OK, R7NT detected! I have now frequency drift on the grabber (charger was off and then on) :) Attachment: r7nt-ebnaut-1130z-rawsims.png Description: PNG image Attachment: r7nt-ebnaut-1130z.png Descri
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'
I need to delay that experiment by one day. There will be some workers on the roof tomorrow. My 2970 Hz transmission will end today 23:30 UTC. 73, Stefan Am 06.02.2017 20:13, schrieb Alex K:
Stefan wrote: A good transmission this time. Decoded here Eb/N0 = +7.6 dB. Just for fun I decoded it on the RPi model 2, it took 20 seconds to decode. Now over to Alex - good luck! -- Paul Nicho
Hello Stefan, VLF ... and new decode again! ebnaut-rx V0.5 input file C:\EbNaut\ebnaut19_FEB_0026_8270-1pps.wav sample rate 0.342935 per second rx frequency 8270.1 file start time 2017-02-18 17:48:44
Stefan wrote: Another solid transmission: carrier Eb/N0: 10.6 dB carrier S/N: 27.20 dB in 24.8 uHz Peaking at offset +0.37 seconds. Eddie wrote: Here in the E-field carrier Eb/N0: 3.9 dB carrier
Stefan wrote: Getting good readings from the excellent signal. So far we have, S/N in 92.6 uHz and absolute phase 20:00 to 23:00 19.6 dB +14.5 deg 0.25 fT 23:00 to 02:00 14.5 dB -3.2 deg 0.22 fT
Hello VLF, Stefan I think I have only false decodes of {05 May 19:15 8270.1 4-char} and {06 May 18:10 6470.1 2-char} transmissions. Also no decodes of 75 and 100 char transmissions... Here all these
Hello Stefan, I have two free days and my old VLF grabber in ko85ha is now running for 2-3 weeks! 6470 and 5170 Speclab-ebnaut instances are active. I will periodically visit my grabber (as in Februa
Hi Joe, VLF, Same problem at RC4HAA. They put their grabber online at http://136.su/grabber/ and granted remote acces to their PC. The PPS looks like in the attachment. Looks like a C is sho
Well done, that's a new distance record for 5170 Hz. What was Eb/N0 on the 23rd only? -- Paul Nicholson -- Attachment: 5170-23okt2017-180s-1ch-=.png Description: PNG image
Hello Riccardo, VLF! Looks like I have something! After weighted stacking of 3 nights of 3 char transmissions EbNaut software produce decode : ebnaut-rx V0.7a input file C:\EbNaut\IW4DXW\sum3charweig
Hello Riccardo, VLF! Looks like I have something! After weighted stacking of 3 nights of 3 char transmissions EbNaut software produce decode : ebnaut-rx V0.7a input file C:\EbNaut\IW4DXW\sum
Thanks Marcin, A lovely capture. Seasons greetings to all! Joe VO1NA On Mon, 25 Dec 2017, Marcin wrote: Attachment: VO1NA-25dec17.png Description: PNG image
Hi Roman and all! 200 meters vertical antenna! Are you using some decommissioned LF site? Can you post some photos of your installation? Many compliments. Domenico, IZ7SLZ On Wed, 11 Jul 201