Lodz Jedynka: Difference between revisions
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|Country | |Country | ||
|Poland | |'''Poland''' | ||
|- | |- | ||
|City | |City | ||
|Łódź | |'''Łódź''' | ||
|- | |- | ||
|Main Frequency | |Main Frequency | ||
|4880 kHz | |'''4880 kHz''' | ||
|- | |- | ||
|Modulation | |Modulation | ||
|AM | |'''AM''' | ||
|- | |- | ||
|BW | |BW | ||
|18 kHz | |'''18 kHz''' | ||
|- | |- | ||
|Antenna | |Antenna | ||
|60m band dipole at 250m hanged between two masts | |'''60m band dipole at 250m hanged between two masts''' | ||
|} | |} | ||
'''[[Lodz Jedynka|Łódź Jedynka]]''' is a licensed radio station located on the outskirts of [[wikipedia:Łódź|Łódź, Poland.]] It operates with a transmitter power ranging from '''10 kW to 125 kW''', primarily broadcasting on a single frequency band. The station is currently expanding its facilities, with a new high-power transmitter building under construction for higher-frequency bands, along with two additional transmission masts to support future broadcasting capabilities. | |||
== Buildings Layout == | |||
[[File:Buildings plan.png|thumb|300x300px|'''''Layout plan of the buildings on the broadcasting facility grounds.'''''|center]] | |||
[[File:Buildings plan.png| | |||
'''''Layout plan of the buildings on the broadcasting facility grounds.''''' | |||
== Station Info == | |||
{| class="wikitable" | |||
|- | |||
|'''Transmitter Building ''<u>NO. 1</u>''''' | |||
|''1.'' '''[[wikipedia:Brown,_Boveri_&_Cie|Brown, Boveri & Cie]]''' '''125kW''' transmitter based on '''2 mosfet blocks''' and '''water cooling.''' | |||
|} | |||
== frequencies == | |||
{| class="wikitable" | {| class="wikitable" | ||
!Frequency | |||
! | !Band | ||
! | !Notes | ||
|- | |||
|'''4880 kHz''' | |||
|'''60mb''' | |||
|'''Active main frequency.''' | |||
|- | |||
|''4975 kHz'' | |||
|''60mb'' | |||
|''Inactive - had to use it due to short interference with [[Astra|Radio Astra]]'' | |||
|- | |||
|'''''999 kHz''''' | |||
|'''''MW''''' | |||
|'''MW experimental transmitter.''' | |||
|- | |||
|'''''2450 kHz''''' | |||
|'''''120mb''''' | |||
|'''120m band experimental transmitter.''' | |||
|- | |- | ||
|'''''3995 kHz''''' | |||
|'' | |'''''75m''''' | ||
''' | |'''75m band experimental transmitter''' | ||
|} | |} | ||
== History == | |||
=== 6.07.2026 === | |||
During the night of '''6 July 2026 to 7 July 2026''', the transmitter reportedly experienced a major technical failure. The transmitted signal exhibited '''severe splatter''', a '''strong 50 Hz mains hum''', and '''heavily overdriven audio''', significantly degrading reception quality. The interference affected both the occupied bandwidth and the intelligibility of the broadcast, indicating a serious fault in the transmission chain. | |||
[[File:Transmitter failure..png|center|thumb|400x400px|'''''Technical Issue with Lodz Jedynka.''''']] | |||
''[[Category:Radio Stations]]'' | ''[[Category:Radio Stations]]'' | ||
Latest revision as of 20:40, 17 July 2026
| Country | Poland |
| City | Łódź |
| Main Frequency | 4880 kHz |
| Modulation | AM |
| BW | 18 kHz |
| Antenna | 60m band dipole at 250m hanged between two masts |
Łódź Jedynka is a licensed radio station located on the outskirts of Łódź, Poland. It operates with a transmitter power ranging from 10 kW to 125 kW, primarily broadcasting on a single frequency band. The station is currently expanding its facilities, with a new high-power transmitter building under construction for higher-frequency bands, along with two additional transmission masts to support future broadcasting capabilities.
Buildings Layout[edit | edit source]
Station Info[edit | edit source]
| Transmitter Building NO. 1 | 1. Brown, Boveri & Cie 125kW transmitter based on 2 mosfet blocks and water cooling. |
frequencies[edit | edit source]
| Frequency | Band | Notes |
|---|---|---|
| 4880 kHz | 60mb | Active main frequency. |
| 4975 kHz | 60mb | Inactive - had to use it due to short interference with Radio Astra |
| 999 kHz | MW | MW experimental transmitter. |
| 2450 kHz | 120mb | 120m band experimental transmitter. |
| 3995 kHz | 75m | 75m band experimental transmitter |
History[edit | edit source]
6.07.2026[edit | edit source]
During the night of 6 July 2026 to 7 July 2026, the transmitter reportedly experienced a major technical failure. The transmitted signal exhibited severe splatter, a strong 50 Hz mains hum, and heavily overdriven audio, significantly degrading reception quality. The interference affected both the occupied bandwidth and the intelligibility of the broadcast, indicating a serious fault in the transmission chain.
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