ARLA/CLUSTER: Holanda; Concurso anual para caçadores de radio-balões meteorologicos

[João Costa > CT1FBF]

National balloon foxhunt in The Netherlands

The annual balloon foxhunt in The Netherlands is a well-known multimedia
event that combines several HAM activities around a radio payload which
will fly underneath a weather balloon. This year, the event will be held at
Sunday, September the 13th and is the 37th issue.

Usually, the balloon will fly at 13.00 local time, 11.00 UTC. As the
balloon with its payload will reach up to about 20 miles, its radio
coverage reaches over several nations such as the UK, the Netherlands,
Belgium, France, Germany and eventually more countries if the conditions
allow as such. This makes the event very interesting for an international
audience since the payload holds a complete transponder which always causes
great activity when the balloon and payload are in- and on the Air.

The balloon fox hunt is associated with various multimedia activities that
attract thousands interested radio enthusiasts. Both the active
participants (the hunters) as well as passive participants (the followers)
can participate by radio, Amateur Television as well as ground
communications via our Nationwide coverage repeaters PI3UTR and PI2NOS.
Both repeaters usually reach the east coast of the UK as well, enabling
communication with our GB HAM friends on a regular base. In addition, a
shortwave special event station will be on air in the 40m band, hosted by
operators who are part of the organization, exchanging Balloon data,
reception reports and are available for QSO to support the event. Of course
our UK HAM friends are more than welcome to call-in or joint he event in
one or other way…

This year the overall event is supervised by a team of volunteers who make
connections via the two relay stations as mentioned before. Last year this
resulted in almost 600 unique registrations with the club callsign Radio
Club Gooi: PI4RCG. The primary part of the event, the balloon foxhunt
usually runs for about two to three hours, not knowing where the payload
will land. This always makes the event spectacular, especially when the
very small transmitters cover an extremely wide area. The 2m transmitters
only have about 200mWatt of output power and the ATV 13cm transmitter just
1 Watt!

Detailed information about the balloon fox hunt can be found on our
website, including frequency information and several audio and video
streams. In addition, the latest news can be found on our Facebook page and
Twitter (Dutch only).

Join us on Sunday, the 13th of September!

www.ballonvossenjacht.nl
www.facebook.com/ballonvossenjacht
twitter: #ballonvosjacht

PI3UTR: input 144.975 (CTCSS 77Hz) Output 145.575MHz
PI2NOS: input 431.725MHz Output 430.125MHz
40m HF: 7.080MHz +/- QRM Callsign PI4RCG
Payload primary beacon: 145.450MHz
Payload Transponder: Input 432.550MHz Output 145.475MHz
ATV transmitter 2330MHz
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