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Welcome to the RAYNET HF Team webpages!


INTRODUCTION

In the UK a lot of Emergency Communications/RAYNET activity has traditionally taken place in the VHF and UHF Bands. However, experience has shown that HF radio has a role to play in circumstances where usage of VHF/UHF would not be feasible or our expertise in that area was requested.

A fresh look at HF is intended to enhance our Emergency Communications abilities; don't think that there is any intention to replace existing VHF/UHF working - on the contrary - it is to complement it or 'add an extra weapon to our armoury', if you like.

In the meantime, HF has not stood still (particularly on the commercial side - we have still to catch up!). New modes, smaller (even hand-portable) equipment and continuing licence changes have greatly raised the profile of HF communications, making it much more adaptable for field and mobile work. So why shouldn't we take advantage of this ?

SITE MAP

The RAYNET HF Team exists to develop our capabilities in HF working, to do this we need to share information and get people involved with the wide range of opportunities which HF working could bring to RAYNET operations. The selections under the 'site map' on the left hand side of this page will take you to various pages which we hope will achieve our aims.

GETTING INVOLVED

If you are interested in any aspect of the RAYNET HF Team, require more information, or have any constructive comments, please leave a message in our guestbook . Alternatively why not listen for one of our nets and call in !


Registered users : 41 / 0 as developers

News

Use of 3760 in Poland - Back to Normal
By: System Administrator  on: Thu 02 of Jul, 2009 [23:05 UTC]  (7 reads)
Announcement
There is still a risk of flooding in the South West of Poland but currently the Public Communications systems are operating normally so it is appropriate to return 3760 to normal use with the normal procedures of;

- Listen before transmitting
- If you hear any station passing emergency traffic then leave the frequency clear and avoid causing QRM. Polish stations make use of the /D suffix to indicate emergency working and this should help in case of any language difficulties.

Thanks to all stations for their assistance and support.
Print
Possible emergency use of 3760kHz in Poland
By: System Administrator  on: Sun 28 of Jun, 2009 [10:07 UTC]  (14 reads)
Urgent Announcement
Following recent flooding in the South-Western part of Poland, and a continuing flood threat to the region. The DASR emergency group http://www.dasr.za.pl/ is reporting that 3760 kHz may be used for emergency communication.

Please, keep this frequency clear if you'll hear any emergency traffic.

Further updates will be posted as they are received.
Print
Atlantic Hurricane Season 2009
By: System Administrator  on: Sat 06 of Jun, 2009 [19:10 UTC]  (59 reads)
Announcement
The Atlantic Hurricane Season officially runs from 1st June to 30 November each year and Amateur Radio plays a part in gathering and distributing information for the weather and emergency services each year. On average there are six hurricanes and two 'major' hurricanes each season which can cause major loss of life or property damage through the Caribbean. Please read more to find out about frequencies on 20m which are routinely in use to deal with hurricane events in the USA and Caribbean.
Read More (1322 bytes) Print
Honduras Earthquake - 28/May/2009
By: System Administrator  on: Thu 28 of May, 2009 [20:10 UTC]  (84 reads)
Urgent Announcement
This morning Honduras had a 7.1 magnitude earthquake. Initial reports from
Dr. Cesar Pio Santos, HR2P, IARU Region 2 Emergency Coordinator report no
major damages however we kindly ask to give preference to emergency traffic
if you find it on our bands, specially around 7,090 MHz.

More on this news:
http://earthquake.usgs.gov/eqcenter/recenteqsww/Quakes/us2009heak.php#detail
Print
GlobalSET 18 April 09 - List of Participants
By: System Administrator  on: Sat 18 of Apr, 2009 [10:25 UTC]  (2559 reads)
Announcement
A summary of known groups and stations taking part in the IARU Global Simulated Emergency Test (GlobalSET) to be held on 18th April. Please check this website frequently for updates.
Read More (2772 bytes) Print



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Created by: system last modification: Tuesday 17 of April, 2007 [18:53:17 UTC] by admin


Datamodes ?
Can you operate Datamodes on HF ?
I have Datamodes available at all times
I can do datamodes but it takes time to set up (>1hr)
What is a datamode anyway...

View Results
(Votes: 25)
Power Resilience
Resilience... How long will your station stay on air in a power cut ?
72 Hours
24 Hours
12 Hours
6 Hours
<1 hour
Off the air, pass the candles !

View Results
(Votes: 4)
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