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References: [ +from:[email protected]: 194 ]

Total 194 documents matching your query.

141. Re: Fwd: Re: LF: VK1OD's analysis of the MiniWhip antenna (score: 1)
Author: edgar <[email protected]>
Date: Wed, 10 Jul 2013 22:55:49 +1000
Hi Jay, I can see that part of the space craft would be a ground plane. I expect that part of the reason for using such high frequencies in space communication is because a small structure there woul
/rsgb_lf_group-archives/html/rsgb_lf_group/2013-07/msg00121.html (12,502 bytes)

142. Re: LF: DCF39 reception (score: 1)
Author: edgar <[email protected]>
Date: Mon, 22 Jul 2013 22:07:39 +1000
Hi Christian, I have never tried to listen for it. Regards, Edgar Moonah, Tasmania.
/rsgb_lf_group-archives/html/rsgb_lf_group/2013-07/msg00158.html (9,578 bytes)

143. Re: LF: DCF39 reception - audio level (score: 1)
Author: edgar <[email protected]>
Date: Tue, 23 Jul 2013 10:57:15 +1000
Hi Christian, An audio file of the DCF39 signal was recorded last night. A five minute section from 20:10 to 20:15 UTC was replayed in Spectrum Lab. A section is shown in this image. The mark and spa
/rsgb_lf_group-archives/html/rsgb_lf_group/2013-07/msg00162.html (10,613 bytes)

144. Re: LF: Re: MiniWhip antenna, fiber optic TEST SIGNALS NEEDED on 630m WSPR (score: 1)
Author: edgar <[email protected]>
Date: Sat, 13 Jul 2013 20:03:00 +1000
Hi Roelof, Is the signal transfer in the fibre optic transmitter, receiver and cable linear? Also would it reduce the losses if led transmitter and receiving photo transistor were mounted at each end
/rsgb_lf_group-archives/html/rsgb_lf_group/2013-07/msg00233.html (14,693 bytes)

145. Re: LF: Re: MiniWhip antenna, fiber optic TEST SIGNALS NEEDED on 630m WSPR (score: 1)
Author: edgar <[email protected]>
Date: Sat, 13 Jul 2013 21:14:13 +1000
Hi Roelof, Thank you for your reply. Regards, Edgar
/rsgb_lf_group-archives/html/rsgb_lf_group/2013-07/msg00234.html (14,503 bytes)

146. Re: LF: VK1OD's analysis of the MiniWhip antenna (score: 1)
Author: edgar <[email protected]>
Date: Sun, 07 Jul 2013 08:45:49 +1000
Hi Roelof, For a test, to isolate the Minwhip, could the signal be re-transmitted by a small transmitter, battery powered, at a higher frequency to a local receiver? Regards, Edgar Moonah, Tasmania.
/rsgb_lf_group-archives/html/rsgb_lf_group/2013-07/msg00261.html (12,894 bytes)

147. LF: DK7FC (score: 1)
Author: edgar <[email protected]>
Date: Fri, 09 Aug 2013 12:32:37 +1000
HI Stefan, It is encouraging to see some signs of your transmissions here on two occasions in the past week with the IDC-136II receiver. I plan to change the set-up on the grabber to monitor DCF39 an
/rsgb_lf_group-archives/html/rsgb_lf_group/2013-08/msg00022.html (9,749 bytes)

148. LF: DK7FC Equinox reception (score: 1)
Author: edgar <[email protected]>
Date: Sat, 03 Aug 2013 09:28:51 +1000
Hi, During the last three Equinoxes I have attempted to receive DK7FC's signal at QE37pd, Moonah, Tasmania. The best result was achieved last April. Refer to: https://dl.dropboxusercontent.com/u/1012
/rsgb_lf_group-archives/html/rsgb_lf_group/2013-08/msg00023.html (10,565 bytes)

149. LF: DK7FC reception (score: 1)
Author: edgar <[email protected]>
Date: Sun, 18 Aug 2013 17:59:44 +1000
Hi, I mentioned recently that an attempt was to be made to improve on the distance achieved in receiving DK7FC's signal in Tasmania. A receiver, PC and antenna system has now been set-up in Orford, T
/rsgb_lf_group-archives/html/rsgb_lf_group/2013-08/msg00024.html (9,575 bytes)

150. LF: DK7FC reception (score: 1)
Author: edgar <[email protected]>
Date: Thu, 22 Aug 2013 16:27:36 +1000
Hi, Those members following the grabber set-up at Orford, monitoring for DK7FC signal, will notice that it is off line. The software to maintain the internet connection is unreliable. Does anyone hav
/rsgb_lf_group-archives/html/rsgb_lf_group/2013-08/msg00025.html (9,507 bytes)

151. LF: Europe reception (score: 1)
Author: edgar <[email protected]>
Date: Tue, 27 Aug 2013 09:11:42 +1000
Hi, I have been monitoring DCF39 and HGA22 signals. https://dl.dropboxusercontent.com/u/101251787/reception%20moonah.html In the HGA22 image, any ideas as to the origins of the dotted signal just bel
/rsgb_lf_group-archives/html/rsgb_lf_group/2013-08/msg00032.html (9,331 bytes)

152. LF: [OT] Quadrocopter antenna (score: 1)
Author: edgar <[email protected]>
Date: Thu, 08 Aug 2013 09:56:02 +1000
Hi, A test was conducted to determine if Carbon Fibre could be used as part of the receiving element in an antenna. The results here. https://dl.dropboxusercontent.com/u/101251787/Carbon%20Fibre%20Wh
/rsgb_lf_group-archives/html/rsgb_lf_group/2013-08/msg00101.html (9,901 bytes)

153. Re: LF: DK7FC Equinox reception (score: 1)
Author: edgar <[email protected]>
Date: Sat, 03 Aug 2013 23:20:49 +1000
Hi Markus, Thank you for your interest in the Equinox reception project. It has been interesting for me to assemble a stand alone receiving set-up to try to receive Stefan's signal. I would be very p
/rsgb_lf_group-archives/html/rsgb_lf_group/2013-08/msg00137.html (10,566 bytes)

154. Re: LF: DK7FC reception (score: 1)
Author: edgar <[email protected]>
Date: Fri, 23 Aug 2013 18:24:45 +1000
Hi Dimitris, Thank you for the detail on the software. Regards, Edgar Moonah, Tasmania
/rsgb_lf_group-archives/html/rsgb_lf_group/2013-08/msg00140.html (9,455 bytes)

155. Re: LF: Quadrocopter antenna (score: 1)
Author: edgar <[email protected]>
Date: Tue, 06 Aug 2013 08:13:33 +1000
Hi Stefan, Why not use the Quadrocopter to maintain the position of a Helium balloon? Regards, Edgar Moonah, Tasmania.
/rsgb_lf_group-archives/html/rsgb_lf_group/2013-08/msg00189.html (12,468 bytes)

156. Re: LF: Quadrocopter antenna (score: 1)
Author: edgar <[email protected]>
Date: Tue, 06 Aug 2013 09:39:53 +1000
Hi Graham, Yes it is and it is big thank you to Edward De Bono. Regards, Edgar Moonah, Tasmania.
/rsgb_lf_group-archives/html/rsgb_lf_group/2013-08/msg00191.html (12,665 bytes)

157. Re: LF: Re: Europe reception (score: 1)
Author: edgar <[email protected]>
Date: Tue, 27 Aug 2013 21:45:57 +1000
Hi Allan, Thank you for the information. Regards, Edgar Moonah, Tasmania.
/rsgb_lf_group-archives/html/rsgb_lf_group/2013-08/msg00198.html (9,296 bytes)

158. LF: Radio signals (score: 1)
Author: edgar <[email protected]>
Date: Wed, 11 Sep 2013 15:03:02 +1000
Hi Group, What is the mechanism for the way radio signals combine in the air? For example 1.There are two transmitters each sending out the same fixed frequency sine wave signal. 2. There are no othe
/rsgb_lf_group-archives/html/rsgb_lf_group/2013-09/msg00096.html (9,923 bytes)

159. LF: Signal detection question (score: 1)
Author: edgar <[email protected]>
Date: Tue, 08 Oct 2013 11:26:35 +1100
Hi Group, I have recorded signals from HGA22, DCF39 and DK7FC from two antenna/receivers at different locations. The locations are 58 km apart. Recordings are 16 bits, mono, 22050 Hz, and 1.5 hours l
/rsgb_lf_group-archives/html/rsgb_lf_group/2013-10/msg00206.html (10,625 bytes)

160. Re: LF: Re: Orford Grabber - lightning (score: 1)
Author: edgar <[email protected]>
Date: Wed, 02 Oct 2013 08:40:30 +1000
Hi Alan, What is the name of the facility? Regards, Edgar Moonah, Tasmania.
/rsgb_lf_group-archives/html/rsgb_lf_group/2013-10/msg00565.html (9,111 bytes)


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