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| To: | rsgb_lf_group@blacksheep.org |
|---|---|
| Subject: | LF: Modelling aerials |
| From: | Richard Newstead <g3cwi@btconnect.com> |
| Date: | Sun, 24 May 2009 20:16:47 +0100 |
| Reply-to: | rsgb_lf_group@blacksheep.org |
| Sender: | owner-rsgb_lf_group@blacksheep.org |
| User-agent: | Thunderbird 2.0.0.21 (Windows/20090302) |
Dear MFersI am trying to model various aerial configurations for 500kHz using NEC. I have set the antenna 0.5m above ground as NEC2 does not like radials on the ground. I have used "real ground". Has anyone compared the calculated Source impedances to real-world measurements at 500kHz? I am trying to understand the likely range of impedances that I need to match over and hence the ATU types I need to employ and the components needed. Any modelling tips will be welcome. 73 Richard G3CWI |
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