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| To: | rsgb <[email protected]> |
|---|---|
| Subject: | LF: Sensitivity on 500kHz |
| From: | "lawrence mayhead" <[email protected]> |
| Date: | Fri, 20 Apr 2007 10:51:50 +0100 |
| Delivered-to: | [email protected] |
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Hi All, I have this problem on my IC781, gain reduces by about 20 db at 500kHz. This does'nt matter when I am using the big transmit antenna, signals easilly overcome rx noise. My loops are 20/30db down on the vert, but they still overide the internal noise, I don't know wether more headroom would be an advantage, but at the moment the only disadvantage is that I can't use the "S " meter for reports. Seems like all manufacturers are attenuating above 500, presumably to prevent big BC signals from overloading the front end. 73 Laurie. |
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