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- Radio Bulgaria – 75 years on the air
- Radio calendar
- Broadcast tips
- DX Mix News by Ivo Ivanov
In the history of Bulgarian radio, June 1, 1936, is a historic date associated with the first regular radio broadcast transmitted from Bulgaria to abroad. The first records of a radio news bulletin in French and German come from Rodno Radio Varna (Native Radio Varna) and date back to1935. Broadcast at medium waves and having a local purpose, they were targeted at foreign holidaymakers along the Bulgarian Black Sea coast.
In 1935, a group of technicians and radio amateurs in Sofia decided to adapt two inactive telegraph stations so that they could be used for broadcasting speech and music on shortwave. The two telegraph stations were internationally registered as LZA, and were known as Elza.
In the late 1935, trial broadcasts began and on January 19, 1936, the first transmission on short wave was carried out from Bulgaria to the world on a frequency of 7460 kilohertz. The program was in the Bulgarian language and was broadcast only on Sundays. At the end of January the same year, a new law was adopted, stipulating that radio stations in this country could be state-owned only. The enthusiasts from LZA were soon summoned by the authorities due to violating this new law. They were not punished, but their radio station was nationalized. On June 1, 1936, on the frequency of 7460 kHz, after the usual introduction saying "This is Radio Sophia", a news bulleting was read in Bulgarian, French, German, English and Italian. Such broadcasts started being transmitted on a regular basis with an interruption between April 1938 and January 1939 for technical reasons. Meanwhile, the authorities purchased another short-wave transmitter produced in Germany. After 1942, it was used for radio broadcasts of radioObedinena Bulgaria (United Bulgaria) and of radio Predavatel Bulgarski Novini (Transmitter of Bulgarian News).
In 1945, Bulgaria sent troops to fight against Germany on the territories of Yugoslavia and Hungary. For them, a radio station called Military Front and Homeland started broadcasts. In the late 1960s, there were short-wave broadcasts of Radio Rodina for Bulgarians living abroad. Otherwise, until the late 1980s, the external service of the Bulgarian National Radio was known under the name Radio Sofia, which was later changed to Radio Bulgaria.
After the war, a transmitter was imported from the USSR with a capacity of 5 kilowatts, transmitting on afrequency 9350 kHz. News in 12 languages were broadcast as follows:
to the World in Bulgarian, English, French and Esperanto;
to Northern Europe in Russian, Polish and Czech;
to the Balkans in Serbo-Croatian, Albanian, Greek ,Turkish and Romanian .
On December 18, 1948, the restored LZA transmitter resumed broadcasting to the Balkans on afrequency of 7670 kHz. During the 1960s and afterwards, serious funding was allocated to the external service of the Bulgarian National Radio, new powerful transmitters and modern studio equipment were imported. In the coming years, broadcasts in Arabic and Portuguese were added, and the Romanian language section was closed down. Later, the Italian and Portuguese sections were also closed down. Currently, Radio Bulgaria has reached its 75th anniversary with short-wave broadcasts in 10 languages.
Radio calendar
On May 20, Radio Varna and radio Stara Zagora celebrated 75thanniversary since their first regular broadcasts. The Czech Radio had its first broadcast on May 18, 1923; Radio Marti started its first emissions on May 20, 1985, and Radio Veritas Asia on May 25, 1975.
Broadcast tips
ZAMBIA: Radio "One Africa" had heard between 16.50 and 17.10 hours on 13590 kHz with a program in English.
OMAN, SEYCHELLES, SINGAPORE: Radio BBC World Service in English was heard after 17.10 hours with two different programs: one on 9410 kHz from a transmitter in the Seychelles and another in 5975 and 9495 kHz, respectively, from Oman and Singapore.
EGYPT: Radio Cairo was heard with a program in English on 15345 kHz between 16.30 and 17.30 hours. It was announced that the radio station will start transmitting also on 12170 kHz.
VIETNAM: Radio Voice of Vietnam in the new season using a transmitter located in the provisions of Austria for its broadcasts. Was heard at 17.00 hours on 9625 kHz in English.
TAIWAN, FRANCE: Radio Taiwan International was heard with a broadcast in English at 16.00 hours on 15485 kHz from a transmitter in France. The transmitter in Taiwan to on 9435 kHz could not be heard.
CUBA: At 01.30 hours, only Radio Rebel was heard with a program in Spanish on 5025 kHz and radio Havana on 6060 kHz in Spanish and on 6000 kHz in English.
compiled by Rumen Pankov
DX MIX
All times are in Universal Time Coordinated (UTC), all frequencies in kilohertz (kHz).
Russia: Another frequency change made by the Voice of Russia in French:
1600-2100 on a new frequency of 13850 Kichinev 500 kW / 235 degrees for Northwest Africa. The changed rate is 9410, due to interference by the BBC in English and Swahili
Portugal: As of May 11, RDP Internacional broadcasts in Portuguese from Monday to Friday
from 0500-0655 on a new frequency of 11840 Lisbon-Sao Gabriel 300 kilowatts / 144 degrees in direction Sao Tome / Principe / Angola / Mozambique. The old frequency was 12060.
UK: Two changes made by radio stations via BABCOCK transmitters:
EDC Sudan Radio Service, program Darfur from Saturday to Thursday, a new schedule in effect from May 1 via a transmitter in Rampisham 250 kilowatts / 125 degrees
0400-0500 a new morning broadcast on 11800
1600-1700 on a new frequency of 15500 instead of the previous frequency of 17770 Ascencion. For this emission, the frequency 11770 Meyerton is no longer used.
FEBA Radio in Pushtu to Western Asia on 1 May had a new evening broadcast
1530-1600 on 11755 Yerevan 300 kilowatts / 100 degrees. The morning broadcast is cancelled.
0200-0230 on 9725 Dhabayya 250 kilowatts / 045 degrees
The Philippines: Frequency changes made on 15 May by Radio Veritas Asia:
- via the transmitter in Palauig Palang 250 kilowatts / 280 degrees to South Asia:
0000-0027 in Sinhala on a new frequency of 9670 instead of 9720
0030-0057 in Bengali on a new frequency of 11710 instead of 11945
1430-1457 in Chin dialect on a new frequency of 9535 instead of 9620
- via a transmitter of The Vatican Radio in Santa Maria di Galeria 250 kilowatts
1430-1457 in Urdu on a new frequency of 15260/ 070 degrees to South Asia, instead of 15435
1500-1557 in Tagalog on a new frequency 15280/ 130 degrees to the Middle East, instead of 15350
Tunisia: And here is the summer schedule of RTV Tunisia in Arabic through transmitters in Sfax:
0300-0610 and 1600-2110 on 9725, 250 kilowatts and on 12005, 500 kilowatts, both frequencies in azimuth 100 degrees to the Middle East
0400-0630 on 7275 and from 1800-2210 on 7225, 500 kW / 340 degrees to West Europe
0700-0830 on 7335 and from 2000-0010 on 7345, 500 kW / 265 degrees to North Africa
Nigeria: We continue with the current schedule of the radio station Voice of Nigeriathrough a transmitter in Ikorudu/ 250 kilowatts broadcasting in two directions:
To North Africa on a frequency of 15120, azimuth 007 degrees
From 0500-0700 in English, with interference from China Radio International in English
From 0700-0800 in French, from 1500-1600 and 1800-1900 in English, and from 1730-1800 in Arabic
-to West and Central Africa with azimuth 248 degrees
0800-0900 in Hausa, from 0900-1500 in English and 1600-1730 in Swahili, Youruba and Igbo on a frequency of 9690, with interference from All India Radio in English from 1330 to 2500 and from Radio Romania International in Romanian from 1600-1655
1900-2100 in English and French and 2100-2300 in Fulfulde and Hausa on a frequency of 7255, with strong interference from Radio Belarus and China Radio Internationalin different languages
Kuwait: We continue with the summer schedule of Radio Kuwait via transmitters in Kabd:
-Main program (General Service) in Arabic
From 0200-0900 on 5960, 250 kW /omnidirectional antenna to the Middle East, with interference from Radio Japan NHK in Japanese until 0500
1000-1500 on 21540, 500 kW / 310 degrees to West Europe, with strong interference from Radio Exterior de Espana in Spanish
1100-1600 on9750, 300 kW / 275 degrees to north-east Africa, with interference from Radio Radio Japan NHK of Japan, and after 1300 also from Voice of Russia in DRM mode
1600-2200 on 6080, 500 kilowatts /omnidirectional antenna to the Middle East, with interference from Radio Minsk in Belorussian,
and after 1700 by VOA in English
from 1700-2000 on 13650 and 2000-2400 on 17550, 500 kW / 350 degrees to North America
- Holy Qura'n-program in Arabic via Kabd 250 kilowatts
0500-0900 on 15515 / 059 degrees to East Asia, with interference from the BBC in Hausa from 0630-0700
0930-1600 on 11630 / 230 degrees toCentral Africa, with interference from China National Radio in Kazakh and Chinese
transmissions in other languages by Kabd 500 kilowatts
0800-1000 on 7250 / omnidirectional antenna to West Asia in Persian (Farsi)
1800-2100 on 15540 / 310 degrees to West Europe in English
USA: Finally, the frequency changes made by the International Broadcasting Bureau /IBB
Radio Liberty
1200-1300 in Russian new frequency 13745 Lampertheim 100 kilowatts / 056 degrees to Russia, instead of 15130
1300-1400 and 1400-1500 in Russian on a new frequency 13745 Rampisham 500 kilowatts / 062 degrees to Russia instead of 9710 and 13830
1500-1600 in Azeri on a new frequency of 12025 100 kilowatts / 088 degrees to Central Asia. The changed frequency is 9405
Radio Farda in Farsi /Persian/ to West Asia
0430-0500 on a new frequency 17880 Iranawila 250 kilowatts / 316 degrees instead of 17 845
0500-0600 and 0600-0800 on a new frequency 17880 Udorn Thani 250 kilowatts / 304 degrees instead of the old frequencies 17845 and 21715
VOA in Hausa to Central Africa
0500-0530 on a new frequency 5995 Sao Tome 100 kilowatts / 335 degrees instead of 7320
0700-0730 new frequency 17530 Talata 250 kilowatts / 305 degrees instead of 17 525
2030-2100 Monday to Friday new frequencies 9810 Nauen 250 kilowatts / 190 degrees and 11 990 Botswana 100 kilowatts / 350 degrees instead of 9815 and 15185
compiled by Ivo Ivanov, Frequency Manager of radio Bulgaria
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