Search results with tag "Stealth antennas"
Introduction to Ham Radio Digital Mode FT-8
www.w0wtn.orgQRP, stealth antennas, poor conditions • Efficient use of bandwidth: signals are just 50 Hz wide, and can often be decoded if they overlap more or less entirely with others • Minimal QSO information is passed reliably • Popular, with lots of HF activity at present • Mechanized, without the personal touch that comes from legacy-mode ...
Stealth Antennas - RSGB Shop
www.rsgbshop.org38 Stealth Antennas check the SWR in the centre of the band. Now check it at the band edges too. If the SWR is better at the lower edge of the band than the top end this means it is
Stealth Antennas - RSGB Shop
www.rsgbshop.orgthe antenna balanced. If possible use a balun or choke as described earlier. Once you have ... tile type and the amount of metalwork in your attic. I have used this antenna at two different modern semi-detached and detached houses and it has always ... • 85ft W3EDP end-fed that went up to the top of a 60ft oak tree in my