Ok Thanks Clemens, I dont think we could have chosen a more interesting hobby if we had tried. I will post on the reflector how every things goes over the weekend and hope to be ready for Chris's nex
Hi Stefan and all others. Thank you for your most useful replies, the reasons I asked this question are as follows, firstly I was hoping to construct one this weekend possibly from components in my s
Clements. The filter will be terminated with an onboard 50 ohm resistor. 73. Ken M0KHW -- Original Message -- From: [email protected] Clemens Paul To: [email protected] rsgb_lf_group@blackshee
Hello Jim. I sorry if have caused every one a few problems tonight, but it certainly shows how complex our hobby is I must admit I was only concentrating on the output side of the filter and not the
Hi Chris. Connected my antenna to pc soundcard and ran basic Winrad did not see anything in Luton. 73 Ken M0KHW -- Original Message -- From: [email protected] Chris Osborn To: rsgb_lf_group@blackshee
The WX here on the NE COAST severe for the UK, temp -7c at present fortunately all antennas from LF upwards working well. Qrv all bands. nw CQ on 502.6 Kcs and 137 Kcs CW. and QSX 7033 Kcs for xband
Hi Chris. Just tried the link , the item has been removed, is 'RF Padboard; the recconised name for it? 73s. Ken M0KHW Investigate RF Padboard :...... http://cgi.ebay.ie/RF-Matrix-PadBoard-149x114x1-
Mal I still have some work to do in the shack,need to get to grips with Winrad could not change the frequency to give more than 200Hz viewing, also the bandwidth is only between 5Hz and 23Hz, when ch
You are out of date Mal, now £145.50. Hope to be back on 500kHz shortly, unless the marine people have taken it away from us with their new system 73. Ken M0KHW Confucius he say IF IT IS NOT PAYING C
Hi Stefan. I have just completed your VLF Active Antenna except for the 4:1 transformer, considering all my previous correspondence regarding sound card microphone input impedances being anywhere bet
Hello Roelof. Very interesting, I am just about to commission my MiniWhip, the hold up has been several things, firstly winding a high value power take-off inductor, but mainly what to seal the ends
Hi Joe. Just place a suitable resistor in the dc feed to the FET so that when the max FET current flows there is 0.7v across this resistor, then connect the base and emitter of a transistor across th
Modern enamelled wire with pink/red insulation is usually self fluxing. Ken. M0KHW As a radio amateur why do you ask such a question? In the radio amateur world everything evolves around copper ename
Hi All. Try the Scientific Wire Company http://www.scientificwire.com/ They supply the small reels to Maplin etc, their insulation is still the traditional brown/gold colour, not sure if this is self
Hello All. Were there any Alpha Stations transmitting on 9.941 at 13.30 UTC?, I was checking to see I my Stefan 2 - 24 kHz preamp was working using Winrad and saw a small peak 9.941 about 15dB above