Hi VLF, Tomorrow starting 7 UTC i'm going to run a carrier on 8270.005 Hz. It will run for a few hours during the low QRN period. Just in case someone wants to try to receive... 73, Stefan PS: 600 mA
I am confused by this announcement. From the date stamp, Stefan seems to be announcing that he will transmit on Saturday, but Markus reports him on Friday. Which day will Stefan transmit his carrier?
Hello Mike, I'm sorry, it was late in the night and i was already a bit sleeping it seems :-) I am transmitting RIGHT NOW! So give it a try :-) Watch the grabbers to see whats actually going on... 73
Hello Uwe, Your signal looks nice on Pauls grabber. Is the new ALU tower higer than the tree before? Did you ground it to the VLF earth? Are you now getting more antenna current? How much? Markus, wi
Hello Markus, The coil+antenna is running at 25 kV now. And quite relaxed! Not a trace of partial discharges on the top of the coil. It looks like this can be done regularly from now on, so don't str
Since yesterrday afternoon, my VLF "6000" grabber has been augmented by phase-colour of Stefan's carrier, referenced to SpecLab's internal GPS-locked generator.. During the evening, the colour change
A couple of nice signals on 8270 tonight! http://abelian.org/vlf/tmp/170128b.png The antenna points to Heidelberg so Uwe's signal is unfairly plotted. -- Paul Nicholson --
Hello Paul, VLF, thanks for the very nice illustration, i also like the colours and sharp peaks. Congrats to Uwe! I need to stop transmitting at 2 UTC, some rain is annonced a few hours later. The co
With the antenna now pointing towards Uwe, Stefan still has the strongest signal on a longer measurement http://abelian.org/vlf/tmp/170128c.png DK7FC 881.2 km bearing 118.4 DJ8WX 762.2 km bearing 83.
Here's my plot of Stefan's signal from the weekend http://abelian.org/vlf/tmp/170129b.png I've removed the phase reversal and subtracted the mean phase. -- Paul Nicholson --
Stefan's signal in 46.3 uHz bins, 6 hours of signal starting from 20170127 20:00 UTC. QTH is Warsaw/Poland. Analysys is done using Paul's wonderful vlfrx-tools. The sound card is locked to GPS. VY 73
Signal at 8269.995Hz in 46.3 uHz bins, 12 hours of signal starting from 20170129 00:00 UTC. QTH is Warsaw/Poland. Not sure who's signal this is (i think Uwe's?). VY 73 Jacek / SQ5BPF Attachment: 2017