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View Full Version : TDF on 3965 kHz Issoudun/ RFI

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simone
06-01-2011, 14:47
Not too bad in the first hour, problems with interference later.
Simone
simone
09-01-2011, 05:53
Seems there was no transmission the past two nights.
Simone
simone
11-01-2011, 04:04
Good to see the signal was back yesterday, not bad in the first hour of my log last night, problems with interference later.
Simone
simone
14-01-2011, 16:04
Results from last night, no signal received the night before until 0500 AM.
Simone
simone
17-01-2011, 17:12
Results improved again last night.
Simone
FritzWue
18-01-2011, 08:05
BBC WS 10 kHz down in DRM is very strong making reception difficult:
Digger
18-01-2011, 08:26
Still suffering from jet-lag, so my log was taken a little bit earlier. ;)
But the reception was not so good anyway. Only 77% decoded audio in this 65 minutes long log.
simone
20-01-2011, 04:10
Pretty good results until interference started at 0115, also good after 0230 for one hour.
Simone
FritzWue
20-01-2011, 06:10
Unattended overnight log, not quite as good as Simone's result:
FritzWue
23-01-2011, 07:20
When I leave the dead zone of Skelton on 3955 kHz there is no chance of reception until the BBC shuts down.
simone
24-01-2011, 18:00
Results from last night, best part from 0300- 0430.
Simone
Digger
27-01-2011, 07:40
A 10 1/2 hours log. The best part was between 2320 - 0455 UTC with 96% CDA. Between 5 and 6 UTC there was virtually nothing receieved.
FritzWue
29-01-2011, 16:38
AM ontop after 17:30 UTC:
FritzWue
30-01-2011, 17:02
Unattended log:
df9rb
31-01-2011, 15:50
Hi all,

this recording was done via a Perseus server in South East Germany. The antenna was a 250 m long beverage. Some interruption were caused by the not always continuous datastream over internet.

Bernd, DF9RB
simone
01-02-2011, 15:39
Not too bad during two hours when BBC WS is in the adjacent channel with a much stronger signal than RFI.
Simone
FritzWue
04-02-2011, 15:24
Drensteinfurt-B58-A1-A43-Appelhuelsen
simone
06-02-2011, 09:34
Not bad in the beginning until interference started at 0120 as usual, signal disappeared completely at 0400.
Simone
simone
10-02-2011, 17:18
Problems with interference again last night.
Simone
simone
12-02-2011, 11:31
Better conditions last night, great results until interference started at 0122, overall better than the past nights.
Simone
FritzWue
13-02-2011, 07:07
Unattended log:
FritzWue
15-02-2011, 08:29
Acceptable until 09 UTC:
Digger
15-02-2011, 09:10
Very unstable here, so I switched over to REE instead.
simone
20-02-2011, 16:20
Better results last night, except the usual hour with interference.
Simone
simone
21-02-2011, 15:55
Quite good results in the first hour of my log last night.
Simone
simone
28-02-2011, 19:51
The first hour was quite good again last night, also better towards the end of my log.
Simone
FritzWue
02-03-2011, 08:49
Fading out slowly:
Digger
04-03-2011, 08:56
First 3/4 hour was good, then something fired up and destroyed the reception to a large extent.
simone
10-03-2011, 04:08
Rather good from 0300- 0430, then signal almost disappeared.

Simone
FritzWue
12-03-2011, 16:20
After 17:00 UTC AM ontop.
Digger
18-03-2011, 09:07
It looks like the reception here is better if you compare this seven and a half hours long log from last night with Simone's from the 10th March.
simone
18-03-2011, 13:09
Conditions have improved here too, better results last night.
Simone
Digger
22-03-2011, 08:06
Seems like 0820 UTC marks the end of reliable reception here at this time of the year.
FritzWue
27-03-2011, 09:22
Not bad at 1kW level:
simone
02-04-2011, 15:17
Results from last night, seems that co-channel interference at 0115- 0230 is not there in A11.
Simone
FritzWue
05-04-2011, 06:20
Not so good:
FritzWue
07-04-2011, 08:53
Usable until 07:40 UTC:
simone
08-04-2011, 05:24
Not too bad from 0100 last night.
Simone
f1tay
08-04-2011, 11:47
Réception ŕ Paris, 221 km d'Issoundun, de jour.
FritzWue
10-04-2011, 07:01
Bad impulse shape today:
FritzWue
22-04-2011, 07:36
Fades out after 07 UTC:
simone
24-04-2011, 16:21
No interference problems as during the winter schedule, but overall not so good these days.
Simone
simone
01-05-2011, 06:24
Results improved from 0245 last night.
Simone
simone
05-05-2011, 05:08
Results improved in the early morning, almost perfect from 0230.
Simone
FritzWue
14-05-2011, 07:19
Reception after BBC on 3955 kHz switched off:
simone
24-05-2011, 04:08
Quite good results last night, my best results in weeks.
Simone
simone
12-06-2011, 06:09
Not too bad from 0150 last night.
Simone
simone
27-06-2011, 15:40
No signal received the past two nights.
Simone
F6AJW
28-06-2011, 13:08
Hi Simone and all,

TX Problems (switch down) related to high temperature in Issoudun (39)C yesterday afternoon.

Jacques
simone
09-07-2011, 06:15
Not so good these days, best time was 0100- 0300.
Simone
F6AJW
09-07-2011, 07:48
Not so good these days, best time was 0100- 0300.
Simone

Summer conditions?

Jacques :confused:
simone
09-07-2011, 09:18
Bonjour Jacques,
Summer conditions?

Jacques :confused:
yes, I guess I can not expect more with summer conditions here.

Regards,
Simone
FritzWue
19-07-2011, 06:40
The days are getting shorter, the log is getting better. :)
simone
28-07-2011, 17:12
Not really good last night but much better than the previous nights, at least until 02:30.
Simone
FritzWue
29-07-2011, 06:47
Still too much static noise in the morning:
simone
23-08-2011, 16:39
Seems there were no transmissions the past two nights!?
Simone
Digger
09-10-2011, 08:39
An overnight log, but I cut the plot short as there was virtually nothing worth mentioning between 2340-0400.
FritzWue
10-10-2011, 19:17
In all the total readability was better than the log suggests.
For me the audio quality is about the acceptable DRM minimum.
simone
26-10-2011, 17:31
No decoding from TDF last night as Dream locked on the signal from Vesti FM on 3970 kHz.
Simone
FritzWue
30-10-2011, 17:27
Decoding was best on my 31m quad antenna. :confused:
Starting 18:00 UTC AM ontop, no chance. :(
FritzWue
04-12-2011, 16:07
Afternoon reception result, russian AM starting ontop at 17:00 UTC:
simone
15-12-2011, 17:13
Typical results these days (nights), not too bad in the first hour, then strong AM co-channel interference from 0120- 0230, later interference from the adjacent channel above.

Simone
F6AJW
15-12-2011, 17:23
Thanks Simone,

ISS 1kW Transmitter still going well... Not bad without QRM?

Jacques
FritzWue
18-12-2011, 08:01
Some reception possible in the morning after BBC Skelton on 3955 kHz shuts down:
FritzWue
08-01-2012, 16:14
Just when reception was getting better Teheran started in AM on frequency in russian.
simone
11-01-2012, 19:37
Seems it does not get better than this, always periods with strong AM interference.
Simone
FritzWue
14-01-2012, 16:03
99.5% CDA with vertical antenna until Teheran blocked the frequency with AM.
F6AJW
14-01-2012, 21:09
Very good, Fritz!

Jacques
FritzWue
15-01-2012, 07:38
Test in the morning with the sun in the sky: :)
simone
29-01-2012, 16:05
Starterd not too bad in the first hour, then again the typical interferences.
Simone
FritzWue
29-01-2012, 19:06
Not bad in the evening:
FritzWue
04-02-2012, 16:21
A thunderstorm over Greece was strong here, short after 17 UTC AM ontop.
FritzWue
25-02-2012, 18:13
Too much interference after 18:00 UTC, DReaM finally crashed.
Digger
02-04-2012, 20:40
Too much Fading caused dropouts all the time.
FritzWue
08-04-2012, 19:28
Not enough audio to understand any useful information: