Signal Identification Help

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Can you decode multitone-paging?

Last post by JEL « Tue Jan 19, 2021 8:02 am
Replies: 2
by JEL » Mon Jan 18, 2021 12:41 am

2 Replies

157 Views

Last post by JEL
Tue Jan 19, 2021 8:02 am
What type of signal these are?

Last post by wowologist « Tue Jan 12, 2021 12:17 am
Replies: 1
by mastermind351 » Mon Jan 11, 2021 5:15 am

1 Replies

269 Views

Last post by wowologist
Tue Jan 12, 2021 12:17 am
Sample signal files

Last post by KL2LR « Sat Dec 12, 2020 1:20 am

by KL2LR » Sat Dec 12, 2020 1:20 am

0 Replies

796 Views

Last post by KL2LR
Sat Dec 12, 2020 1:20 am
no identifico ninguna señal

Last post by josepdc123 « Fri Nov 27, 2020 6:54 pm

by josepdc123 » Fri Nov 27, 2020 6:54 pm

0 Replies

412 Views

Last post by josepdc123
Fri Nov 27, 2020 6:54 pm
729-734 MHz

Last post by rtlsdrblog « Tue Nov 24, 2020 1:30 am
Replies: 1
by hazooz » Sun Nov 22, 2020 9:21 pm

1 Replies

513 Views

Last post by rtlsdrblog
Tue Nov 24, 2020 1:30 am
Pulsing DTMF tones all over the spectrum?

Last post by Username « Tue Nov 10, 2020 9:26 pm
Replies: 1
by Divarin » Fri Oct 16, 2020 2:26 pm

1 Replies

1165 Views

Last post by Username
Tue Nov 10, 2020 9:26 pm
140 - 160 Mhz Signal

Last post by koko1 « Wed Nov 04, 2020 8:15 pm

by koko1 » Wed Nov 04, 2020 8:15 pm

0 Replies

971 Views

Last post by koko1
Wed Nov 04, 2020 8:15 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

1163 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

721 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

6996 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

1472 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

4244 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

1546 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

882 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

1178 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

1608 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

1079 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

1072 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

1154 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

1125 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

2202 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

2026 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

4370 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

4789 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

9823 Views

Last post by JEL
Thu Feb 27, 2020 7:49 am

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