HFbands (xls file), Region 1 Europe band plan of
HF frequencies from 136 kHz to 30 MHz (graphical & tabular forms),
2004
US Band Plan (jpg file and
PDF file), US band plan
from 1.8 MHz to 1300 MHz, ARRL,
2017
Band Plan, detailled frequencies allocation
from 1 kHz to 250 GHz, 2004
QRP frequencies, list HF frequencies
used for QRP activities
Beacons, list more than 1000 International HF beacons
from 1.8 to 50 MHz
CQzones, list all 40 zones (see CQ
Magazine) and concerned entities (DXCC)
DXNet, the main DX and local networks working in HF bands with time and frequencies
DXCC, list all 339 DXCC (see ARRL)
entities with their
prefix(es), QSL bureau, ITU zone, CQ zone, Time Zone and Entity code
ITUzones, list all 90 zones defined
by ITU
MostWantedDX, the "most
wanted" countries, are also listed yearly in The DX
Magazine.
Reflectors, list many radio
amateurs and astronomy mail servers (list servers)