Welcome The 'Belgium Bunkers on the Air' Website
ONBOTA
ONBOTA is a thrilling Amateur Radio activity that combines exploration,
historical appreciation, and radio communication in a unique and adventurous
way.
We now have 1370 bunkers in our ONBOTA BunkerList !
(more bunkers will be added to the
list)
If the bunker is not on the list :
First Check our KML file on Google-earth, (this
one is updated frequently)
and make shure that it is not on the list.
Try to retrieve the Name of the Bunker ,
Adress (or the name of the street closest to the bunker),
Longitude and Latitude (in googlemaps format) , Grid,
the postal code, and the name of the City or Municipality.
Then
GO TO the
REFERENCE
REQUEST PAGE
FILL OUT THE FORM !
Once we have received the request,
we will assign a new ONBOTA bunker
reference to the respective bunker.
Only
If the bunker is added to the list ,
the bunker is approved and can be activated !
Rules :
● All actual present war bunkers, war
shelters, are eligible
to be activated.
●
Please note that the bunker can only be
activated portable or mobile.
You must stay within a maximum radius of 1km when activating a
bunker.
● If you activate a bunker,
send the ADIF / Activators Excelsheet (filled out) to:
onbunkers@gmail.com,
along with a photo taken on site showing the coords of your location,
(For example with the GPSMap app that shows the coordinates on the
picture)
● To make a valid ONBunker-activation , you need to work at least
25 stations.
It doesn't matter how long it takes. If you are unable to make 25 contacts in
one day,
you can continue your activation the next day, or even the following week or
month.
If you have any further questions, please feel free to send me a Email !
Our admins are busy to create a kml and gpx file, this one will be added soon on this page.
● As an Activator You may submit a maximum of 5 bunkers a day !
● You can activate ON-BOTA on all legal frequency's and modes.
● Activating Bunkers via Repeater(s) is NOT PERMITTED.
Hints for Activators :
If you cant use Excel, or a Logprogram
please contact me in advance, and we will try to find a solution for you.
For activators We recommend to use the
HAM2K
POLO App
In the Polo-app under section Bunkers on the air you can select
the
B/ON bunker(s) for your activation.
(remember max. 5 each day)
Ofcourse you can also download The Excel
Activators Logsheet.
(Visit the download-section
on top of this page)
2024 Awards for Hunters :
There will be a Bronze Award for 10 belgium bunkers worked ,
Silver Award for 20 belgium bunkers worked
Gold Award for 50 belgium bunkers
worked
Diamond Award for 100 belgium bunkers
worked
Ruby Award for 250 belgium bunkers
worked
ONBOTA Hunters can download the Huntertracker
in the
Download-section on Top of this Page
In The huntertracker keep track of your worked bunker references.
If you have enough references for an Award,
please forward the completed HunterTracker to:
2024 AWARDS for Swl :
There will be a Bronze Award for correct listening reports of 10 belgium bunkers,
Silver Award for correct listening reports of 20 belgium bunkers
Gold Award for correct listening reports of 50 belgium bunkers
Diamond Award for correct listening reports of 100 belgium bunkers
Ruby Award for correct listening reports of 250 belgium bunkers
ONBOTA SWL's can download the SWL Tracker
on top of this Page
in the Download Section
In The SWL-tracker keep track of your correct
SWL Rapports and bunker references.
If you have enough references for an Award,
please forward the completed SWLTracker to:
2024
AWARDS for Activators :
There will be a Bronze Award for 5 belgium bunkers
activated.
Silver Award for 10 belgium bunkers activated.
Gold Award for 20 belgium
bunkers activated.
Diamond Award for 50 belgium bunkers activated.
Ruby Award for 100 belgium bunkers activated.
B2B-AWARDS for Activators :
Log between Belgium Bunker and Belgium Bunker
Log between Belgium Bunker and International WWBunker)
There will be a Bronze Award for 5 B2B-bunkers
worked.
Silver Award for 10 B2B-bunkers worked.
Gold Award for 20 B2B-bunkers worked.
Diamond Award for 50 B2B-bunkers worked.
Ruby Award for 100 B2B-bunkers worked.
Send a request for this B2B-award to
We hope you will enjoy the hunt or activation.
Goodluck !
To request an Activator Award , please forward the
with your callsign and references of bunkers you have activated to :
ONBOTA-AWARDS
Awards will be sended after Request.
Send your Award Request to :
(updated 14/08/2024)
From now on you can also find ONBOTA by visiting the
This also means that we can place our activations there in the agenda.
You can announce an ONBOTA Activation in 3 ways: (method 3 is preferred)
1. Send an email with the data to
2. Go to the page
and send an email with the data from there (NEW TOPIC button)
3. PREFERRED method
Go to
https://groups.io/g/BOS/calendar
and CLICK in the calendar on the day of the planned activation > window to enter
new activity opens
- Enter EVENT NAME (e.g. B/ON-0001 by O3MOH/P)
- Check ALL DAY and now enter the UTC time
- Enter Location: B/ON-0001
- Enter Organizer Name: ON3MOH
- Choose EVENT COLOR : ONBOTA B/ON = dark purple ONFF=green BCA=orange SOTA=red
BLHA=blue
- Enter any additional information in Description
- Click on the green button "+Add Event & Invite Group"
This way, your planned activity is listed in the AGENDA and an email is sent
with your planned activity information to ALL members.
We would like to thank the Bos outdoor shack for this collaboration.
ON3MOH ONBOTA Coordinator
HQ ONBOTA
Coordinator & Award Manager
Reference Manager
Back
copyright 2024 Hans Moreau