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The original message has been attached to this so you can view it or label similar future email. If you have any questions, see @@CONTACT_ADDRESS@@ for details. Content preview: Hi Stefan Thanks for your answer! No island ;) [...] Content analysis details: (0.0 points, 5.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at http://www.dnswl.org/, no trust [2a00:1450:400c:c09:0:0:0:230 listed in] [list.dnswl.org] 0.0 FREEMAIL_FROM Sender email is commonly abused enduser mail provider (la5vna[at]gmail.com) -0.0 SPF_PASS SPF: sender matches SPF record 0.0 T_DKIM_INVALID DKIM-Signature header exists but is not valid X-Scan-Signature: fc152e7304849b9a177649b85aea9f41 Subject: Re: LF: Earth antenna transmissions using sea water Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.63 X-SA-Exim-Scanned: Yes Sender: owner-rsgb_lf_group@blacksheep.org Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out_1@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false Hi Stefan Thanks for your answer! No island ;) 73 LA5VNA Steinar On 29.07.2018 23:53, DK7FC wrote: > Hello Steinar, > > Placing two electrodes into sea-water will give a low resistance but no radiation resistance, so the efficiency will be poor. > Maybe you own one of the nice islands up there in Norway? A stony mountain sourrounded by sea water and then a loop from the sea to the top of the mountain and then back to the sea. That would be ideal. > > 73, Stefan > > Am 29.07.2018 23:41, schrieb LA5VNA: >> >> Hi all , long time >> >> I'm thinking of doing an experiment with an "earth antenna" in sea water. I have a cabin located just 15m from the sea. What effect will sea water have, if I place two electrodes ca 250 meters apart from each other in the sea outside the cabin? >> >> The frequency I will use is 8KHz. >> >> LA5VNA Steinar >> >> >> >> >> >> >> > >