sw antenna

305 links - and 3 categories

4m Tall Vertical Dipole for 20m - TF3LJ
Constructed in May 2008 this innovative 4m tall electrically full size halfwave vertical dipole tunable ...

[ Hits: 95 | Votes: 0 | Rating: 0 ]

Budget-Friendly 5-Element Quad Antenna Design - KD6GLF
Constructing a 5 element quad antenna the author aimed for low cost and simplicity resulting ...

[ Hits: 122 | Votes: 1 | Rating: 7 ]

Online LInked Dipole Designer - SotaAntennas
The page for designing linked dipole antennas allows users to swiftly create a versatile multi ...

[ Hits: 100 | Votes: 0 | Rating: 0 ]

160-80-40 Metre Trapped V-Dipole - VK4ADC
A Trapped dipole inverted V antenna for lower HF Bands Construction details are for temporary ...

[ Hits: 111 | Votes: 0 | Rating: 0 ]

8010 Enfed Antenna - F5NPV
With this antenna the coverage is 80 40 20 15 and 10 meter band without ...

[ Hits: 142 | Votes: 0 | Rating: 0 ]

End fed half wave antenna 40/30/20m - TK5EP
For my SOTA activities i recently bought a QRP transceiver QRP SW 3B which is ...

[ Hits: 170 | Votes: 0 | Rating: 0 ]

RF Choke with Bifilar Windings - rjbono
This article presents an RF Choke featuring an 11 bifilar turn winding of 14 house ...

[ Hits: 87 | Votes: 0 | Rating: 0 ]

Outdoor 80m/40m bands Magnetic loop antenna - PA0NHC
No matching adjustments needed Directly perfect match to 50 Ohms using a remotely switched wideband ...

[ Hits: 225 | Votes: 0 | Rating: 0 ]

Tuning OCF L-Dipoles - KK4OBI
The behavior of a straight dipole and its L form is examined in terms of ...

[ Hits: 43 | Votes: 0 | Rating: 0 ]

Dual-Band X-Frame Shortwave RX Loop Antenna - KD6RF
A dual band X frame wire antenna made using 4 turns for response down to ...

[ Hits: 148 | Votes: 1 | Rating: 10 ]

Antenna Measurements - Bevelacqua
Testing of real antennas is fundamental to antenna theory The most common and desired measurements ...

[ Hits: 61 | Votes: 1 | Rating: 10 ]

VHF UHF Duo band Yagi Antenna - DK7ZB
Duoband Yagi 2m 70cm with 4 Elements on 2 m and 5 Elements on 70 ...

[ Hits: 156 | Votes: 6 | Rating: 7 ]

The Squid Pole Wire Antenna Re-visited - VK4ADC
The author explores enhancing the performance of a 7 meter fiberglass squid pole wire antenna ...

[ Hits: 92 | Votes: 0 | Rating: 0 ]
Wire on the Ground: Portable Radio Success with Grasswire Antenna - VA3KOT
The author shares a unique experiment with a 200ft Grasswire antenna laying wire directly on ...

[ Hits: 103 | Votes: 0 | Rating: 0 ]

Fully automatic antenna switch project - DK1MI
Cheap and simple fully automatic antenna switching that permit to automatically select the proper antenna ...

[ Hits: 88 | Votes: 0 | Rating: 0 ]
Smart SO2R Antenna Switcher: A DIY Solution - KK7S
In pursuit of enhanced station efficiency the author describes crafting an Arduino based smart antenna ...

[ Hits: 156 | Votes: 0 | Rating: 0 ]

Automatic antenna switch with Arduino Nano - OK2WY
Arduino Nano board based antenna coax antenna switch intended for use with ICOM CI V ...

[ Hits: 141 | Votes: 1 | Rating: 9 ]
IC-7300 Arduino Based Antenna Switch - G4HSK
An Arduino Based Antenna Switch For The IC 7300 that monitors the band voltage from ...

[ Hits: 125 | Votes: 0 | Rating: 0 ]
The AntennaPi - DK1MI
This is a remote antenna switch I use in my attic to connect transceivers in ...

[ Hits: 135 | Votes: 0 | Rating: 0 ]
WIFI Remote FUCHS ATU for EndFed Antenna - F5NPV
The Fuchs Antenna tuner with a resonant circuit as a coupler The Fuch Antenna Tuner ...

[ Hits: 117 | Votes: 0 | Rating: 0 ]