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Shortwave Observer

@shortwave78 • 37,539 subscribers

- Italian Shortwave Listener - Also interested in spy stories, intelligence stuff, aviation, navy, nature and archaeology

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🇷🇺 Russian Navy: Ship of interest PM-82 (Callsign RBDF) caught on 8345kHz asking a radio check to its HQ and communicating that she has a message to send (RBDF RBDF QSA? QTC K). Received in 🇮🇹Milan at 02:05 UTC June 09 2026

🇷🇺 Russian Navy: Ship of interest PM-82 (Callsign RBDF) caught on 8345kHz asking a radio check to its HQ and communicating that she has a message to send (RBDF RBDF QSA? QTC K). Received in 🇮🇹Milan at 02:05 UTC June 09 2026

25,226 views

The Farsi-language Numbers-Station broadcast again, today at 18:00 UTC. The signal was very weak here in 🇮🇹Milan and Central Europe. Pretty good in 🇬🇷Greece via SV2CSN webSDR. Ionospheric propagation of radio signals is a natural phenomenon. We will have better reception.

The Farsi-language Numbers-Station broadcast again, today at 18:00 UTC. The signal was very weak here in 🇮🇹Milan and Central Europe. Pretty good in 🇬🇷Greece via SV2CSN webSDR. Ionospheric propagation of radio signals is a natural phenomenon. We will have better reception.

46,911 views

👀🇺🇸 EAM broadcast with very strong echo. EAMs are sometimes received with a slight echo, probably due to the simultaneous reception of multiple HFCGS transmitters, but I've never encountered such a strong echo before. Received in 🇮🇹Milan at 17:38 UTC April 19 2026

👀🇺🇸 EAM broadcast with very strong echo. EAMs are sometimes received with a slight echo, probably due to the simultaneous reception of multiple HFCGS transmitters, but I've never encountered such a strong echo before. Received in 🇮🇹Milan at 17:38 UTC April 19 2026

23,254 views

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👀⚠️ The mysterious Farsi-language Numbers-Station on 7910kHz, received in 🇮🇹Milan at 18:00 UTC on March 3, 2026. Probably the most interesting radio signal in recent times.
2:23
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👀⚠️ The mysterious Farsi-language Numbers-Station on 7910kHz, received in 🇮🇹Milan at 18:00 UTC on March 3, 2026. Probably the most interesting radio signal in recent times.

Shortwave Observer

2,637,130 views • 5 months ago

🇺🇸US Air Force - Navy - Strategic Command HF-GCS “High Frequency Global Communications System”. Message to: All stations Ciphered message: MTCO3UFQJPMMIUQ3BRBBVIFMJIQXUY Received in 🇮🇹Milan at 02:46 UTC April 04 2026
1:48
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🇺🇸US Air Force - Navy - Strategic Command HF-GCS “High Frequency Global Communications System”. Message to: All stations Ciphered message: MTCO3UFQJPMMIUQ3BRBBVIFMJIQXUY Received in 🇮🇹Milan at 02:46 UTC April 04 2026

Shortwave Observer

996,403 views • 4 months ago

⚠️A few hours ago, at 20:57z and 22:24z on July 21, 🇺🇸US Strategic Command sent two very rare 28-character EAMs on HF Global Communications System. This is the 28-character message sent at 20:57z Received in 🇮🇹Milan with Plessey PR2250 receiver radio and MLA30+ antenna.
1:17
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⚠️A few hours ago, at 20:57z and 22:24z on July 21, 🇺🇸US Strategic Command sent two very rare 28-character EAMs on HF Global Communications System. This is the 28-character message sent at 20:57z Received in 🇮🇹Milan with Plessey PR2250 receiver radio and MLA30+ antenna.

Shortwave Observer

205,263 views • 1 month ago

⚠️🇷🇺The Russian Navy's strategic broadcast "RDL" has just sent, in digital T-600 mode, an highest-priority Flash/Monolith message (Morse code intro XXX XXX), preceded by five U, also in Morse code. Any info about the UUUUU? Received in 🇮🇹Milan at 19:51z July 22 2026 on 10452kHz
1:18
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⚠️🇷🇺The Russian Navy's strategic broadcast "RDL" has just sent, in digital T-600 mode, an highest-priority Flash/Monolith message (Morse code intro XXX XXX), preceded by five U, also in Morse code. Any info about the UUUUU? Received in 🇮🇹Milan at 19:51z July 22 2026 on 10452kHz

Shortwave Observer

170,288 views • 1 month ago

🇷🇺Moscow calling (for agents in Far East and Pacific area) Russian intelligence Numbers Station ENIGMA ID: S06 sent an encrypted voice message on 11616kHz targeting Far East and Pacific. Not receivable in 🇪🇺Europe. Recorded via Kiwi webSDR in 🇯🇵Japan at 04:00UTC June 19 2025
1:13
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🇷🇺Moscow calling (for agents in Far East and Pacific area) Russian intelligence Numbers Station ENIGMA ID: S06 sent an encrypted voice message on 11616kHz targeting Far East and Pacific. Not receivable in 🇪🇺Europe. Recorded via Kiwi webSDR in 🇯🇵Japan at 04:00UTC June 19 2025

Shortwave Observer

1,726,109 views • 1 year ago

🇵🇱Warsaw calling… in Russian S11a - Polish intelligence Numbers Station known as “Cherta” sent a ciphered message on 8597kHz. Today not a null message. Traffic was sent. Transmission lasted about 15 minutes. Very strong signal across Europe. RX via 🇩🇪webSDR at 07:00z Sept25
1:30
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🇵🇱Warsaw calling… in Russian S11a - Polish intelligence Numbers Station known as “Cherta” sent a ciphered message on 8597kHz. Today not a null message. Traffic was sent. Transmission lasted about 15 minutes. Very strong signal across Europe. RX via 🇩🇪webSDR at 07:00z Sept25

Shortwave Observer

1,065,481 views • 11 months ago

🇷🇺Moscow calling… in English E07 - Russian Numbers Station known as “English Man”, suspected of being linked to SVR (🇷🇺Foreign Intelligence), sending a null format message on 16272kHz. “Zero Zero Zero” means “I have nothing new to say now”. RX via 🇫🇷webSDR at 15:20UTC Sept23
1:05
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🇷🇺Moscow calling… in English E07 - Russian Numbers Station known as “English Man”, suspected of being linked to SVR (🇷🇺Foreign Intelligence), sending a null format message on 16272kHz. “Zero Zero Zero” means “I have nothing new to say now”. RX via 🇫🇷webSDR at 15:20UTC Sept23

Shortwave Observer

713,836 views • 11 months ago

Something special and never heard before, now on 6911kHz. Strong signal in 🇮🇹Milan and southern Europe. Video: 21.08utc but it still running (22.19utc) More to follow ⬇️
1:31
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Something special and never heard before, now on 6911kHz. Strong signal in 🇮🇹Milan and southern Europe. Video: 21.08utc but it still running (22.19utc) More to follow ⬇️

Shortwave Observer

1,249,067 views • 1 year ago

🇷🇺Moscow calling Russian intelligence Numbers Station “M12”, probably linked to SVR (Russian Foreign Intelligence), sending high speed Morse code encrypted message to agents. Received in 🇮🇹Milan at 20:20UTC June 23 2025
1:56
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🇷🇺Moscow calling Russian intelligence Numbers Station “M12”, probably linked to SVR (Russian Foreign Intelligence), sending high speed Morse code encrypted message to agents. Received in 🇮🇹Milan at 20:20UTC June 23 2025

Shortwave Observer

745,643 views • 1 year ago

🇵🇱E11 - Polish Intelligence Numbers Station sending a null message on 25839kHz. "Zero Zero" means: I have nothing new to send. The transmission wasn’t receivable in Europe due to propagation skip, but loud and clear in the Middle East. RX via Kiwi webSDR in 🇰🇼Kuwait 06:00UTC
0:31
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🇵🇱E11 - Polish Intelligence Numbers Station sending a null message on 25839kHz. "Zero Zero" means: I have nothing new to send. The transmission wasn’t receivable in Europe due to propagation skip, but loud and clear in the Middle East. RX via Kiwi webSDR in 🇰🇼Kuwait 06:00UTC

Shortwave Observer

435,355 views • 11 months ago

According to what is officially known, the 🇫🇷French Army uses 3881kHz and 6825kHz to send Morse code characters to train their guys in telegraphy. Impressive. Apparently, in 2026, they have no other way to train their personnell in Morse Code. RX in 🇮🇹Milan 01:20 UTC June10 2026
0:40
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According to what is officially known, the 🇫🇷French Army uses 3881kHz and 6825kHz to send Morse code characters to train their guys in telegraphy. Impressive. Apparently, in 2026, they have no other way to train their personnell in Morse Code. RX in 🇮🇹Milan 01:20 UTC June10 2026

Shortwave Observer

103,462 views • 2 months ago

🇵🇱 Warsaw intelligence Numbers Station “E11” sends encrypted message to agents on HF 9150kHz. Note when the voice says "Attention!" to warn the recipient that the message transmission is starting. The entire broadcast lasted ten minutes. Received in 🇮🇹Milan 06:00UTC June 22
2:18
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🇵🇱 Warsaw intelligence Numbers Station “E11” sends encrypted message to agents on HF 9150kHz. Note when the voice says "Attention!" to warn the recipient that the message transmission is starting. The entire broadcast lasted ten minutes. Received in 🇮🇹Milan 06:00UTC June 22

Shortwave Observer

486,697 views • 1 year ago

🇷🇺Moscow calling the Red October Rus Navy strategic broadcast “RDL” daily sends dozens of ciphered messages to submerged submarines using the Very Low Frequency 18.1kHz, able to penetrate water for a few dozen meters. RX 🇩🇪webSDR 06:26z Sept26 Text: RDL (x3) 90181 81748 (x3) K
1:04

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🇷🇺Moscow calling the Red October Rus Navy strategic broadcast “RDL” daily sends dozens of ciphered messages to submerged submarines using the Very Low Frequency 18.1kHz, able to penetrate water for a few dozen meters. RX 🇩🇪webSDR 06:26z Sept26 Text: RDL (x3) 90181 81748 (x3) K

Shortwave Observer

355,179 views • 11 months ago

🇷🇺RDL - Russian Navy strategic station sending a one-way ciphered message in FSK-Morse mode on 16112kHz. This message was almost certainly also sent on VLF 18.1kHz to submerged submarines. Message: RDL RDL RDL 97552 57623 97552 57623 97552 57623 K RX in 🇮🇹Milan 06:15UTC Sept21
0:55
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🇷🇺RDL - Russian Navy strategic station sending a one-way ciphered message in FSK-Morse mode on 16112kHz. This message was almost certainly also sent on VLF 18.1kHz to submerged submarines. Message: RDL RDL RDL 97552 57623 97552 57623 97552 57623 K RX in 🇮🇹Milan 06:15UTC Sept21

Shortwave Observer

273,143 views • 11 months ago

🇷🇺Moscow Calling ENIGMA ID: XPA2 Digital-mode Russian Numbers Station probably linked to SVR (Foreign Intelligence) sent encrypted message on 14892kHz. Full broadcast recorded via Kiwi webSDR in 🇩🇪Germany at 11:20UTC June 12 2025
1:38
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🇷🇺Moscow Calling ENIGMA ID: XPA2 Digital-mode Russian Numbers Station probably linked to SVR (Foreign Intelligence) sent encrypted message on 14892kHz. Full broadcast recorded via Kiwi webSDR in 🇩🇪Germany at 11:20UTC June 12 2025

Shortwave Observer

344,410 views • 1 year ago

🇺🇸US Air Force HF-GCS (High Frequency Global Communications System). Callsign OXIDATION sending a ciphered message (EAM = Emergency Action Message) to ALL STATIONS. Received in 🇮🇹Milan at 03:54UTC Sept24 on HF 4724kHz
0:36
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🇺🇸US Air Force HF-GCS (High Frequency Global Communications System). Callsign OXIDATION sending a ciphered message (EAM = Emergency Action Message) to ALL STATIONS. Received in 🇮🇹Milan at 03:54UTC Sept24 on HF 4724kHz

Shortwave Observer

241,463 views • 11 months ago

⚠️ 🚨The jamming signal on 7910kHz that is blocking the Farsi/Persian-language Numbers-Station broadcasts, is identical to the jamming that has long been disrupting “Radio Farda”, an anti-Iranian regime shortwave station. We can now say that jamming is of Iranian origin.
1:03
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⚠️ 🚨The jamming signal on 7910kHz that is blocking the Farsi/Persian-language Numbers-Station broadcasts, is identical to the jamming that has long been disrupting “Radio Farda”, an anti-Iranian regime shortwave station. We can now say that jamming is of Iranian origin.

Shortwave Observer

129,587 views • 5 months ago

⚠️ Farsi/Persian-language Numbers Station active now on 7842kHz. Loud and clear in 🇮🇹Milan at 18:00zulu March 08 2026
2:25
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⚠️ Farsi/Persian-language Numbers Station active now on 7842kHz. Loud and clear in 🇮🇹Milan at 18:00zulu March 08 2026

Shortwave Observer

126,892 views • 5 months ago

👀The 🇫🇷French Navy's Rosnay Very Low Frequency transmitter on 18.3 kHz for communications to submerged submarines is currently off after two months of 24/7 operation. The two signals on 17.9 and 18.1 kHz are the 🇷🇺Russian Navy from Krasnodar VLF transmitter.
0:26
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👀The 🇫🇷French Navy's Rosnay Very Low Frequency transmitter on 18.3 kHz for communications to submerged submarines is currently off after two months of 24/7 operation. The two signals on 17.9 and 18.1 kHz are the 🇷🇺Russian Navy from Krasnodar VLF transmitter.

Shortwave Observer

155,087 views • 7 months ago

🇺🇸US AIR FORCE / NAVY / STRATEGIC COMMAND High Frequency Global Communications System Sender Callsign: SYRACUSE EAM to: ALL STATIONS Ciphered message: 6FFIGSHIEIC6B6CFHDF7QM Received in 🇮🇹Milan at 03:14 UTC April 12 2026
1:19
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🇺🇸US AIR FORCE / NAVY / STRATEGIC COMMAND High Frequency Global Communications System Sender Callsign: SYRACUSE EAM to: ALL STATIONS Ciphered message: 6FFIGSHIEIC6B6CFHDF7QM Received in 🇮🇹Milan at 03:14 UTC April 12 2026

Shortwave Observer

90,400 views • 4 months ago