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NVIS Mailing List/Reflector ( registration required )
Links to the ‘Summits on the Air’ Programme. This sets out to activate the many summits or highpoints around the UK, whilst operation is encouraged from HF to VHF they are very HF friendly and can make stations work in the most inhospitable of environments.
A group interested in HF portable and transportable operation.
Amateur Radio Emergency Communications is a sub-group of New Zealand Association of Radio Transmitters Inc..
The Dutch Amateur Radio Emergency Service
The web mages of the HF Industry Association. Some of the presentations stored here are very relevant to NVIS & HF data use.