Mastodawn

13 February (Friday) is UNESCO's World Radio Day https://www.unesco.org/en/days/world-radio
HADARC is holding an informal dinner at Magpies club in Alexandria Parade, Waitara, NSW, opposite Waitara Station a few days early, this TUESDAY (10th) at 6:00 pm.
#HamRadio #Ham #AmaterRadio #Radio #VK2MA

World Radio Day 2026

World Radio Day 2026 | All you need to know about this day: date, history

HADARC - VK2MA Jan 11

HADARC is running a BBQ at the Hornsby Manly Riffle Club at 66 Rosamond St, Hornsby this Tuesday (13 Jan) at 18:00. Please indicate attendance using the President option at:
https://www.hadarc.org.au/cgi-bin/hadarc/webmail.cgi
Bring a few dollars (coins / notes) for costs, and to buy drinks from the host club.

Contact Us - HADARC

HADARC - VK2MA Jan 10

Still on post-Christmas leave? Retired and wanting a summer / wet season or winter ham radio project?
http://www.hadarc.org.au/QUA-excerpts/
#hamradio #amateur_radio

QUA Projects - HADARC

HADARC - VK2MA Jul 21, 2025

HADARC's next meeting is Tuesday night 22/7 at 8:00 pm at the Mt Colah Community Centre in Pierre Close, and opposite Mt Colah Station (it has new lifts). Talks are by Walter VK2XWB on repairing and upgrading power supplies used in Ham Radio and how they work; while Rod VK2DAY is showing a homebrew PSU from 40+ yrs ago.

HADARC - VK2MA Jul 7, 2025

Our google calendar be viewed by pasting the following URL into your calendar:
https://calendar.google.com/calendar/u/0?cid=bnUwbjBvcmdndTZuM2Q3MWl1czNudnJhdDBAZ3JvdXAuY2FsZW5kYXIuZ29vZ2xlLmNvbQ
Apparently Apple devices can also use this as well as Android, or your gmail account.

HADARC - VK2MA Jun 28, 2025

Intro Post: We are an Amateur Radio (Ham Radio) club in Sydney, Australia.
We operate VK2RNS on 147.250 MHz FM (-600 kHz, sends 91.5 Hz)) & 439.975 MHz (15 MHz) P25 and D-Star) at Hornsby (near Asquith), & VK2RHT 439.350 (-5.4 MHz) DMR at Chatswood. VK2RNS 70 cm FM requires 91.5 Hz, but is is currently offline).
Our callsigns are VK2MA, VK2IMD (International Marconi Day), & VK2WAH (Wahroonga, site of first Rx of a signal from Britain).
Our club magazine is QUA.
Join at http://hadarc.org.au/

Home - HADARC

HADARC - VK2MA Jun 25, 2025

Video subtitling using XML instead of bitmaps:
DVB-TTML (Subtitling) - Timed Text Mark-up Language
DVB-TTML Subtitling Systems
https://dvb.org/?standard=dvb-ttml-subtitling-systems
TTML standard:
https://www.etsi.org/deliver/etsi_en/303500_303599/303560/01.01.01_60/en_303560v010101p.pdf
Interestingly the TTML can be delivered by IP, so I wonder if you could have additional languages delivered that was for a broadcast show.

DVB-TTML Subtitling Systems - DVB

Introduction Today’s broadcast content can be distributed in many forms and via many different paths. Whilst broadcast services traditionally relied on bitmap-based subtitles because of processing simplicity, advanced processing and text rendering have made text-based approaches feasible. These offer more flexibility and better options to improve the user experience. TTML (Timed Text Markup Language) is […]

DVB

HADARC - VK2MA Jun 23, 2025