Pilot DVB-T transmissions started in 2002 from two transmitters in Sljeme and HRT dom.
There are now nine DVB-T transmitters in operation:
Sljeme (14.0kW ERP), HRT dom (1kW ERP), Unka (Mux1, 100kW ERP), Ucka (Mux 2, 16kW ERP), Josipovac (1.0kW ERP) Labinstica (5.0kW ERP) Srd (5.0kW ERP) Ugljan (2.5kW ERP), Brac (8.0kW ERP).
All are set for 64QAM modulation, a code rate of 2/3, a guard interval of 1/8th and use 8k carriers in an 8MHz bandwidth.
The current single multiplex carries 4 TV programmes and covers 70% of the population.
The coverage of the first multiplex was complemented by additional gapfiller sites in Vsar, Pula II, Porec, Buje, Rovinj, Pazin, Plomin, Umag, Novigrad, Pula, Koromacno, Plovanija, Rabac, Rasa and Trget.
A second multiplex is planned for launch initially from one transmitter site in Ucka with gapfillers in Vsar, Pula II, Porec, Buje, Rovinj, Pazin, Plomin, Umag, Novigrad, Pula.
An HDTV trial by HRT in Zagreb started during 2007 on Ch 26 with 1500Watts ERP. The picture resolution is 1080i and uses MPEG-4, H.264 compression.
The video bit rate is 18.5 Mbit/s on a 64QAM modulated transmission with a code rate of 2/3 and a guard interval of 1/8th .As with the SDTV transmissions 8k carriers are used in an 8 MHz channel.
Source: DVB-T in Croatia presentation from Odasiljaci I Veze d.o.o. Transmitters and Communications Ltd. December 2007.
Item added: 1st April 2008