DRM on 12055kHz is Coming Soon

Happy new year everyone.

The 12055kHz broadcast to South Asia will start the first week of January. This will be Tues-Fri at 1515-1545UTC. The God Centered Life program will be in English. It is expected to last at least until the middle of the year. 

KTWR will be beaming this at 90kW at 285 degrees. It will be interesting to see how coverage differs from the 15390kHz Sunday DRM broadcast that is at the same power and azimuth. Reception reports for both broadcasts would be helpful.

73 de KTWR

 We are planning special DRM broadcasts for Christmas Eve, 24 December 2022.  These will be during our regular Saturday evening DRM broadcast slots to China, 12040 kHz at 1100 UTC, and Japan, 9910 kHz at 1200 UTC.  We will be airing two audio services for each program, Mandarin and Cantonese at 1100 and Japanese and Korean at 1200.  These will be accompanied with slides.  64QAM modulation will be needed to support the higher data rate.  This will require an SNR at the receiver of about 17dB vice the 13dB threshold for 16QAM.  We hope you'll be available to listen and that you receive a strong signal!

The weekly Japanese language program, Every Man a Warrior, will still be aired at its usual time, 1130 UTC, in 16QAM format.

Delay in Broadcast

Hi Everyone,

One of our DRM blocks (12055kHz) that we thought would start at the beginning of the B22 broadcast season was delayed until the beginning of 2023. We also decreased the 9910kHz to China from M-F to only be on Mondays.

KTWR Digital Broadcasts

 

DRM broadcasts (Effective 30 October 2022):

 

                                                                           Designated

Day              Time (UTC)        Frequency        Coverage Area         Language

Saturday     1059-1129          12040 kHz          China                       English

 

Saturday     1130-1230          9910 kHz            Japan                      Japanese, English

                         

M                 1215-1245         9910 kHz            China                      Mandarin

Sunday        1500-1545        15205 kHz           India                        English

Sunday        1600-1630        15390 kHz           India                        South Indian languages

Another change we are considering is to move the 1600-1630UTC block on 15390kHz to 1030-1100UTC on 15200kHz. This is to take advantage of better propagation at the earlier time. If you are in South Asia, please let us know your preference. We can either leave it as is or move to the early time.

Thanks for tuning in.

NH2MS

KTWR B22 DRM Schedule

Hi Everyone,

Thank you so much for your patience while the team on Guam battled several component failures in both of our TSW-2250Ds. It was a tough slog, but both transmitters are up and running at full power. We are grateful for the other broadcasters who helped us with analog broadcast coverage while TX6 and TX7 were down. One thing we learned is that it is very difficult to find other broadcasters who could cover our DRM broadcasts. In fact, no one could do it. That reinforced the importance of KTWR's DRM broadcasts.

We will definitely be continuing DRM transmissions in the B22 broadcast season. In fact, we will be adding to our current schedule. Here is the B22 DRM schedule:

KTWR Digital Broadcasts

 

DRM broadcasts (Effective 30 October 2022):

 

                                                                           Designated

Day              Time (UTC)        Frequency        Coverage Area         Language

Saturday     1059-1129          12040 kHz          China                       English

 

Saturday     1130-1230          9910 kHz            Japan                      Japanese, English

                         

M-F              1215-1245         9910 kHz            China                      Mandarin

Sunday        1500-1545        15205 kHz           India                        English

Tu-F             1515-1545        12055 kHz           India                        English

Sunday        1600-1630        15390 kHz           India                        South Indian languages

73 from KTWR

KTWR Mid-A22 Schedule Changes

 Hi Everyone,

    Thanks for the help with the slide show timing. We learned more about how our content server works with the file server that contains the pictures that we showed. We also learned how few listeners could actually take advantage of the slide show. From what we saw, most listeners in Japan used receiver systems that could view the slides. Most listeners in India use standalone receivers that cannot view the slides. If this perception is incorrect, please let us know. We are considering switching over to using Journaline to enhance the listening experience for more people.

    In other news, KTWR will be modifying its broadcast schedule at mid-season. Effective 3 July, the following schedule will apply:

KTWR Digital Broadcasts

 

DRM broadcasts (Effective 3 July 2022):

 

                                                                           Designated

Day              Time (UTC)        Frequency        Coverage Area         Language

Saturday     1100-1127          12000 kHz          China                       English

 

Saturday     1128-1230          9910 kHz            Japan                      Japanese, English

                         

M-F              1215-1245         9910 kHz            China                      Mandarin

Sunday        1500-1545        15205 kHz           India                        English

Sunday        1600-1630        15390 kHz           India                        South Indian languages

    The schedule change was triggered by requests to air the South Asian broadcasts later in the evening and by the addition of Macedonian Call to the end of the English block. It would not fit in the current schedule. DXers Diary will still be at the beginning of the English DRM block to India.

73 de NH2MS

Slideshow Experiment

 Hafa adai DXers,

    During the B21 season, we have been experimenting with the slideshow features of our DRM broadcasts. We added some slides and made an attempt to make the DXers Diary slide appear during that particular program. Unfortunately, no one with the ability to see the slides has let us know how they are appearing. If you have a receiver (ex. Avion) or an SDR/computer set-up that allows you to see the slides, please let us know how many slides appear, how long they appear and how many times you see them. Thanks so much for your help.

73

KTWR A22 DRM Schedule

 Hi Everyone,

    We are just about ready for A22 broadcast season. We will have some changes for DRM schedule in the coming season. The most noteworthy change is the addition of Mandarin broadcasts on weekdays.

KTWR Digital Broadcasts

 

DRM broadcasts (Effective 27 March 2022):

 

                                                                           Designated

Day              Time (UTC)        Frequency        Coverage Area         Language

Saturday     1100-1127          12000 kHz          China                       English

 

Saturday     1128-1230          9910 kHz            Japan                      Japanese, English

                         

Sunday        0957-1026        15200 kHz           India                        South Indian languages

Sunday        1026-1056        15200 kHz           India                        English

M-F              1215-1245         9910 kHz            China                      Mandarin

73 from KTWR