HADARC - Hornsby & Districts Amateur Radio Club - VK2MA
@vk2ma.bsky.social
Hornsby & Districts Amateur Radio Club, Inc., a #ham club in northern Sydney. We run VK2RNS repeater on 147.250 FM in Hornsby & VK2RHT DMR in Chatswood. Meets @ Mt Colah Community Centre, Mt Colah & Hornsby Rifle Range; on Terramerragal land.
hadarc.org.au
hadarc.org.au
Our friends at the BLUE MOUNTAINS AMATEUR RADIO CLUB, INC are holding its annual Trash and Treasure Day (Winter Hamfest) at their Clubrooms: The Old Scout Hall, 4 Moore Street, GLENBROOK. Gates open at 0830am.
A sausage sizzle will be available for lunch
See: bmarc.org
A sausage sizzle will be available for lunch
See: bmarc.org
Blue Mountains Amateur Radio Club
bmarc.org
August 18, 2025 at 11:40 AM
Our friends at the BLUE MOUNTAINS AMATEUR RADIO CLUB, INC are holding its annual Trash and Treasure Day (Winter Hamfest) at their Clubrooms: The Old Scout Hall, 4 Moore Street, GLENBROOK. Gates open at 0830am.
A sausage sizzle will be available for lunch
See: bmarc.org
A sausage sizzle will be available for lunch
See: bmarc.org
Aldi in VK has an autoranging CAT III 600V multimeter for $17.99, and a VDE screwdriver set for $12.99, from Saturday 2nd. And sewing stuff from today (Wed 30th), including cutting mats and tools.
July 30, 2025 at 1:19 PM
Aldi in VK has an autoranging CAT III 600V multimeter for $17.99, and a VDE screwdriver set for $12.99, from Saturday 2nd. And sewing stuff from today (Wed 30th), including cutting mats and tools.
Reposted by HADARC - Hornsby & Districts Amateur Radio Club - VK2MA
Apollo 11.
Rarely seen shot of Eagle, the Moon and Earthrise, taken on this day, July 21, 1969.
Mike Collin's alternate photo is extremely well known, but this one - shown remastered and cropped - is an absolute beauty!
Rarely seen shot of Eagle, the Moon and Earthrise, taken on this day, July 21, 1969.
Mike Collin's alternate photo is extremely well known, but this one - shown remastered and cropped - is an absolute beauty!
July 21, 2025 at 9:26 AM
Apollo 11.
Rarely seen shot of Eagle, the Moon and Earthrise, taken on this day, July 21, 1969.
Mike Collin's alternate photo is extremely well known, but this one - shown remastered and cropped - is an absolute beauty!
Rarely seen shot of Eagle, the Moon and Earthrise, taken on this day, July 21, 1969.
Mike Collin's alternate photo is extremely well known, but this one - shown remastered and cropped - is an absolute beauty!
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. Talks are by Walter VK2XWB on repairing & upgrading power supplies used in Ham Radio and how they work; while Rod VK2DAY is showing a homebrew PSU from 40+ yrs ago.
July 21, 2025 at 1:44 PM
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. Talks are by Walter VK2XWB on repairing & upgrading power supplies used in Ham Radio and how they work; while Rod VK2DAY is showing a homebrew PSU from 40+ yrs ago.
Reposted by HADARC - Hornsby & Districts Amateur Radio Club - VK2MA
Just wow! Can we appreciate the fact that a team from Mexico is in Texas helping with the search and rescue. 👏🏽
July 7, 2025 at 12:41 AM
Just wow! Can we appreciate the fact that a team from Mexico is in Texas helping with the search and rescue. 👏🏽
Assuming this URL posts in a sensible manner, you can paste it into your calendar app to view club events:
calendar.google.com/calendar/u/0...
Clicking it in a browser signed into your google account *may* also allow you to add it.
calendar.google.com/calendar/u/0...
Clicking it in a browser signed into your google account *may* also allow you to add it.
Google Calendar - Sign in to Access & Edit Your Schedule
Access Google Calendar with a Google account (for personal use) or Google Workspace account (for business use).
calendar.google.com
July 7, 2025 at 11:13 AM
Assuming this URL posts in a sensible manner, you can paste it into your calendar app to view club events:
calendar.google.com/calendar/u/0...
Clicking it in a browser signed into your google account *may* also allow you to add it.
calendar.google.com/calendar/u/0...
Clicking it in a browser signed into your google account *may* also allow you to add it.
The next HADARC meeting is this Tuesday (24 June) at the Mt Colah Community Centre at 8:00 pm.
Presentations will be:
Chris VK2YMW on his portable antenna and mast combo.
Rob VK2DIO will share the latest on Reticulum / Meshtastic, a messaging and data transfer system based on LoRa.
#Sydney #HamRadio
Presentations will be:
Chris VK2YMW on his portable antenna and mast combo.
Rob VK2DIO will share the latest on Reticulum / Meshtastic, a messaging and data transfer system based on LoRa.
#Sydney #HamRadio
June 20, 2025 at 10:41 AM
We are on Mastodon / Fediverse too now, via one of the Ham radio servers:
mastodon.radio/@vk2ma
mastodon.radio/@vk2ma
HADARC - VK2MA (@vk2ma@mastodon.radio)
10 Posts, 246 Following, 35 Followers · The Hornsby & Districts Amateur Radio Club, Inc. in northern Sydney, NSW, Australia, on Terramerragal land.
We meet at Mt Colah Community Centre in Pierre Close...
mastodon.radio
June 20, 2025 at 10:35 AM
We are on Mastodon / Fediverse too now, via one of the Ham radio servers:
mastodon.radio/@vk2ma
mastodon.radio/@vk2ma
Reposted by HADARC - Hornsby & Districts Amateur Radio Club - VK2MA
Some “minor” or greater geomagnetic storms are “likely” to disrupt Earth’s magnetic field, forecasters said.
Northern Lights Forecast: ‘Minor’ Geomagnetic Storms May Pull Aurora Borealis To These States Tonight
Some “minor” or greater geomagnetic storms are “likely” to disrupt Earth’s magnetic field, forecasters said.
www.forbes.com
June 19, 2025 at 4:55 PM
Some “minor” or greater geomagnetic storms are “likely” to disrupt Earth’s magnetic field, forecasters said.
Reposted by HADARC - Hornsby & Districts Amateur Radio Club - VK2MA
Wooden Shoe Tulip Festival
📍Portland, Oregon 🇺🇲
📍Portland, Oregon 🇺🇲
April 10, 2025 at 1:30 PM
Wooden Shoe Tulip Festival
📍Portland, Oregon 🇺🇲
📍Portland, Oregon 🇺🇲
Reposted by HADARC - Hornsby & Districts Amateur Radio Club - VK2MA
The journey begins for team VP2VI
www.dx-world.net/vp2vi-britis...
- pic by DL8LAS @ Frankfurt Intl Airport
www.dx-world.net/vp2vi-britis...
- pic by DL8LAS @ Frankfurt Intl Airport
April 7, 2025 at 2:32 PM
The journey begins for team VP2VI
www.dx-world.net/vp2vi-britis...
- pic by DL8LAS @ Frankfurt Intl Airport
www.dx-world.net/vp2vi-britis...
- pic by DL8LAS @ Frankfurt Intl Airport
Reposted by HADARC - Hornsby & Districts Amateur Radio Club - VK2MA
The International Astronomical Union (IAU) recognized 128 new moons in orbit around Saturn, discovered by astronomers from Taiwan, Canada, the United States and France. Saturn’s new grand total of 274 moons is almost twice as many as all the rest of the moons in our solar system combined
Saturn has 128 newly-discovered moons. Here they are color-coded by their MPEC release. Orange: MPEC 2025 E153, Purple: MPEC 2025-E154, Green: MPEC 2025-E155.
March 16, 2025 at 3:58 AM
The International Astronomical Union (IAU) recognized 128 new moons in orbit around Saturn, discovered by astronomers from Taiwan, Canada, the United States and France. Saturn’s new grand total of 274 moons is almost twice as many as all the rest of the moons in our solar system combined
Reposted by HADARC - Hornsby & Districts Amateur Radio Club - VK2MA
The UTC day of 26 April 2025, being the Saturday closest to the 25th is International Marconi Day. Listen for VK2IMD on a range of bands, operating from Wahroonga (northern Sydney), NSW. For locals it is 10:00 am eastern time.
The station list for 2025 is: gx4crc.com/imd/official...
#hamradio #imd
The station list for 2025 is: gx4crc.com/imd/official...
#hamradio #imd
Official IMD Stations 2025 -
Official IMD Stations 2025 International Marconi Day 26th April 2025 – registration is now OPEN REGISTRATION FOR 2025 IS NOW OPEN This is the only list of official IMD 2025 stations. If the station yo...
gx4crc.com
March 24, 2025 at 10:22 AM
The UTC day of 26 April 2025, being the Saturday closest to the 25th is International Marconi Day. Listen for VK2IMD on a range of bands, operating from Wahroonga (northern Sydney), NSW. For locals it is 10:00 am eastern time.
The station list for 2025 is: gx4crc.com/imd/official...
#hamradio #imd
The station list for 2025 is: gx4crc.com/imd/official...
#hamradio #imd
Reposted by HADARC - Hornsby & Districts Amateur Radio Club - VK2MA
The Northern Lights create an incredible spectacle!
Adventure Starts in Your Inbox: travellife.beehiiv.com/subscribe
#northernlights #adventure #scenery #travelphoto #bucketlist
#europe #northamerica
Adventure Starts in Your Inbox: travellife.beehiiv.com/subscribe
#northernlights #adventure #scenery #travelphoto #bucketlist
#europe #northamerica
March 24, 2025 at 5:36 AM
The Northern Lights create an incredible spectacle!
Adventure Starts in Your Inbox: travellife.beehiiv.com/subscribe
#northernlights #adventure #scenery #travelphoto #bucketlist
#europe #northamerica
Adventure Starts in Your Inbox: travellife.beehiiv.com/subscribe
#northernlights #adventure #scenery #travelphoto #bucketlist
#europe #northamerica
Amazon "Metal Film" resistors? No, they are carbon film, as the resistance falls instead of rising when heated!
www.youtube.com/watch?v=PMAU...
www.youtube.com/watch?v=PMAU...
DO NOT BUY 1% Resistors from Amazon. I REGRET IT.
YouTube video by DENKI OTAKU
www.youtube.com
March 3, 2025 at 1:16 PM
Amazon "Metal Film" resistors? No, they are carbon film, as the resistance falls instead of rising when heated!
www.youtube.com/watch?v=PMAU...
www.youtube.com/watch?v=PMAU...
Reposted by HADARC - Hornsby & Districts Amateur Radio Club - VK2MA
63 years ago today (12 Dec 1961) on a Thor Agena rocket, OSCAR 1 launched into orbit. This marked the first amateur-led satellite to orbit, giving ham radio its first taste of amateur radio satellites. #amsat #oscar1 #projectOSCAR
en.m.wikipedia.org/wiki/OSCAR_1
en.m.wikipedia.org/wiki/OSCAR_1
OSCAR 1 - Wikipedia
en.m.wikipedia.org
December 12, 2024 at 6:18 AM
63 years ago today (12 Dec 1961) on a Thor Agena rocket, OSCAR 1 launched into orbit. This marked the first amateur-led satellite to orbit, giving ham radio its first taste of amateur radio satellites. #amsat #oscar1 #projectOSCAR
en.m.wikipedia.org/wiki/OSCAR_1
en.m.wikipedia.org/wiki/OSCAR_1
Reposted by HADARC - Hornsby & Districts Amateur Radio Club - VK2MA
Jan. 19, 1925: Genevieve Emerson, a 15-year-old high school student in Oakland, is believed to be the first girl to obtain an amateur radio operator's license. She transmits under the call sign 6APL.
January 19, 2025 at 6:10 PM
Jan. 19, 1925: Genevieve Emerson, a 15-year-old high school student in Oakland, is believed to be the first girl to obtain an amateur radio operator's license. She transmits under the call sign 6APL.
Reposted by HADARC - Hornsby & Districts Amateur Radio Club - VK2MA
Our special event callsign for MANNA @ 80 is confirmed as VB7MAN. Don't know about MANNA? It is the 80th anniversary of a lifesaving food drop to the starving residents of NW Holland in WW2. See www.qrz.com/db/VB7MAN and ve7sar.blogspot.com/2025/02/oper...
February 7, 2025 at 5:57 PM
Our special event callsign for MANNA @ 80 is confirmed as VB7MAN. Don't know about MANNA? It is the 80th anniversary of a lifesaving food drop to the starving residents of NW Holland in WW2. See www.qrz.com/db/VB7MAN and ve7sar.blogspot.com/2025/02/oper...
Reposted by HADARC - Hornsby & Districts Amateur Radio Club - VK2MA
February 21, 2025 at 3:35 AM
2025 Calendar using resistor colour-code in place of numerals.
Download direct from: drive.google.com/file/d/1egPa...
Via Summerland ARC. #HamRadio #Ham #Resistors #Electronics #Science
Download direct from: drive.google.com/file/d/1egPa...
Via Summerland ARC. #HamRadio #Ham #Resistors #Electronics #Science
February 21, 2025 at 5:36 AM
2025 Calendar using resistor colour-code in place of numerals.
Download direct from: drive.google.com/file/d/1egPa...
Via Summerland ARC. #HamRadio #Ham #Resistors #Electronics #Science
Download direct from: drive.google.com/file/d/1egPa...
Via Summerland ARC. #HamRadio #Ham #Resistors #Electronics #Science
