DRM Software Radio Forums  

Go Back   DRM Software Radio Forums > DRM Software Radio - User Forums > Reception Results - Recent Posts
User Name
Password
FAQ Members List Calendar Search Today's Posts Mark Forums Read

Reply
 
Thread Tools Search this Thread Display Modes
Old 30-04-2007, 04:10   #1
simone
simone
 
simone's Avatar
 
Join Date: Jan 2003
Location: Bad Salzschlirf, Hessen, Germany
Posts: 10,144
9870/ 9815 kHz HCJB test to Europe

New transmission from HCJB to Europe:

0400- 0630 UTC on 9870 kHz

Please post results here.

Currently only a weak signal and interference from the adjacent channel below, SNR about 4 dB.

Simone
Attached Images
File Type: gif 9870_HCJB.gif (12.9 KB, 299 views)
simone is offline   Reply With Quote
Old 30-04-2007, 04:42   #2
drmdab
Registered User
 
drmdab's Avatar
 
Join Date: Dec 2006
Location: Northern Germany
Posts: 686
Lightbulb

Very weak signal, SNR about 4-7 dB
Attached Images
File Type: png hcjbdrm.PNG (94.9 KB, 240 views)
__________________
RX: Elad FDM-S1
drmdab is offline   Reply With Quote
Old 30-04-2007, 04:54   #3
maxpower
Registered User
 
Join Date: Dec 2003
Location: Oldenburg, Germany
Posts: 479
Signal gets in here, but no audio :-(
(or lets say: a little bit of rumbling noise; problems with audio feed?)

More later.

Stephan
Attached Images
File Type: jpg hcjb.jpg (50.8 KB, 228 views)
__________________
"Pappradio" 2 SDR / Himalaya 2009, near Leer/Ostfriesland (Web remote-controlled) 15m Long-Wire / Active Deltaloop, Asus Xonar 192 kHz / Realtek HD Soundcard, Atom 330 ITX Mainboard, rural area; 53'10N, 7'27E;

Last edited by maxpower : 30-04-2007 at 04:58.
maxpower is offline   Reply With Quote
Old 30-04-2007, 05:01   #4
maxpower
Registered User
 
Join Date: Dec 2003
Location: Oldenburg, Germany
Posts: 479
Smile

Much better now at 5.00 UTC: Musica del ecuador!
__________________
"Pappradio" 2 SDR / Himalaya 2009, near Leer/Ostfriesland (Web remote-controlled) 15m Long-Wire / Active Deltaloop, Asus Xonar 192 kHz / Realtek HD Soundcard, Atom 330 ITX Mainboard, rural area; 53'10N, 7'27E;

Last edited by maxpower : 30-04-2007 at 05:03.
maxpower is offline   Reply With Quote
Old 30-04-2007, 05:05   #5
drmdab
Registered User
 
drmdab's Avatar
 
Join Date: Dec 2006
Location: Northern Germany
Posts: 686
Angry HCJB reception

South America in my World Traveller! But too weak signal for constant reception.



More later (of course)

Edit: A strong AM station has "joined" HCJB now.
__________________
RX: Elad FDM-S1

Last edited by drmdab : 30-04-2007 at 05:08.
drmdab is offline   Reply With Quote
Old 30-04-2007, 05:13   #6
maxpower
Registered User
 
Join Date: Dec 2003
Location: Oldenburg, Germany
Posts: 479
05.09 UTC: AM Signal startetd at 9865
So signal gets disturbed heavy.

@Doug: Maybe its possible to get up 5 kHz to 9875 khz the next days?
Attached Images
File Type: jpg hcjb2.jpg (32.6 KB, 228 views)
__________________
"Pappradio" 2 SDR / Himalaya 2009, near Leer/Ostfriesland (Web remote-controlled) 15m Long-Wire / Active Deltaloop, Asus Xonar 192 kHz / Realtek HD Soundcard, Atom 330 ITX Mainboard, rural area; 53'10N, 7'27E;

Last edited by maxpower : 16-05-2007 at 19:42.
maxpower is offline   Reply With Quote
Old 30-04-2007, 05:20   #7
Digger
Registered User
 
Digger's Avatar
 
Join Date: Mar 2005
Location: Shizuoka City, Japan
Posts: 9,750
Angry 30th April

Unfortunately a strong AM signal on 9865 kills most of the fun.
I started my log around 0420 UTC and the AM 5 kHz down was already causing heavy QRM at that time. Yes, no audio, just a lot of "empty" bits in the wav file. Then at 0500 after the time signal I got audio. The SNR with and without decoded audio is about 20 dB.


0600 UTC: Now perfect reception! The antenna signal is about +30 dBuV.
Attached Images
File Type: png snr_spectrum_M_filter.png (19.0 KB, 237 views)
__________________
Regards,
Terje

https://www.hobbyradio.se/en/drm/web....index_en.html

Last edited by Digger : 30-04-2007 at 06:11. Reason: Perfect from 0600 UTC
Digger is offline   Reply With Quote
Old 30-04-2007, 05:39   #8
Funkerberg
Registered User
 
Join Date: Jul 2005
Location: Königs Wusterhausen, near Berlin
Posts: 77
weak signal, only Frame Sync, no Label :-(
Attached Images
File Type: jpg 9870-HVJB-070430.jpg (67.7 KB, 203 views)
__________________
www.funkerberg.de !!! R U N D F U N K S T A D T Königs Wusterhausen
www.knallfunke.de +++ Die Projektseite des Funkerberges +++
Funkerberg is offline   Reply With Quote
Old 30-04-2007, 06:11   #9
Baldo34
Registered User
 
Baldo34's Avatar
 
Join Date: Apr 2003
Location: Bad Wildungen, Germany
Posts: 121
Good reception after 06:00 UTC.
See screenshot.
73, Klaus
Attached Images
File Type: gif 9870_3004.gif (48.4 KB, 215 views)
__________________
Equipment: Winradio WR-G303i
magnetic longwire balun (12,5 m)
DX-10 active antenna
http://www.drm-dx.de
Baldo34 is offline   Reply With Quote
Old 30-04-2007, 06:15   #10
drmdab
Registered User
 
drmdab's Avatar
 
Join Date: Dec 2006
Location: Northern Germany
Posts: 686
Smile

78% audio since 0800 UTC.

It might be the first low-German program on DRM!
__________________
RX: Elad FDM-S1
drmdab is offline   Reply With Quote
Old 30-04-2007, 06:38   #11
Funkerberg
Registered User
 
Join Date: Jul 2005
Location: Königs Wusterhausen, near Berlin
Posts: 77
and now with some seconds audio :-)
Attached Images
File Type: png 9870_070430_0523_funkerberg.png (29.3 KB, 214 views)
__________________
www.funkerberg.de !!! R U N D F U N K S T A D T Königs Wusterhausen
www.knallfunke.de +++ Die Projektseite des Funkerberges +++
Funkerberg is offline   Reply With Quote
Old 30-04-2007, 06:47   #12
maxpower
Registered User
 
Join Date: Dec 2003
Location: Oldenburg, Germany
Posts: 479
@DRMDAB: You are probably right with the first transmission in low german

Here's my log from this (first) morning. Not that bad with much QRM from 9865kHz.

Note: The first zwo peaks (04.10 UTC and 04.25 UTC) are not from hcjb!I tried to get DW after some minutes of quiteness at 9870 to assure that my web-controlled receiver works properly. It seems like Dream did not recognized that.
The HCJB Signal rises arround 4.30UTC (about 1 hour after sunrise?!).

Some of the dropouts (most in the last half hour) are caused by (about all 10 minutes recurring and through all am-bands) local noise which is arround at the whole neighbourhood. If i only knew what causes that?!?


73, Stephan
Attached Images
File Type: gif hcjb-drmcalc.gif (81.0 KB, 234 views)
File Type: gif hcjb-local-noise.gif (88.3 KB, 242 views)
__________________
"Pappradio" 2 SDR / Himalaya 2009, near Leer/Ostfriesland (Web remote-controlled) 15m Long-Wire / Active Deltaloop, Asus Xonar 192 kHz / Realtek HD Soundcard, Atom 330 ITX Mainboard, rural area; 53'10N, 7'27E;

Last edited by maxpower : 30-04-2007 at 07:04.
maxpower is offline   Reply With Quote
Old 30-04-2007, 06:50   #13
Sixten
Registered User
 
Sixten's Avatar
 
Join Date: Jun 2005
Location: N59° 37' / E17° 50' Marsta Sweden
Posts: 2,894
Thumbs up 30 Apr.

Good morning all.

Her is my log .only last 38min. but transmitter from HCJB on 4Kw give very god "Super " signal her in Sweden. Absolute clear cannel from QRM and very stablie signal stringth S7/S9 under all 38min.

Low bitrate on 11.64kbps give only telephone audio on 4.5Khz.CDA 98%ok



3 TX brake 0617 0621 and 0628 UTC !!!

Sorry TX location and distance not OK .
Attached Images
File Type: png 9870_070430_0549_SM5DAJ_Sixten.png (30.1 KB, 220 views)
File Type: jpg HCJB GlobalVoice_input_PSD.jpg (63.5 KB, 217 views)
__________________
Sixten SM5DAJ

http://sm5daj.se

Last edited by Sixten : 30-04-2007 at 07:52.
Sixten is offline   Reply With Quote
Old 30-04-2007, 07:02   #14
Digger
Registered User
 
Digger's Avatar
 
Join Date: Mar 2005
Location: Shizuoka City, Japan
Posts: 9,750
To add to my first entry, here is the log from Switzerland. Unfortunately, there were three TX breaks at 0615, 0619 and around 0626 UTC, otherwise the last 28 minutes were perfect. I added Pifo in the log list, my distance to the TX should be OK.

PS: Even Morphy enjoyed receiving DX signals from overseas...
Attached Images
File Type: png 9870_070430_0420_HED362.png (29.8 KB, 208 views)
File Type: jpg morphy_richards9870.jpg (15.7 KB, 226 views)
__________________
Regards,
Terje

https://www.hobbyradio.se/en/drm/web....index_en.html

Last edited by Digger : 30-04-2007 at 07:09. Reason: Even Morphy enjoyed receiving DX signals ;-)
Digger is offline   Reply With Quote
Old 30-04-2007, 15:19   #15
drmdab
Registered User
 
drmdab's Avatar
 
Join Date: Dec 2006
Location: Northern Germany
Posts: 686
News from Ecuador

I wrote to Iris Rauscher (German service) about the reception conditions this morning. She just answered my message and said it might be possible to go up 5 kHz.

But I think you know more, Doug?

They have got a very nice QSL card (train) for DRM reports: drm @ hcjb.org.ec
Or to the German service: german @ hcjb.org.ec

Have a nice evening

Douglas Kähler
Attached Images
File Type: jpg 2007_S_DRM und 21455low.JPG (71.0 KB, 239 views)
__________________
RX: Elad FDM-S1
drmdab is offline   Reply With Quote
Reply


Thread Tools Search this Thread
Search this Thread:

Advanced Search
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

vB code is On
Smilies are On
[IMG] code is Off
HTML code is Off
Forum Jump


All times are GMT. The time now is 17:20.


Powered by vBulletin Version 3.5.3
Copyright ©2000 - 2019, Jelsoft Enterprises Ltd.