This recording was made on September 8, 2022 at 1959 UTC on 12095 kHz using GPD MicroPC, AirSpy Mini, SpyVerter 2, Wellbrook UMB130 balun and a 2x6m dipole. Demodulation and additional signal audio enhancement was performed in SDR#.
Quoting The Diplomat:
For the first time, North Korea has confirmed a positive COVID-19 case within the country. The state-run Korean Central News Agency reported on May 12 that a “specimen from persons with fever” in Pyongyang had come back positive for the Omicron BA.2 variant, a particularly contagious strain of the virus. The phrasing of the announcement makes it unclear how many people are infected. KCNA called the development a “most serious emergency case of the state.”
Below is the recording of this announcement being made on the Voice of Korea's English language service. The recording was made on May 12, 2022 at 1908 UTC on 11635 kHz using GPD MicroPC, AirSpy Mini, SpyVerter 2, Wellbrook UMB130 balun and a 2x6m dipole. Demodulation and additional signal audio enhancement was performed in SDR#.
All India Radio recorded in London, UK on August 5, 2019 at 1759 UTC on the frequency of 9445 kHz using SDR#, AirSpy Mini, SpyVerter and DX Engineering NCC-1 phaser connected to two Wellbrook ALA1530S+ antennas (positioned indoors) to mitigate severe local man-made interference. The transmitter has a power rating of 250 kW and is located in Bengaluru, India. The news bulletin mentions the presidential order under Article 370 relating to Jammu and Kashmir, issued on the day of the broadcast.
Radio Thailand's English service recorded in London, UK on August 2, 2019 at 1900 UTC on the frequency of 9920 kHz using SDR#, AirSpy Mini, SpyVerter and DX Engineering NCC-1 phaser connected to two Wellbrook ALA1530S+ antennas (positioned indoors) to mitigate severe local man-made interference. The transmitter has a power rating of 250 kW and is located in Udon Thani, Thailand.
Channel Africa recorded outdoors in London, UK on July 31, 2018 at 1700 UTC, on the frequency of 11885 kHz using GPDWin, AirSpy R2, SpyVerter 2, Bonito GI300 isolator and Bonito MA305 active antenna. The transmitter is located in Meyerton, South Africa. This transmission had a power rating of 500 kW and was directed towards Central and West Africa. The recording contains a news bulletin discussing contested election results in Zimbabwe and Mali.
Radio Japan in English recorded in London, UK on July 26, 2018 at 0500 UTC, on the frequency of 9860 kHz using, SDR#, AirSpy Mini, SpyVerter and DX Engineering NCC-1 phaser connected to two Wellbrook ALA1530S+ antennas (positioned indoors) to mitigate severe local man-made interference. The transmitter is located in Santa Maria di Galeria, Italy. This transmission had a power rating of 250 kW and was directed towards West Africa. The recording contains the news bulletin announcing the execution of the six members of a Japanese doomsday cult, Aum Shinrikyo (including its leader, Shoko Asahara -- real name Chizuo Matsumoto), who were held responsible for the deaths of dozens of people.
Voice of Korea, DPRK recorded in London, UK on September 3, 2017 at 1338 UTC, on the frequency of 15245 kHz using AirSpy, SpyVerter, SDR# software and a 2 x 6m long wire dipole antenna. The transmitter has a power rating of 200 kW and is located in Kujang, DPRK. North Korea's successful sixth nuclear test is officially announced at 5 minutes, 6 seconds into the recording. Severe jamming can be heard concurrently with the transmission.
DSWCI (Danish Shortwave Club International) special 60th anniversary broadcast recorded in London, UK on December 3, 2016 at 1959 UTC, on the frequency of 9715 kHz using, SDR#, AirSpy Mini, SpyVerter, Lowe PR-150 preselector and DX Engineering NCC-1 phaser connected to two Wellbrook ALA1530S+ antennas (positioned indoors) to mitigate severe local man-made interference. The transmitter is located in Trincomalee, Sri Lanka. The power rating of this transmission was 125 kW.
Radio Nigeria Kaduna recorded in London, UK on September 1, 2016 at 1830 UTC, on the frequency of 6090 kHz using AirSpy, SpyVerter, SDR# software and a 2 x 6m long wire dipole antenna. The non-directional transmitter has a power rating of 100 kW and is located in Kaduna-Jarji, Nigeria. The signal is usually a challenging catch in Europe; the station ID can be heard at 9 minutes 54 seconds into the recording.
Radio Thailand's English service recorded in London, UK on June 13, 2016 at 1900 UTC on the frequency of 9390 kHz using FunCube Dongle Pro+ and SDR# with the Lowe PR-150 preselector, DX Engineering NCC-1 phaser connected to two Wellbrook ALA1530S+ antennas (positioned indoors) to mitigate severe local man-made interference. The transmitter has a power rating of 250 kW and is located in Udon Thani, Thailand.
All India Radio Urdu service recorded in London, UK on May 23, 2016 at 0055 UTC on the frequency of 11620 kHz using FunCube Dongle Pro+ and SDR# with the Lowe PR-150 preselector, DX Engineering NCC-1 phaser connected to two Wellbrook ALA1530S+ antennas (positioned indoors) to mitigate severe local man-made interference. The transmitter has a power rating of 500 kW and is located in Bengaluru, India.
All India Radio's National Channel recorded in London, UK on May 1, 2016 at 1802 UTC, on the frequency of 9380 kHz using AirSpy, SpyVerter, SDR# software and a 2 x 6m long wire dipole antenna. The transmitter has a power rating of 250 kW and is located in Aligarh, Uttar Pradesh, India.
"ACCELERATE SCIENCE AND MODERNISATION" (1978)
Firedrake Jammer on top of Radio Free Asia recorded in London, UK on May 1, 2016 at 1759 UTC, on the frequency of 9965 kHz using AirSpy, SpyVerter, SDR# software and a 2 x 6m long wire dipole antenna. The transmitter power and location are unknown.
Radio Riyadh recorded in London, UK on April 24, 2016 at 2100 UTC on the frequency of 9555 kHz using a FunCube Dongle Pro+ SDR, SDR# software, Lowe PR-150 preselector and a DX Engineering NCC-1 phaser connected to two Wellbrook ALA1530S+ antennas (positioned indoors) to mitigate severe local man-made interference. The transmitter has a power rating of 500 kW and is located in Riyadh, Saudi Arabia. The transmission is directed north-westwards (295°) towards the Maghreb region of Africa.
Brief programme summary kindly provided by @K7al_L3afta:
All India Radio's General Overseas Service recorded in London, UK on December 4, 2015 at 2053 UTC on the frequency of 9445 kHz using a Lowe HF-150 radio with the Lowe PR-150 preselector and DX Engineering NCC-1 phaser connected to two Wellbrook ALA1530S+ antennas (positioned indoors) to mitigate severe local man-made interference. Despite these RFI reduction efforts, the initial recording was badly damaged by the noise from several nearby powerline networking adapters (before the correct phasing settings in the NCC-1 unit could be identified, which ultimately nulled this noise) and by degraded propagation towards the end of the transmission. Fortunately, post-processing the recording in SDR# using its noise reduction plugins made the audio listenable once again.
KBS World Radio recorded in London, UK on April 6, 2016 at 1559 UTC, on the frequency of 9515 kHz using AirSpy, SpyVerter, SDR# software and a 2 x 6m long wire dipole antenna. The transmitter has a power rating of 250 kW and is located in Kimjae, South Korea.
Voice of Korea, DPRK recorded in London, UK on April 9, 2016 at 1638 UTC, on the frequency of 11645 kHz using AirSpy, SpyVerter, SDR# software and a 2 x 6m long wire dipole antenna. SDR#'s IF noise reduction plugin was used to mitigate the severe levels of static arising from poor propagation conditions. The transmitter has a power rating of 200 kW and is located in Kujang, DPRK. In this recording, the testing of a new intercontinental ballistic missile component is announced, possibly making this broadcast historically significant.
Korean Central Broadcasting Station, Pyongyang recorded in London, UK on April 9, 2016 at 1601 UTC, on the frequency of 11680 kHz using AirSpy, SpyVerter, SDR# software and a 2 x 6m long wire dipole antenna. SDR#'s IF noise reduction plugin was used to mitigate the severe levels of static arising from poor propagation conditions. The non-directional transmitter has a power rating of 50 kW and is located in Kanggye, DPRK.
The Sound of Hope (Xi Wang Zhi Sheng) recorded in London, UK on April 6, 2016 at 1600 UTC, on the frequency of 9155 kHz using AirSpy, SpyVerter, SDR# software and a 2 x 6m long wire dipole antenna. The transmitter has a power rating of 100W and is located in Taiwan. This transmission is usually a difficult catch in Europe due to its low power rating and non-directional nature. SDR#'s IF noise reduction plugin was used to make speech more intelligible.
All India Radio's National Channel recorded in London, UK on September 15, 2015 at 1652 UTC, on the frequency of 9380 kHz using SDRPlay with SDR# software and a 2 x 6m long wire dipole. The transmitter has a power rating of 250 kW and is located in Aligarh, Uttar Pradesh, India. This is an interesting catch in Europe, as the transmission is directed southwards.
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