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141. LF: RE: dl1eie on 137.65ish (score: 1)
Author: "Dave G3WCB" <[email protected]>
Date: Sat, 18 Oct 2008 17:10:09 +0100
Dear LF, I copied this at 1440z today, on 137.700. "O" copy. I'm not sure if it actually was DL1EIE or somebody else calling him! It was a good strong signal anyway. 73, Dave G3WCB IO91RM nr Windsor
/rsgb_lf_group-archives/html/rsgb_lf_group/2008-10/msg00268.html (9,853 bytes)

142. LF: RE: 3C85/90 Toroids (score: 1)
Author: "Dave G3WCB" <[email protected]>
Date: Wed, 19 Nov 2008 23:10:29 +0100
Hi, Lee, LF I have found that the core material used for the output transformer and feedpoint choke isn't too critical in push-pull FET transmitters like the G0MRF and other designs. I've used a vari
/rsgb_lf_group-archives/html/rsgb_lf_group/2008-11/msg00038.html (13,434 bytes)

143. LF: RE: Re: DL2HRE F4DTL (score: 1)
Author: "Dave G3WCB" <[email protected]>
Date: Wed, 26 Nov 2008 00:31:48 +0100
Hi, Ed. Thanks for the report. I called Nicolas F4DTL at the same time as Jeff called him! Nicolas and Jeff were both "O" copy. I also called G3MFW in QRSS mode on Saturday at 10:14z, but he didn't h
/rsgb_lf_group-archives/html/rsgb_lf_group/2008-11/msg00110.html (12,124 bytes)

144. LF: [137 kHz] UNID TA Signal on 137,7805 <XGJ> (score: 1)
Author: "Dave G3WCB" <[email protected]>
Date: Wed, 19 Nov 2008 09:54:23 +0100
Warren, LF, I caught the "J" this time at about 0400z. Screenshot attached. (My ARGO calibration is slightly off- it reads 500 millihertz high!) My antenna is a 20m long "Tee" at 5m height, and my RX
/rsgb_lf_group-archives/html/rsgb_lf_group/2008-11/msg00153.html (12,973 bytes)

145. LF: RE: RE: RE: 3C85/90 Toroids (score: 1)
Author: "Dave G3WCB" <[email protected]>
Date: Thu, 20 Nov 2008 00:40:59 +0100
Yes! Sycom is the name of the outfit. Well done, Mike. He also sells IRF540 100V 28A mosfets. Perfect for that 137 or 500 kHz PA... 73 Dave G3WCB --Original Message-- From: owner-rsgb_lf_group@blacks
/rsgb_lf_group-archives/html/rsgb_lf_group/2008-11/msg00192.html (18,524 bytes)

146. RE: LF: Re: 3C85/90 Toroids <more> (score: 1)
Author: "Dave G3WCB" <[email protected]>
Date: Thu, 20 Nov 2008 20:27:54 +0100
Paul-Henrik, LF, You are correct. 3C85 is a ferrite, and has been widely used in transformer cores at LF, as reported by G0MRF and others. I have no experience of the material personally, as I have n
/rsgb_lf_group-archives/html/rsgb_lf_group/2008-11/msg00222.html (13,361 bytes)

147. LF: XGJ 23 Nov (score: 1)
Author: "Dave G3WCB" <[email protected]>
Date: Wed, 26 Nov 2008 00:24:25 +0100
LF, Warren, Good copy of XGJ on the morning of 23rd Nov. Several call-sign strings copied. Best copy so far this season! 73, Dave G3WCB IO91RM nr Windsor, S.E England Attachment: XGJ_0400z_23_Nov_200
/rsgb_lf_group-archives/html/rsgb_lf_group/2008-11/msg00246.html (9,866 bytes)

148. LF: [137 kHz] F4DTL (score: 1)
Author: "Dave G3WCB" <[email protected]>
Date: Sun, 16 Nov 2008 23:50:14 +0100
Dear Nicolas, LF, Lots of transmissions copied from F4DTL copied today, with much QRN also.Screenshot attached. Also copied DF6NM "M" and F6BWO "O". Lots of static crashes... 73, dave G3WCB IO91RM nr
/rsgb_lf_group-archives/html/rsgb_lf_group/2008-11/msg00266.html (10,994 bytes)

149. LF: LF [137 kHz] UNID TA Signal on 137,7805 (score: 1)
Author: "Dave G3WCB" <[email protected]>
Date: Mon, 17 Nov 2008 21:10:26 +0100
Dear LF, I copied this fragment at 0400z this morning on 137,7805 There's definitely a "G" in there. Anyone claim ownership? 73, Dave G3WCB IO91RM nr Windsor S.E. England Attachment: UNID_TA_0400z_17
/rsgb_lf_group-archives/html/rsgb_lf_group/2008-11/msg00309.html (10,873 bytes)

150. LF: RE: LF [137 kHz] UNID TA Signal on 137,7805 another fragment (score: 1)
Author: "Dave G3WCB" <[email protected]>
Date: Mon, 17 Nov 2008 21:17:13 +0100
Here's an earlier fragment from 0500z on 14th Nov. Could be a "3" or maybe an "O" with QRN. 73, Dave G3WCB IO91RM nr Windsor S.E. England Dear LF, I copied this fragment at 0400z this morning on 137,
/rsgb_lf_group-archives/html/rsgb_lf_group/2008-11/msg00454.html (11,503 bytes)

151. LF: [137 kHz] UNID TA Signal on 137,7805 <XGJ> (score: 1)
Author: "Dave G3WCB" <[email protected]>
Date: Tue, 18 Nov 2008 01:40:04 +0100
Ah, it was XGJ....thank you for the confirmation! 73, Dave G3WCB IO91RM nr Windsor S.E. England --Original Message-- From: [email protected] [mailto:[email protected]
/rsgb_lf_group-archives/html/rsgb_lf_group/2008-11/msg00466.html (11,312 bytes)

152. LF: [137 kHz] TA Signal <XGJ> (score: 1)
Author: "Dave G3WCB" <[email protected]>
Date: Thu, 20 Nov 2008 08:07:51 +0100
Hi, Warren Fragments of XGJ were received here at 0300z this morning. Screenshot attached. 73, Dave G3WCB IO91RM nr Windsor S.E. England Thanks Dave, Nice capture, condx down somewhat from last week.
/rsgb_lf_group-archives/html/rsgb_lf_group/2008-11/msg00498.html (14,192 bytes)

153. RE: LF: Usefull BBC document , low frequency Ae design (score: 1)
Author: "Dave G3WCB" <[email protected]>
Date: Wed, 19 Nov 2008 00:17:54 +0100
Dear Andy, LF I did a quick search through Eurocall, and found 23 "Poole"s, but no RHM Poole, which is a bit surprising. R is for Ranulph, by the way... Short biopic of RHM Poole contained in the pap
/rsgb_lf_group-archives/html/rsgb_lf_group/2008-11/msg00537.html (11,846 bytes)

154. LF: Seasons Greetings! (score: 1)
Author: "Dave G3WCB" <[email protected]>
Date: Thu, 25 Dec 2008 10:14:45 +0100
Merry Christmas, low noise levels and good propagation to LF'ers everywhere! 73, Dave G3WCB IO91RM nr Windsor, SE England
/rsgb_lf_group-archives/html/rsgb_lf_group/2008-12/msg00246.html (9,135 bytes)

155. LF: RU6LA tonight (score: 1)
Author: "Dave G3WCB" <[email protected]>
Date: Sun, 14 Dec 2008 23:57:12 +0100
Ed, LF, Good QRSS10 signal from RU6LA at 2200z this evening (Copied in QRSS3) 73, Dave G3WCB IO91RM nr Windsor, S.E. England Dear LF group! What's traces on 137.778,7 kHz at my argocaps - signals was
/rsgb_lf_group-archives/html/rsgb_lf_group/2008-12/msg00256.html (10,859 bytes)

156. LF: RE: G3WCB F4DTL (score: 1)
Author: "Dave G3WCB" <[email protected]>
Date: Sun, 28 Dec 2008 16:23:35 +0100
Dear Nicolas, Thank you for the QSO and Happy New Year! 73, Dave G3WCB IO91RM nr Windsor, s.e. England --Original Message-- From: [email protected] [mailto:owner-rsgb_lf_group@blacks
/rsgb_lf_group-archives/html/rsgb_lf_group/2008-12/msg00333.html (10,206 bytes)

157. RE: LF: 500KHz QSB (score: 1)
Author: "Dave G3WCB" <[email protected]>
Date: Sun, 28 Dec 2008 18:34:21 +0100
How about QRSS on three closely spaced frequencies at once, perhaps? 73, Dave G3WCB Dear Gary, LF Group, Quoting from the Propagation chapter of the Admiralty Handbook of Wireless Telegraphy 1938 edi
/rsgb_lf_group-archives/html/rsgb_lf_group/2008-12/msg00638.html (11,160 bytes)

158. LF: 137 kHz WSPR tests saturday DF0WD & M0BMU & F5WK & DF6NM.... (score: 1)
Author: "Dave G3WCB" <[email protected]>
Date: Sat, 17 Jan 2009 18:23:00 +0100
Lots of WSPR activity today... 093600 7 10 1.1 -10 0 M0BMU IO91 27 094200 3 -21 1.5 1 0 DF0WD JO42 27 094400 7 8 1.2 -10 0 M0BMU IO91 27 095200 6 9 1.3 -10 0 M0BMU IO91 27 095800 7 10 1.2 -10 0 M0BMU
/rsgb_lf_group-archives/html/rsgb_lf_group/2009-01/msg00097.html (23,912 bytes)

159. RE: LF: Re: QRG & MSG UPDATE: 136kHz test from OH1LSQ (score: 1)
Author: "Dave G3WCB" <[email protected]>
Date: Fri, 16 Jan 2009 22:13:27 +0100
Paul-Henrik, LF, 136.35 kHz is fine for me, it's probably just that the conditions may have changed. I'll continue to monitor 136.35 for the next few hours. 73, Dave G3WCB IO91RM Hello Dave, LF Thank
/rsgb_lf_group-archives/html/rsgb_lf_group/2009-01/msg00125.html (14,765 bytes)

160. RE: LF: Re: QRG & MSG UPDATE: 136kHz test from OH1LSQ (score: 1)
Author: "Dave G3WCB" <[email protected]>
Date: Fri, 16 Jan 2009 21:59:42 +0100
Paul-Henrik, LF, I was definitely seeing traces of your signal around 1900 utc before you QSYd. See attached screengrab. No sign ot the QRSS3 on 136.35, yet. 73, Dave G3WCB IO91RM Danke Markus! I'm s
/rsgb_lf_group-archives/html/rsgb_lf_group/2009-01/msg00250.html (13,725 bytes)


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