |
| Reply-to: | [email protected] |
| Sender: | [email protected] |
I've got one as well and anything over a 2m rod drives it into intermod.
If you want it for 136 you'll need a fairly decent bandpass filter in front,
the narrower the better.
Walter G3JKV.----- Original Message ----- From: "Alan Melia" <[email protected]> To: <[email protected]> Sent: Tuesday, May 16, 2006 11:48 AM Subject: LF: Re: DATONG VLF converter Hi Jo The Datong converter I had had a PP3 9volt battery installed. It wasoriginally intended for listening to BC stations on an amateur rig at 28MHz.I think it is notionally 10kHz to 500kHz ...there is a LP filter in theantenna. There is a circuit diagram on one of my web pages....the direct URLis http://www.btinternet.com/~alan.melia/loscprob.htm#Datong%20VLF%20ConverterIt does not like to work from a big antenna and may need some attenuation toavoid IMD products. Cheers de Alan G3NYK ----- Original Message ----- From: Johannes Wilke <[email protected]> To: RSGB LF Group <[email protected]> Sent: 16 May 2006 11:32 Subject: LF: DATONG VLF converterGreetings all, I've found an old DATONG VLF converter without manual. Does somebody know the supply voltage and frequency range? 73 Jo, DK2PH |
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