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1. Re: LF: Receive interference at MF (score: 1): Author: [email protected]; Date: Mon, 23 Jul 2012 15:25:24 +0300; Hello Mike, Geri, LF Mike, do you use a transformer between the feeder coax and the antenna? A transformer can serve double purpose as impedance trasformer to match the resonated antenna to 50ohm and; /rsgb_lf_group-archives/html/rsgb_lf_group/2012-07/msg00043.html (14,149 bytes)
2. Re: LF: Receive interference at MF (score: 1): Author: "Mike Dennison" <[email protected]>; Date: Mon, 23 Jul 2012 15:18:52 +0100; I do not use a transformer, and this may well help at MF. I only transmit on 136kHz (where noise is not a problem) and have tried a transformer to improve the match. However, although the match is sl; /rsgb_lf_group-archives/html/rsgb_lf_group/2012-07/msg00446.html (15,946 bytes)
3. LF: Receive interference at MF (score: 1): Author: "Mike Dennison" <[email protected]>; Date: Mon, 23 Jul 2012 10:03:09 +0100; Geri, Have you looked at your ground system? On 136kHz a network of earth stakes works well as a receive ground. However, I have found that at MF (including topband) I need insulated radials to reduc; /rsgb_lf_group-archives/html/rsgb_lf_group/2012-07/msg00508.html (13,009 bytes)

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