A site about HAM radio

by SM0BRF

Skip to content
  • The Blog
  • The blog for 2018
  • The blog for 2017
  • My Antennas
    • Overview
    • Antennas for 80m
    • Antennas for160 m
    • My Beverage antennas
    • My antenna for 10, 15 and 20 meters
    • Antenna for 40 m
    • Antenna for the WARC bands
  • About Antennas
    • What is e.i.r.p.
    • A comparison of Cushcraft A3S and Mosley PRO-96
    • Interaction between the tribander and closely spaced dipoles for 30 and 40m
  • Antenna projects
    • Replacing the Beverage feeding system
    • Military telephone cable as the antenna wire. How big are the losses?
    • Measuring attenuation of DL1000 military telephone cable.
    • Common mode measurement of DL1000 telephone cable.
  • Propagation
    • Measuring the angle of incidence of the sky wave on shortwave – a project.
    • Propagation dependence of A indices
    • Propagation from Brazil
    • Is there reciprocity?
    • Does anybody want to join an effort to test reciprocity?
    • Aurora and sporadic E
  • SDRs
  • Other hobbies
    • Orienteering
    • Skiing
  • My QTH
    • Where am I?
  • About me
  • SM0BRF_en
  • Radio trips
    • A trip to Gran Canaria in December 2018
    • A travel to EA8 in 2018
    • A travel to EA8 2016
    • A travel to EA8 2014
  • All posts
  • EMC and RFI
    • RFI Noise
    • EMC trouble with a “Home Studio”
  • The shack with the IC-735 and Drake L7
  • Svenska
  • Laddare
A site about HAM radio

SM0BRF_en

Welcome to the Website for the Amateur Radio Station SM0BRF
Please chose from the Menus

Local radio weather from Tromsø Geophysical Observatory .

The k-indicies

Dombås Norway:

ICELAND:

More data HERE

  • English
  • Svenska
Proudly powered by WordPress