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Total 24 documents matching your query.

1. LF: receiving loop design (score: 1)
Author: "Soegiono, Gamal" <>
Date: Tue, 23 Nov 1999 15:50:04 +0100
Hello Bernd Grupe, hello All DF8ZR> Soegiono Gamal has built a loop recently. Well - the design of this loop is not based on my own... ...I should have pointed out this fact to Bernd a bit clearer. I
/rsgb_lf_group-archives/html/rsgb_lf_group/1999-11/msg00193.html (9,050 bytes)

2. LF: receiption report Nov. 24/1999 (score: 1)
Author: "Soegiono, Gamal" <>
Date: Thu, 25 Nov 1999 12:11:21 +0100
While testing RX antennas, observed CQ call: 20:08 - 20:20 UTC DL3FDO RST=339 on active ferrite rod indoor antenna (-111 dBm) RST=459 on active electric vertical outdoor antenna (-98 dBm) Best 73 de
/rsgb_lf_group-archives/html/rsgb_lf_group/1999-11/msg00211.html (7,881 bytes)

3. LF: Receiving on 137 kHz Band (score: 1)
Author: "Soegiono, Gamal" <>
Date: Thu, 20 Jan 2000 11:23:22 +0100
Dear LF friends Hope you all experienced a "good landing" in new year 2000. Using the DSP Receiver KWZ30 manufactured by Kneisner & Doering http://kd-elektronik.com/kwz30_e/index.html I come acros re
/rsgb_lf_group-archives/html/rsgb_lf_group/2000-01/msg00244.html (14,464 bytes)

4. LF: re Gamal's Rx report. (score: 1)
Author: "Soegiono, Gamal" <>
Date: Fri, 21 Jan 2000 12:14:56 +0100
Dear LF friends Thank you for the interest to my recent posting regarding receiving on 137 kHz Band. Unfortunately this escalated into a discussion on benefit or drawback on DSP in a receiver. This w
/rsgb_lf_group-archives/html/rsgb_lf_group/2000-01/msg00254.html (16,183 bytes)

5. LF: update on 'reeiving on 137 kHz' (score: 1)
Author: "Soegiono, Gamal" <>
Date: Mon, 24 Jan 2000 12:18:11 +0100
Dear LF friends, few details to add to my last message: ADC is actually a 18 bit resolution (Burr-Brown) DSP uses 16 bit for calculation DSP-1 determines the final IF BW and demodulates DSP-2 does no
/rsgb_lf_group-archives/html/rsgb_lf_group/2000-01/msg00283.html (8,224 bytes)

6. LF: DCF39 and DCF49 (score: 1)
Author: "Soegiono, Gamal" <>
Date: Fri, 28 Jan 2000 10:54:50 +0100
Dear LF friends who would like to know more details from stations DCF39 and/or DCF49 I am just compiling a list of details, facts, technical parameters which I will forward to the user of DCF39 and D
/rsgb_lf_group-archives/html/rsgb_lf_group/2000-01/msg00321.html (8,227 bytes)

7. LF: DCF39 and DCF49 (score: 1)
Author: "Soegiono, Gamal" <>
Date: Fri, 28 Jan 2000 11:25:44 +0100
Hello LF friends two questions regarding DCF39 and DCF49 (Q1) Who is able to receive either station from a distance of _more_ than 500 km ? (Q2) Who is able to _decode_ the signals from DCF39 and DCF
/rsgb_lf_group-archives/html/rsgb_lf_group/2000-01/msg00323.html (8,871 bytes)

8. LF: AW: Re: Transatlantic (score: 1)
Author: "Soegiono, Gamal" <>
Date: Fri, 28 Jan 2000 12:56:36 +0100
Dear Petr, OK1FIG> Interesting anyway, but is this still amateur radio transmission Please don't get me wrong. For my understanding, this is one and the same, amateur radio as well as scientific expe
/rsgb_lf_group-archives/html/rsgb_lf_group/2000-01/msg00326.html (10,051 bytes)

9. LF: DCF39 & DCF49 telecommand (score: 1)
Author: "Soegiono, Gamal" <>
Date: Thu, 3 Feb 2000 15:18:52 +0100
Dear LF friends thanks for your emails containing info about data sent by DCF39 & DCF49. If you look on www.efr.de, there is a schematic showing the telegram format which is used by both stations for
/rsgb_lf_group-archives/html/rsgb_lf_group/2000-02/msg00041.html (8,382 bytes)

10. LF: Decca (score: 1)
Author: "Soegiono, Gamal" <>
Date: Wed, 1 Mar 2000 08:25:05 +0100
Dear Vaino, just see your regular Decca FS measurements. Recognize that you "only" have measured the green channels. As far as I understand the working of Decca as a system, it consists of purple, ma
/rsgb_lf_group-archives/html/rsgb_lf_group/2000-03/msg00003.html (8,382 bytes)

11. LF: DCF39 update (score: 1)
Author: "Soegiono, Gamal" <>
Date: Mon, 10 Apr 2000 11:40:52 +0100
Hello All last saturday a "LF tactical team" took a close look on the DCF39 site in Burg near Magdeburg. The data presented previously in my station profile DCF39.TXT have to be updated: 1) One anten
/rsgb_lf_group-archives/html/rsgb_lf_group/2000-04/msg00108.html (10,669 bytes)

12. LF: Coil winding conundrum (score: 1)
Author: "Soegiono, Gamal" <>
Date: Wed, 12 Apr 2000 15:31:50 +0100
Hello Andy G4JNT G4JNT> Both coils were the same diameter, same inductance, and roughly No. Unless the "capacity" exhibits significant dielectric losses, great self capacitance does not harm in lieu
/rsgb_lf_group-archives/html/rsgb_lf_group/2000-04/msg00126.html (10,108 bytes)

13. LF: AW: 82.7kHz CW signal (score: 1)
Author: "Soegiono, Gamal" <>
Date: Wed, 10 May 2000 08:26:44 +0100
[Soegiono, Gamal] Hello Rik and all, RS> Some weeks ago someone (G3YXM ?) reported hearing Confirm receiption of a 2-tone FSK signal on 82k8 (approx) which just fits into 200 Hz of IF BW. According t
/rsgb_lf_group-archives/html/rsgb_lf_group/2000-05/msg00115.html (9,080 bytes)

14. LF: AW: Re: 82.7kHz CW signal (score: 1)
Author: "Soegiono, Gamal" <>
Date: Wed, 10 May 2000 08:33:36 +0100
Hello Dave and all, DS> You report a RTTY signal on 82.7. This one at around 81k1 is possibly GYN2 on 81k0 assigned freq. located at 00W10/51N30 (London), using F1B, occupying 190 Hz of BW and feedin
/rsgb_lf_group-archives/html/rsgb_lf_group/2000-05/msg00116.html (8,276 bytes)

15. LF: DQ0KBM logs (score: 1)
Author: "Soegiono, Gamal" <>
Date: Mon, 15 May 2000 09:39:19 +0100
Hello Alfred DF2BC, hello all While testing a mixer circuit, I came acros DQ0KBM transmissions: Saturday May 13/2000 11:45 UTC calling CQ on around 136.6 kHz a nice 6 dB above noise floor would repor
/rsgb_lf_group-archives/html/rsgb_lf_group/2000-05/msg00195.html (9,575 bytes)

16. LF: AW: Optimal width for LF? (score: 1)
Author: "Soegiono, Gamal" <>
Date: Mon, 15 May 2000 12:17:06 +0100
Hello Petr, OK1FIG PM> little questionnaire here? exclusively using aural method for copying signals below 150 kHz here. While in search mode I use 300 Hz For listening to one station I prefer 200 Hz
/rsgb_lf_group-archives/html/rsgb_lf_group/2000-05/msg00196.html (8,066 bytes)

17. LF: RE: RE: Re: Re: Earthing - correction (score: 1)
Author: "Soegiono, Gamal" <>
Date: Tue, 30 Jan 2001 11:28:24 +0100
Hello Martin an individual grounding rod when driven into soil builds up an electric field in the finite conducting and capacitively medium "soil". This field spreads out in a form of a cone (roughly
/rsgb_lf_group-archives/html/rsgb_lf_group/2001-01/msg00061.html (9,385 bytes)

18. LF: Mains Borne Noise (score: 1)
Author: "Soegiono, Gamal" <>
Date: Thu, 25 Jan 2001 09:07:40 +0100
Hello Costas, hello all, thank you for your interest on my isolation transformer solution and the suggestions you made. CK> The only problem with this approach is that in case of [use monospaced font
/rsgb_lf_group-archives/html/rsgb_lf_group/2001-01/msg00224.html (15,058 bytes)

19. LF: Mains Borne Noise (score: 1)
Author: "Soegiono, Gamal" <>
Date: Tue, 23 Jan 2001 11:44:33 +0100
Has anybody on the list got a "whole house" mains filter installed at their QTH? Not a "whole house" mains filter, but a radio room mains "filter". All main supply to my radio equipment is run via a
/rsgb_lf_group-archives/html/rsgb_lf_group/2001-01/msg00318.html (12,091 bytes)

20. LF: coil screening (score: 1)
Author: "Soegiono, Gamal" <>
Date: Mon, 15 Jan 2001 07:48:16 +0100
Hello Lech and all lining the antenna tuning house with screening is about standard in LF/MF transmitter installations. Screening of all six sides serves several tasks: provide short and low impedanc
/rsgb_lf_group-archives/html/rsgb_lf_group/2001-01/msg00564.html (9,991 bytes)


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