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Search: Posts Made By: AF4MP
Forum: Reception Results - Recent Posts 28-03-2020, 00:57
Replies: 32
Views: 967
Posted By AF4MP
VOA Radio Marti DRM 7345 kHz

Today's reception report.

Longest uninterrupted period (1H 50m) between DReaM crashes.
Forum: Reception Results - Recent Posts 27-03-2020, 02:31
Replies: 32
Views: 967
Posted By AF4MP
VOA Radio Marti DRM 7345 kHz

Today's reception report.

The (local) afternoon signal strengths were low (presumably the skip was going long) varying from S9 down to S6 and causing DReaM to crash many times during this time...
Forum: Reception Results - Recent Posts 26-03-2020, 00:59
Replies: 32
Views: 967
Posted By AF4MP
VOA Radio Marti DRM 7345 kHz

Today's reception report.

Attachment 1: Longest audio period (1H 34m) not interrupted by a DReaM crash.

Attachment 2: End of received transmission(1H 08m).

Weird how the received signal strength...
Forum: Reception Results - Recent Posts 25-03-2020, 01:01
Replies: 32
Views: 967
Posted By AF4MP
VOA Radio Marti DRM 7345 kHz

Today's reception report.

At around 2000z the signal went through a period of fading and the decoded error rate increased resulting in a DReaM crash.

The last hour of the received transmission was...
Forum: Reception Results - Recent Posts 24-03-2020, 02:09
Replies: 32
Views: 967
Posted By AF4MP
VOA Radio Marti DRM 7345 kHz

Today's reception report.

Attachment 1: Longest audio period (1H 21m) not interrupted by a DReaM crash.

Attachment 2: Log of the last received signal and before last DReaM crash.
Forum: Reception Results - Recent Posts 23-03-2020, 00:24
Replies: 32
Views: 967
Posted By AF4MP
VOA Radio Marti DRM 7345 kHz

Today's reception report.

For some reason there were many software DReaM crashes. Two plots attached, one earlier in the afternoon, and the other, just before the signal dropped out completely at...
Forum: Reception Results - Recent Posts 22-03-2020, 03:13
Replies: 32
Views: 967
Posted By AF4MP
VOA Radio Marti DRM 7345 kHz

Today's reception report.

Thanks again to Terje who has been working on xHE-AAC updates to the DRM Log Plotter (Beta).

Attachment 1: Longest uninterrupted period (3H 01m) between DReaM...
Forum: Reception Results - Recent Posts 21-03-2020, 01:05
Replies: 32
Views: 967
Posted By AF4MP
VOA Radio Marti DRM 7345 kHz

Today's reception report.

Longest uninterrupted period (2H 52m) between DReaM crashes.
Forum: Reception Results - Recent Posts 20-03-2020, 15:16
Replies: 32
Views: 967
Posted By AF4MP
VOA Radio Marti DRM 7345 kHz

Yesterday's reception report (5H10m before DReaM crash).
Forum: Reception Results - Recent Posts 19-03-2020, 02:42
Replies: 32
Views: 967
Posted By AF4MP
VOA Radio Marti DRM 7345 kHz

Today's reception report.

Attachment 1: Longest audio period (2H 38m) not interrupted by a DReaM crash.

Attachment 2: Log of the last received signal and end of transmission.
Forum: Reception Results - Recent Posts 18-03-2020, 02:31
Replies: 32
Views: 967
Posted By AF4MP
VOA Radio Marti DRM 7345 kHz

Today's reception report.

Attachment 1: Longest audio period (2H 37m) not interrupted by a DReaM crash.

Attachment 2: Log of the last (1H 11m) of received signal before DReaM crash 1 hour before...
Forum: Reception Results - Recent Posts 17-03-2020, 02:25
Replies: 32
Views: 967
Posted By AF4MP
VOA Radio Marti DRM 7345 kHz

Today's SNR reception report.

As the latest DReaM software tends to crash, I used the earlier version (that does not decode xHE-AAC) to show the SNR (red line) for the entire 1700 - 0200z...
Forum: General Topics 16-03-2020, 17:26
Replies: 7
Views: 176
Posted By AF4MP
No. AAC (Advance Audio Coding) is one of the...

No. AAC (Advance Audio Coding) is one of the audio coding format standards.

Very simply, HE-AAC (High Efficiency Advance Audio Coding) is an upgrade to AAC. This is sometimes termed AAC+.

xHE-AAC...
Forum: Reception Results - Recent Posts 15-03-2020, 22:41
Replies: 32
Views: 967
Posted By AF4MP
VOA Radio Marti DRM 7345 kHz

Today's reception report.

A 1H52m reception report (longest uninterrupted).
Forum: Reception Results - Recent Posts 15-03-2020, 01:14
Replies: 32
Views: 967
Posted By AF4MP
Today's reception report. Attachment 1: Longest...

Today's reception report.

Attachment 1: Longest audio period (1H 22 min) not interrupted by a DReaM crash.

Attachment 2: Log of the last 1H 35m of the signal as received by a nearby KiwiSDR web...
Forum: Reception Results - Recent Posts 14-03-2020, 00:25
Replies: 32
Views: 967
Posted By AF4MP
VOA Radio Marti DRM 7345 kHz

Today's reception report.

A 5H33m uninterrupted log!

Local receiver sunset is 2344z. At about 2320z the signal started experiencing cyclic fading from the nominal S9+10dB down to S7 or lower, and...
Forum: Soundcard Issues 13-03-2020, 00:40
Replies: 4
Views: 150
Posted By AF4MP
My apologies; I knew that you would have first...

My apologies; I knew that you would have first carried out a reboot.
Forum: Reception Results - Recent Posts 13-03-2020, 00:20
Replies: 32
Views: 967
Posted By AF4MP
VOA Radio Marti DRM 7345 kHz

Today's reception report.

A 37 min reception report (longest uninterrupted).
Forum: Soundcard Issues 12-03-2020, 00:11
Replies: 4
Views: 150
Posted By AF4MP
Hi Fritz, I have had the same experience on my...

Hi Fritz,

I have had the same experience on my Win XP computer that I normally use for logging DRM transmissions (not the xHE-AAC ones).

Re-booting the computer solves the problem.
Forum: Reception Results - Recent Posts 12-03-2020, 00:03
Replies: 32
Views: 967
Posted By AF4MP
VOA Radio Marti DRM 7345 kHz

Today's reception report.

Attachment 1: Longest audio period (1H 1 min) not interrupted by a DReaM crash.

Attachment 2: last plot before signal drop at 2338z.
Forum: Reception Results - Recent Posts 11-03-2020, 16:21
Replies: 32
Views: 967
Posted By AF4MP
VOA Radio Marti DRM 7345 kHz

Yesterday's reception report.

Please note the poor receive antenna.

Attachment 1: Longest audio period (51 min) not interrupted by a DRreaM crash.

Attachment 2: last plot before signal drop at...
Forum: Reception Results - Recent Posts 10-03-2020, 00:54
Replies: 32
Views: 967
Posted By AF4MP
VOA Radio Marti DRM 7345 kHz

Today's reception report.

Attachment 1: Longest audio period (1 H 18 min) not interrupted by a DRreaM crash.

Attachment 2: Decoding termination at 0006z.
Forum: Reception Results - Recent Posts 09-03-2020, 01:40
Replies: 32
Views: 967
Posted By AF4MP
VOA Radio Marti DRM 7345 kHz

Today's reception report.

This was the only uninterrupted log recorded today. Didn't have time to check the computer this afternoon.
Forum: Reception Results - Recent Posts 09-03-2020, 01:31
Replies: 32
Views: 967
Posted By AF4MP
VOA Radio Marti DRM 7345 kHz

Saturday's reception report (7-March-20).

Longest audio period (2 H 12 min) not interrupted by a DRreaM crash.
Forum: Reception Results - Recent Posts 09-03-2020, 01:28
Replies: 32
Views: 967
Posted By AF4MP
VOA Radio Marti DRM 7345 kHz

Friday's reception report (6-March-20).

Signal loss due to propagation change at 0024z!
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