Return to KLUBNL.PL main page

Search String: Display: Description: Sort:

Results:

References: [ +from:: 743 ]

Total 743 documents matching your query.

1. Re: LF: SAQ reports (score: 1)
Author: "Roelof Bakker" <>
Date: Thu, 03 Jul 2014 22:38:00 +0200
Hello Clemens, Thank you for your comments. Yes, VLF reception with this antenna is great. I can listen to the ALPHA stations in SSB mode and enjoy the choir! 73, Roelof, PAoRDT
/rsgb_lf_group-archives/html/rsgb_lf_group/2014-07/msg00003.html (8,428 bytes)

2. Re: LF: 474.2 WSPR across the pond (score: 1)
Author: "Roelof Bakker" <>
Date: Fri, 01 Aug 2014 11:11:39 +0200
Hello John, Conditions have been raving the last month and still do. On July 17, I logged 34 Canadian NDB's by aural copy and managed to find three new ones. Conditions are more like winter at low su
/rsgb_lf_group-archives/html/rsgb_lf_group/2014-08/msg00004.html (9,618 bytes)

3. Re: LF: Receivers for LF and MF 136 KHz @ 477KHz ??? (score: 1)
Author: "Roelof Bakker" <>
Date: Fri, 08 Aug 2014 13:59:28 +0200
Hello Graham, An other good receiver is the ELAD FDM-S2 SDR, albeit a bit more costly than the Afedri. I believe you can set up four receivers with the software. Hartmut from Germany uses one for mon
/rsgb_lf_group-archives/html/rsgb_lf_group/2014-08/msg00042.html (10,441 bytes)

4. Re: LF: RE: Re: Testing now a new RX antenna on MF (score: 1)
Author: "Roelof Bakker" <>
Date: Fri, 08 Aug 2014 19:55:08 +0200
Hello Clemens, E.g., if your FFT is set to a bin width of say 5Hz and a carrier lies 20dB over the DANL (displayed average noise level) it will have a SNR of zero dB in a 500Hz "IF"-bandwidth and the
/rsgb_lf_group-archives/html/rsgb_lf_group/2014-08/msg00047.html (12,221 bytes)

5. Re: LF: T/A on 472kHz WSPR (score: 1)
Author: "Roelof Bakker" <>
Date: Sat, 27 Sep 2014 09:46:03 +0200
Hello all, Against all odds, I am pleased to report reception of WG2XJM on WPSR 630m. 2014-09-27 03:28 WG2XJM 0.475775 -27 0 EN91wr +40 10.000 PA0RDT JO11tm 6131 3810 2014-09-27 02:44 WG2XJM 0.475775
/rsgb_lf_group-archives/html/rsgb_lf_group/2014-09/msg00124.html (10,249 bytes)

6. Re: LF: ZEVS RX ant question, now success (score: 1)
Author: "Roelof Bakker" <>
Date: Sat, 04 Oct 2014 21:20:19 +0200
Hello Stefan, I came across this paper: http://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/19940020710.pdf It might be of interest for your ELF endeavor! 73, Roelof Bakker, PAoRDT
/rsgb_lf_group-archives/html/rsgb_lf_group/2014-10/msg00078.html (9,735 bytes)

7. Re: LF: Naval VLF, LF, and MF Communication Systems (score: 1)
Author: "Roelof Bakker" <>
Date: Sun, 02 Nov 2014 11:40:39 +0100
Hello Wolf, Thank you for the link. Interesting stuff! 73, Roelof, PAoRDT
/rsgb_lf_group-archives/html/rsgb_lf_group/2014-11/msg00017.html (8,546 bytes)

8. Re: Fw: LF: MF: VO1NA (was: VO1NA de F6CNI : 136K OP32) (score: 1)
Author: "Roelof Bakker" <>
Date: Tue, 04 Nov 2014 11:07:14 +0100
Hello all, VOCM on 590 kHz has been arm chair copy in the past around my local sunrise. I have been monitoring reception of Canadian NDB's every night for years now and I am sorry to say that propaga
/rsgb_lf_group-archives/html/rsgb_lf_group/2014-11/msg00047.html (11,575 bytes)

9. Re: LF: VO1NA on 472kHz (score: 1)
Author: "Roelof Bakker" <>
Date: Thu, 13 Nov 2014 11:41:56 +0100
Hello Mike, Sorry for the question, but what is Joe's transmitting frequency. I should like to look for it on my overnight spectrum recording. Thank you in advance. 73, Roelof, PAoRDT
/rsgb_lf_group-archives/html/rsgb_lf_group/2014-11/msg00157.html (8,317 bytes)

10. Re: LF: CW 477.7 kHz (score: 1)
Author: "Roelof Bakker" <>
Date: Sun, 16 Nov 2014 11:52:32 +0100
Hello Joe, T/A propagation has been poor lately and last night was no exception. The only NDB from Newfoundland I heard was AY-356, St. Anthony and very weak at that! When conditions are good, I can
/rsgb_lf_group-archives/html/rsgb_lf_group/2014-11/msg00195.html (11,478 bytes)

11. Re: LF: CW 477.7 kHz (score: 1)
Author: "Roelof Bakker" <>
Date: Sun, 16 Nov 2014 17:16:39 +0100
Hello Alan, Propagation above 200 kHz has been rather poor the last month. As soon as the band starts to recover, another blast from the sun fills the glass to the rim once more, so to speak. In my e
/rsgb_lf_group-archives/html/rsgb_lf_group/2014-11/msg00201.html (12,207 bytes)

12. Re: LF: CW 477.7 kHz (score: 1)
Author: "Roelof Bakker" <>
Date: Mon, 17 Nov 2014 12:47:56 +0100
Hello Joe, Your signal was much better than the night before and peaked around 01:20 UTC. I made an Audacity recording, which has not been processed. So, this is exactly how it sounds in my headphone
/rsgb_lf_group-archives/html/rsgb_lf_group/2014-11/msg00222.html (9,904 bytes)

13. LF: MSF on 60 kHz off (score: 1)
Author: "Roelof Bakker" <>
Date: Tue, 18 Nov 2014 12:10:24 +0100
Hello all, For those interested, MSF on 60 kHz is off at the moment from 10:00 till 16:00 UTC. The same is planned for tomorrow. I can hear another time stations on channel. I wonder if it is JJY-60
/rsgb_lf_group-archives/html/rsgb_lf_group/2014-11/msg00225.html (9,338 bytes)

14. Re: AW: LF: CW 477.7 kHz (score: 1)
Author: "Roelof Bakker" <>
Date: Tue, 18 Nov 2014 12:16:22 +0100
Hello Joe, No joy last night. Weak signals over the course of the night and no chance for aural copy. 73, Roelof, PAoRDT
/rsgb_lf_group-archives/html/rsgb_lf_group/2014-11/msg00226.html (11,415 bytes)

15. Re: LF: 23:54 477 VO1NA de F6CNI Op8 -21 dB F:9% in JN19QB (score: 1)
Author: "Roelof Bakker" <>
Date: Thu, 27 Nov 2014 21:12:20 +0100
Hello Joe, I have just set up my PERSEUS for reception of OP8. What time do you start your transmissions? 73, Roelof, PA0RDT
/rsgb_lf_group-archives/html/rsgb_lf_group/2014-11/msg00273.html (10,343 bytes)

16. Re: LF: 23:54 477 VO1NA de F6CNI Op8 -21 dB F:9% in JN19QB (score: 1)
Author: "Roelof Bakker" <>
Date: Thu, 27 Nov 2014 21:16:08 +0100
Hello Mal, Your OP8 signal is 40 dB above my noise floor in JO11tm.... 73, Roelof, PA0RDT
/rsgb_lf_group-archives/html/rsgb_lf_group/2014-11/msg00274.html (9,651 bytes)

17. Re: LF: 23:54 477 VO1NA de F6CNI Op8 -21 dB F:9% in JN19QB (score: 1)
Author: "Roelof Bakker" <>
Date: Thu, 27 Nov 2014 21:32:55 +0100
Hello Graham, The software was very easy to set up. The only problem was that I had not yet installed VSPE, due to lack of use for it. Once VSPE was running Opera went very smooth. One question: I ca
/rsgb_lf_group-archives/html/rsgb_lf_group/2014-11/msg00276.html (11,081 bytes)

18. Re: LF: 23:54 477 VO1NA de F6CNI Op8 -21 dB F:9% in JN19QB (score: 1)
Author: "Roelof Bakker" <>
Date: Fri, 28 Nov 2014 17:22:44 +0100
Hello Jan, Thanks! I shifted my receiver 50 Hz and got a solid decode. 73, Roelof, PA0RDT It's LA3EQ for some reason he is just on the edge. Roelof Bakker schreef op 27-11-2014 om 21:32: One question
/rsgb_lf_group-archives/html/rsgb_lf_group/2014-11/msg00288.html (11,935 bytes)

19. Re: LF: WH2XIL137.7798 (score: 1)
Author: "Roelof Bakker" <>
Date: Fri, 28 Nov 2014 17:28:25 +0100
Hello Hartmut, Antenna was only a miniwhip instead of the usual K9AY loop. This made my day! 73, Roelof Bakker
/rsgb_lf_group-archives/html/rsgb_lf_group/2014-11/msg00289.html (8,607 bytes)

20. Re: LF: 23:54 477 VO1NA de F6CNI Op8 -21 dB F:9% in JN19QB (score: 1)
Author: "Roelof Bakker" <>
Date: Fri, 28 Nov 2014 18:10:29 +0100
Hello Joe, The sun has been quiet for ten days and that often is a good indicator for T/A propagation at LF/ MW. However, there is a large thunderstorm over southern France, playing havoc here. Graha
/rsgb_lf_group-archives/html/rsgb_lf_group/2014-11/msg00293.html (12,091 bytes)


This search system is powered by Namazu