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Logo convention - by f4bxw 02/07/2008 @ 01:03 Nouvelle convention graphique sur le site ALE141Pour un accès simplifié, tous les articles concernant le réseau HFN comporteront le logo 73 de F4BXW (Vincent) F4BXW first HFN node openned in Europe - by f4bxw 02/07/2008 @ 00:50 HFN QRV in Europe
Last update: july 1 st 2008 Find out your connexion report on hflink web site: www.hflink.net/qso. Thoses frequencies are subject to changes. Check them here frequentely. 73 de F4BXW (Vincent) Nouveau plan fréquence pour l'activité ALE 24:7 - by f4bxw 29/05/2008 @ 12:12 Le nouveau plan fréquence en vigueur à partir de ce matin:
Le sondage est effectué toutes les 60 minutes.
73 de F3BXW (Vincent) ALE141 24/7 - by f4bxw 25/05/2008 @ 03:10 La station F4BXW est sur l'air en permanence (24/7), scanning & sounding sur les fréquences HFN. ALE141 controler development - by F4BXW (vincent) 27/03/2008 @ 11:07 | HAP map
The HAP chart is a guide to frequency selection for HF communications between mobiles and a specified base station, in this case Paris. The recommended frequency for communications with the base at a given hour is read off from the point in the map corresponding to the mobile's location.The predictions are made from real time data which are updated each hour.'dash lines' - If present, these delineate areas of unlikely communication. Poor communication areas which can result from one or more of the following conditions:- the Absorption Limiting Frequency (ALF) is higher than the Optimum Working Frequency (OWF).- the ALF exceeds the highest frequency in the user's frequency set. - there is no suitable frequency from the user's set that is between the OWF and ALF. Solar and geomagnetic activity
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