Hello Stefan I have two square loops, a long ferrite rod with preamp and a drum-shaped arrangement of ferrite rods with preamp ( I forget what it's called) so it's time to have a look at these again.
Hello Paul Just a reminder, which you probably don't need, to be careful where the 'scope probe is connected, especially the earth/ground clip, and it's possible that even the 'scope earth/ground mak
Hello RSGB LF group. What's running continuously on 137.378kHz, with a good signal strength, this weekend? I've lost information on any beacons or test transmissions apart from those from Mike, G3XDV
Hello Paul You can also introduce a small delay for each extra semiconductor junction in the driver path, some inverters are quite good for this. Obviously the gate waveform should be steep not overl
Hello David It looks as though Ofcom are abandoning any pretence at signal detection. Could this be the time to set up in business, given that a private company would have no effective teeth? Hugh, M
Hello Stan, W1LE You'll find that nylon is hygroscopic so not the best insulator when wet. 100% polyester is better but of course that's not taking into account dirt and and organic material incorpor
Hello Markus Certainly I can send or recevive JT9 but not duplex as the Rx and Tx are in different locations and so far, what with domestic maintenance....plumbing problems that is....summer is over,
Hello Mal I avoid providers like AOL and Yahoo, there's evidence of stored data, whereas with Blacksheep it's highly unlikely. Hugh, M0DSZ -- Receiving the following content -- From: mal hamilton Rec
Hello Markus I think it's because his locator is missing but that seems to be the same on WSPR2 and 15. 73, Hugh, M0DSZ -- Receiving the following content -- From: Markus Vester Receiver: rsgb_lf_gro
Hello Paul Conditions improved towards dawn. I only ran JT9-10 as I run WSPR2, WSPR15 & Opera together as well and don't normally know what the latest trend is. Considering there is a 200ft limestone
Hello Dimitrios Polypropylene capacitors can actually self-heal to such an extent that there's little left of them. The melting point of polypropylene is not very high and they can end up as just a l
Hello All I simply dislike Yahoo and many others because they have been known to collect personal data. It's bad enough trying to avoid Google but there are other sites like Facebook which really are
Hello Mike What's your usual starting time? Hugh M0DSZ [email protected] 03-02-2012 -- Receiving the following content -- From: Mike Dennison Receiver: rsgb_lf_group Time: 2012-02-02, 17:34:01 Sub
Hello to all effectively. It never ceases to amaze me how much some amateurs will spend on equipment including stuff they should be making themselves and then moan about the cost of the RSGB subscrri
Hello All. 136,174.3 is the nearest with this coarse teaking. I will have to make a coarse and fine adjustment. It's beacon mode QRSS at dot length 5 seconds. I haven't looked at other modes yet, bus
Hello Mike Beacon mode, 136.097 this morning but I will move 1kHz up asap. It's two crystals heterodyned with a semi-air spaced trimmer on one which has a positive temperature coefficient so it drift
Hello rsgb_lf_group. I hope to be QRP & QRSS this Saturday & Sunday from about 0900 GMT. Frequency will be 15Hz below 136.1kHz and power in less than 2W from a linear amplifier so it's unlikely to ge
