Signal Identification Help

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Pulsing DTMF tones all over the spectrum?

Last post by Divarin « Fri Oct 16, 2020 2:26 pm

by Divarin » Fri Oct 16, 2020 2:26 pm

0 Replies

135 Views

Last post by Divarin
Fri Oct 16, 2020 2:26 pm
About 40 signals around 430Mhz in France (audio sample)

Last post by fe8769a « Fri Oct 16, 2020 2:11 pm
Replies: 3
by JayMore » Wed Aug 19, 2020 4:02 pm

3 Replies

733 Views

Last post by fe8769a
Fri Oct 16, 2020 2:11 pm
electric meter on 868mhz - is this correct?

Last post by feli53 « Sun Oct 11, 2020 11:01 am

by feli53 » Sun Oct 11, 2020 11:01 am

0 Replies

163 Views

Last post by feli53
Sun Oct 11, 2020 11:01 am
Is this interference i see at 137MHz?

Last post by LAH « Sun Oct 04, 2020 6:14 pm
Replies: 23
by LAH » Wed May 27, 2020 8:02 am
1

2

3
23 Replies

5276 Views

Last post by LAH
Sun Oct 04, 2020 6:14 pm
Strange repetitive low frequency signal

Last post by rtlsdrblog « Tue Sep 08, 2020 12:53 am
Replies: 3
by Laurent54 » Thu Jul 30, 2020 6:16 pm

3 Replies

1133 Views

Last post by rtlsdrblog
Tue Sep 08, 2020 12:53 am
433Mhz AM Signal

Last post by JayMore « Wed Aug 19, 2020 4:11 pm
Replies: 2
by alexturner » Tue May 05, 2020 1:22 pm

2 Replies

3913 Views

Last post by JayMore
Wed Aug 19, 2020 4:11 pm
Signals disappear

Last post by LAH « Mon Aug 03, 2020 11:11 am
Replies: 1
by chris_yorks » Tue Jul 21, 2020 6:06 pm

1 Replies

1291 Views

Last post by LAH
Mon Aug 03, 2020 11:11 am
Stange signals around 173Mhz

Last post by Robin D « Sun Jul 26, 2020 8:58 am
Replies: 1
by karaketir16 » Thu Jul 23, 2020 9:14 pm

1 Replies

615 Views

Last post by Robin D
Sun Jul 26, 2020 8:58 am
switch mode power supply? (Tone sweeps)

Last post by JEL « Sun Jul 19, 2020 4:25 am

by JEL » Sun Jul 19, 2020 4:25 am

0 Replies

930 Views

Last post by JEL
Sun Jul 19, 2020 4:25 am
Contineous signal at 148.5MHz - Identification help

Last post by rtlsdrblog « Thu Jul 16, 2020 4:52 am
Replies: 3
by snabil » Sat Jul 11, 2020 7:47 am

3 Replies

1238 Views

Last post by rtlsdrblog
Thu Jul 16, 2020 4:52 am
Looping tones on 3828 kHz (HF airband)

Last post by JEL « Mon Jun 15, 2020 10:38 pm

by JEL » Mon Jun 15, 2020 10:38 pm

0 Replies

839 Views

Last post by JEL
Mon Jun 15, 2020 10:38 pm
what is this signal

Last post by senfield « Sun Jun 14, 2020 8:14 am

by senfield » Sun Jun 14, 2020 8:14 am

0 Replies

828 Views

Last post by senfield
Sun Jun 14, 2020 8:14 am
modulation recognition

Last post by Username « Fri Jun 12, 2020 1:14 pm
Replies: 2
by myyoucef » Thu Jun 11, 2020 11:03 am

2 Replies

845 Views

Last post by Username
Fri Jun 12, 2020 1:14 pm
Help analyze the signals

Last post by Monster2020 « Thu May 28, 2020 2:00 pm

by Monster2020 » Thu May 28, 2020 2:00 pm

0 Replies

887 Views

Last post by Monster2020
Thu May 28, 2020 2:00 pm
two mistic ??

Last post by dr no « Fri May 08, 2020 10:48 pm

by dr no » Fri May 08, 2020 10:48 pm

0 Replies

1963 Views

Last post by dr no
Fri May 08, 2020 10:48 pm
942 mhz id help

Last post by rtlsdrblog « Mon Apr 13, 2020 9:33 am
Replies: 2
by bourdett » Tue Apr 07, 2020 9:46 am

2 Replies

1723 Views

Last post by rtlsdrblog
Mon Apr 13, 2020 9:33 am
How to interpret this signal?

Last post by Username « Wed Apr 08, 2020 1:25 pm
Replies: 3
by royb » Fri Feb 21, 2020 12:51 pm

3 Replies

3980 Views

Last post by Username
Wed Apr 08, 2020 1:25 pm
Static-y Bursts every 1.5 sec then wait for 15 sec

Last post by Username « Mon Mar 30, 2020 12:03 pm
Replies: 1
by taylorhorton » Thu Mar 19, 2020 11:16 pm

1 Replies

4526 Views

Last post by Username
Mon Mar 30, 2020 12:03 pm
AM-radio with unstable frequency?

Last post by JEL « Thu Feb 27, 2020 7:49 am
Replies: 4
by JEL » Tue Feb 25, 2020 1:43 pm

4 Replies

9362 Views

Last post by JEL
Thu Feb 27, 2020 7:49 am
What kind of modulation?

Last post by royb « Tue Feb 25, 2020 10:10 pm
Replies: 1
by royb » Tue Feb 25, 2020 1:36 pm

1 Replies

3040 Views

Last post by royb
Tue Feb 25, 2020 10:10 pm
A lot of signals on 800mhz

Last post by hotpaw2 « Thu Feb 06, 2020 3:58 am
Replies: 5
by Richard9026 » Sat Jun 25, 2016 10:17 am

5 Replies

11520 Views

Last post by hotpaw2
Thu Feb 06, 2020 3:58 am
floating radio wave trails

Last post by rtlsdrblog « Thu Feb 06, 2020 12:52 am
Replies: 1
by Ankur » Fri Jan 31, 2020 7:30 am

1 Replies

2064 Views

Last post by rtlsdrblog
Thu Feb 06, 2020 12:52 am
Newbie signal help

Last post by Username « Mon Feb 03, 2020 10:04 am
Replies: 3
by Mnemonic » Fri Feb 10, 2017 3:41 pm

3 Replies

6062 Views

Last post by Username
Mon Feb 03, 2020 10:04 am
Telesurveillance

Last post by luckystrike « Mon Feb 03, 2020 9:17 am
Replies: 2
by Valeriy » Thu Jul 21, 2016 9:21 pm

2 Replies

7646 Views

Last post by luckystrike
Mon Feb 03, 2020 9:17 am
RFI? Or something else?

Last post by luckystrike « Mon Feb 03, 2020 9:05 am
Replies: 4
by EODSarge » Sat Jan 26, 2019 1:36 am

4 Replies

17405 Views

Last post by luckystrike
Mon Feb 03, 2020 9:05 am

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