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19-2-2025
UPDATED 5,92 meter 5el 9,72dBI OWA YAGI (with Maco elements)
(Antenna plans for a 5el wide band direct fed Superbowl / DX yagi)
19-2-2025
NEW: 7,75 meter 5el 10,42dBI Yagi (with maco elements)
An direct fed and improved version of the M-105C for SUPER BOWL and beyond
18-2-2025
New : 9,32meter 6el 11,12dBi Yagi (maco style elements)
Antenna plans for a 50 ohms direct fed 6 elements CB Yagi.
9-2-2025
Transferred and updated the EZNEC analysis of the SIRIO SY-4
A EZNEC review of the SIRIO SY-4 CB antenna
8-2-2025
Transferred and updated the EZNEC analysis of the MACO 103C
A EZNEC review of the MACO 103C CB antenna
8-2-2025
ADDED: A 17,95 meter boom 12,9 dBI OWA SUPER WIDE BAND Yagi
Antenna plans for a 8 elements CB 27/28 MHz OWA yagi with a hugh SWR response !
2-2-2025
Updated : How high should i place my vertical 27 MHz antenna?
An insight on how high your vertical CB antenna should be for local communication and
For DX including different ground situations.
(still working needs more updates)
26-1-2025
Updated the 1,6 M 2el Cubical Quad
(antenna plans for a 2el cubical quad for 27 MHz)
Back: 16,40 M 8 elements OWA YAGI
(antenna plans for a simple (high power) 8 element yagi superbow / DXing)
25-1-2025
Back online: the 9,12 meter OWA yagi for 27 and 28 MHz
( A 6 elements simple to construct (OWA) yagi for 27 and 28 MHz)
23-1-2025
Updated height versus take-off angle
(still working on it)
(How is ground and height and polarisation of influence.)
18-1-2025
Updated and transferred “S.W.R”
( simple hints and tips regarding the SWR of your 27 MHz antenna)
16-1-2025
Updated and transferred “THE DIPOLE”
( What is and how to construct a dipole antenna for 27 MHz)
15-1-2025
Transferred STACKING / Co-PHASING YAG’s from DX antennas.com webiste
(how to stack your antenna and what to consider)
14-1-2025
Updated and transferred the COAX and pre-amps page
(How long should my coax length be ? Does a pre-amp work ? etc)
12-1-2025
Updated the 3el Skypper (new sizes)
(A homemade light CB yagi ideal for portable use)
3,0M 3el OWA yagi back online (3 versions)
11-1-2025
3,45M 3el Skyrex from 9AT119 back online.
possibly the best portable 27 MHz antenna ?
10-1-2025
Havnt worked on the site in a long time 🙂 …
The site is back-up and running, will try to restore and repair as much as i can.
30-1-2021 / 2-2-2021
Updated “radiation patterns” from DX-antennas.com to CB-antennas.com
And started to transferred several pages Dx-antennas to CB-antennas from it.
27-12-2020
(how to construct a extended double zepp antenna for 27 MHz)
21-10-2016
11,66 M OWA 11 m Yagi building plans “SUPER BOWL/DX” back online
20-10-2016
End-Fed (Fuchs) description in Dutch
(How to construct a home made halve wave CB antenna)
9-9-2016
19-8-2016
Added small 3el V-Yagi FM broadcast wide band
4-8-2016
Having some antenna fun at my home location :
28-3-2016
SADLY DUE TO SERVER ISSUES WE LOST SEVERAL YEARS OF WORK
SLOWLY IM TRYING TO GET IT BACK ONLINE
The Sigma IV article was one of those articles who got lost…its back 🙂
(A detailed article about the Avanti Sigma 4 focused on the discussion from Home | WorldwideDX Radio Forum)
CONGRATULATIONS !
Mr Davide,
Scored a the NR#1 place Italy
(single band 28 mhz. /high pwr)on last CQ World Wide RTTY Contest 2013)
With his home made 8el U-yagi (28 MHz design)
Well done !, and thank you for the beautifull picture.
27-04-2013
Added a 5,91 M OWA inch version
25-04-2013
added second version on the 13,00 M 7el OWA version
1 MHz wide 1;1 SWR. 50 Ohms, direct fed.
21-04-2013
update on the 4el owa, a “inch” version is added.
15-04-2013
A lot of pages (technical info), have been removed.
They will be updated.
If you wish to visite them, I believe they still are availible on www.dx-antennas.com website
Last update 12-04-2013 :
Added 3,60 DX-Beam 11-3el Yagi and the 5,40 5el WULF in “eznec battle
With 100.000 visitors I closed www.19sd348.nl down and made it a mirror site linking to this page.
A remarkable 20 degrees C !
Spring time brings antenna fun again.
(testing a 7el V-yagi @ 19SD348)
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26SW037 has found another application…for when there is no propagation !
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Dedicated for 27 Mhz (11 meter / cb) antenna systems