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| To: | [email protected] |
|---|---|
| Subject: | Re: LF: Re: Loop TX antennas at VLF? |
| From: | John Bruce McCreath <[email protected]> |
| Date: | Fri, 18 Mar 2011 14:06:06 -0400 |
| In-reply-to: | <59F87B1BA5D04A2F98902CF94C38DB30@JimPC> |
| References: | <[email protected]> <59F87B1BA5D04A2F98902CF94C38DB30@JimPC> |
| Reply-to: | [email protected] |
| Sender: | [email protected] |
Hi Jim, LFers, > A 10m x 10m, 100m^2 loop of "thickish" 3mm dia solid wire would have a > resistance at 9kHz of roughly 0.1ohm. > With 100W available, 32A antenna current should be possible, assuming > negligible tuning capacitor losses. > Inductance would be of the order of 40uH. A tuning capacitor of roughly 8uF > would be needed. Would the oil-filled motor run caps work in this application? If so, they are readily available and inexpensive. 73, J.B., VE3EAR LowFER Beacon "EAR" 188.830 kHz. QRSS30 EN93dr |
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