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RAYNET HF Team Nets


In order to provide a forum for discussion, news, ideas, experiments and information, plus - most importantly - enabling us to test local-to-medium distance communications and various modes, the RAYNET HF team has set up a regular series of fortnightly HF Nets. WE STRONGLY RECOMMEND USING/TESTING NVIS STRATEGIES ON THIS NET, if possible - fixed station at first, then mobile/portable.


Net Schedule

Date ModeBands to be tested initially
1stVoice Modes80 or 40m
7thVoice Modes5MHz NoV Frequencies
14thVoice Modes80 or 40m
21stVoice Modes5MHz NoV Frequencies
28th Non voice modes
like data or CW
Any band


The normal START TIME is 2000hrs (8pm) local,
but if the date falls on a weekend or non-working day (e.g.Public Holiday )
then the Net STARTS at 1400hrs. (2pm) local.

A further description of operating modes and protocols can be found here


Frequency Choice

Frequencies are chosen according to date and time to try and maximise participation in the nets from the list of Frequencies to be found at this link.

The exact band to be used is usually discussed on the MailingList prior to the net in order to take account of prevailing ionospheric conditions. Whilst an evening net would tend to favour the lower frequencies variations in sunspot activity may result in frequencies higher or lower than these being tested for optimum results.

On the 7th and 21st tests between 5MHz Notice of Variation ( NoV) holders take place. All nets start from a recognised calling channel ( 5.3985MHz USB ) before moving to one of the working channels ( e.g. 5.2585MHz USB ). Dependant upon conditions participants may move to one of the more conventional frequencies on 40m or 80m to see how the new allocation would have fared.


Suggested Net Topics

It would provident that some or all of the following topics are covered and re-tested during the RAYNET HF Team Nets:


1. NVIS Comms.Tests :- Fixed-to-fixed / Fixed-to-mobile / Mobile-to-mobile
2. NVIS Antenna Tests:- Both Manufactured / Homebrew - as above
3. Test Various Modes:- Data, Speech, CW, SSTV, FAX, APRS etc.
4. Practice Message Handling:- IARU/RAYNET Voice Message Procedure
5. As far as possible test Long-Distance and Local-to-Medium Distance Comms.


Created by: admin last modification: Saturday 04 of November, 2006 [16:39:44 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: 7)
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