Výsledky VKV závodů

OK	http://vkvzavody.crk.cz/index.php?page=home
OK (do 2018)	https://vkvzavody.moravany.com/
OK (Provozní aktiv)	https://vkvpa.hamradio.cz/
OM	https://vkv.szr.sk/
S5 (live score)	https://slovhf.net/claimed/
S5	https://vhfmanager.net/
9A	https://www.hamradio.hr/vhfrobot/index.php
PA	https://contestrobot.pe1itr.com/
G	https://www.rsgbcc.org/cgi-bin/claim.pl
F	https://concours.r-e-f.org/logrecus/index.php
DL	https://dxhf2.darc.de//~ukwlog/user.cgi?form=referat&lang=de&fc=ukwres
HB9	https://uska.ch/contest/schweizer-contest-uhfvhf/
YO	https://www.vhfdx.ro/
I	https://contest.ari.it/user_elenco_contest.php
SM	https://contest.ssa.se/
OZ	https://vushf.dk/contest/
LZ	https://vhfcontest.bfra.bg/
IARU	https://iaru.oevsv.at/

Různé nástroje

DXLog.net	https://dxlog.net/
DXLog.net custom forms	https://dxlog.net/sw/#files%2Fcustomization%2Fforms
AirScout	http://airscout.eu/index.php
Log analyzer DL4MFM	http://tools.adventureradio.de/analyzer/
WG7J GridMapper	http://wg7j.reinalda.net/gridmapper/gridmapper.php
Hepburn tropo forecast (NW EU)	https://www.dxinfocentre.com/tropo_nwe.html

Antény

DG7YBN	http://dg7ybn.de/
DK7ZB	https://www.qsl.net/dk7zb/start1.htm
YU7EF	http://www.yu7ef.com/
G0KSC	https://www.g0ksc.co.uk/

Technické

LC Filter Design Tool	https://markimicrowave.com/technical-resources/tools/lc-filter-design-tool/
Microstrip Filter Design Tool	https://markimicrowave.com/technical-resources/tools/microstrip-filter-design-tool/
IP3 Intermodulation Calculator	https://markimicrowave.com/technical-resources/tools/ip3-intermodulation-calculator/
WinRFCalc	https://rfcalculator.com/
RF Design Tools	https://rfdesigntools.pythonanywhere.com/
everythingRF Calculators	https://www.everythingrf.com/rf-calculators
KiCad EDA	KiCad EDA – Schematic Capture & PCB Design Software