Search Results for "vertical 20 meter"47 links - and 1 categories
- Petlowany Three-Band Burner Antenna
- The Petlowany Three-Band Burner is a simple, low-cost, trapless short vertical antenna which amazingly works on three HF bands (20, 15 and 10 meters). This web page contains pictures, performance data, and enough construction details so you can homebrew your own.
[ Hits: 5458 | Votes: 4 | Rating: 8.75 ]
- A portable 10/20/40 mt vertical antenna
- A portable vertical antenna for 10 to 40 meters, designed for mobile operations can be used in a car as seen in pictures. A modified version for 20 and 40 meters is described too.
[ Hits: 67481 | Votes: 33 | Rating: 4.99 ]
- 160 Meter Antennas at W8JI
- 160-meter vertically polarized transmitting antennas center around this 200-foot tower
[ Hits: 3591 | Votes: 1 | Rating: 10.00 ]
- Building High Power, High Q, Loading Coils
- This page describes the loading coil (inductor) that W8WWV built for my center-loaded 160 meter (1.83 MHz) vertical antenna.
[ Hits: 5688 | Votes: 3 | Rating: 7.00 ]
- 160 meters kite lifted antenna
- 160m Band 1/4 Wave Kite lifted vertical antenna
[ Hits: 1024 | Votes: 1 | Rating: 1.00 ]
- 20 Meter Vertical Moxon
- A 14 mhz version of the vertical moxon antenna homebrewed by Paul M1PAF
[ Hits: 8116 | Votes: 9 | Rating: 5.78 ]
- OH2FFY - Car Antenna
- Low cost build up of a 20 meter vertical for stationary mobile use that performs exceptionally well.
[ Hits: 1087 | Votes: 5 | Rating: 4.60 ]
- 20m T-Monopole
- 20m T-Monopole short vertical antenna for 20 meters by AA5TB
[ Hits: 9890 | Votes: 3 | Rating: 8.67 ]
- The ground image vertical antenna
- A 20 meter quarter wave vertical antenna by jerry sevick W2FMI QST Article
[ Hits: 4260 | Votes: 3 | Rating: 6.67 ]
- Vertical moxon for 14 Mhz
- A vertical Moxon with different feeding for the 20 meters by SM0DTK
[ Hits: 4741 | Votes: 2 | Rating: 10.00 ]
- Build this Novice 4 band vertical
- Home made vertical antenna for 80 40 15 10 meters
ARRL PDF file taken from QST June 1978
[ Hits: 69236 | Votes: 42 | Rating: 7.02 ]
- Dual Band Vertical On Autopilot
- A good 20 & 40 meter dual band vertical using a novel tuning method that provides automatic band switching.
[ Hits: 4479 | Votes: 2 | Rating: 5.50 ]
- Vertical Moxon for 40 meters
- A vertical half-moxon for the 7 Mhz by F6IRF
[ Hits: 2085 | Votes: 0 | Rating: 0.00 ]
- Dual Band vertical antenna for 20/40
- A 20 and 40 meter vertical on Autopilot by K6MHE PDF File
[ Hits: 9060 | Votes: 7 | Rating: 7.00 ]
- 80 Meter Vertical Experiment
- 80 meter vertical experiment by Bob Raynor N4JTE
[ Hits: 2281 | Votes: 2 | Rating: 5.50 ]
- Hex Array - 80/40 Meter Vertical
- This page describes a homebrew 80/40 meter trap vertical antenna. Includes an interesting antenna raising system that allow easy setup and tuning.
[ Hits: 6788 | Votes: 2 | Rating: 5.00 ]
- Vertical antenna for Vacation
- Vertical Vacation Antenna for 80, 40 and 20 Meter-Band, by Herbert OE3BMB
This antenna is a full size λ/4 for 20m and 40m band, and a shortened λ/4 for the 80m band.
Generally on the 40m band the SWR is under 1,6. In 80m and 20m band at the resonant frequency the SWR is about 1,1.
[ Hits: 4568 | Votes: 4 | Rating: 8.00 ]
- A two dollar helical hf portable antenna
- Here’s an easily transportable vertical antenna for 20 meters collapsible to 4 feet that costs about $2.00 to make.
This was created as a fun project to demonstrate how to enjoy operating HF in the field with a home-made portable antenna without spending a ton of money.
Bev AH6NF (YL) made this antenna, tuned and ready to operate in less than one hour
[ Hits: 18464 | Votes: 10 | Rating: 7.30 ]
- Effects of Very Large Ground Screens
- A theoretical and experimental study of the effects of very large ground screens on 20 meter verticals
[ Hits: 264 | Votes: 0 | Rating: 0.00 ]
- Petlowany Three-Band Burner Antenna
- a simple, low-cost, trapless short vertical antenna which amazingly works on three HF bands (20, 15 and 10 meters)
[ Hits: 14607 | Votes: 5 | Rating: 8.20 ]
- Vertical wide band 7-21 Mhz
- The RXO unitenna pdf file a vertical antenna for 40 to 15 meters band
[ Hits: 22570 | Votes: 33 | Rating: 6.29 ]
- Backyard 7 Mhz Vertical
- A vertical antenna for 40 meters band by PA5MW
[ Hits: 664 | Votes: 0 | Rating: 0.00 ]
- Short Dipoles
- Short dipoles and verticals for 160 80 and 40 meters
[ Hits: 34196 | Votes: 18 | Rating: 4.62 ]
- VA3GRR - Radio Beacon
- VA3GRR is a radio beacon, operating on the 10 meter amateur band. Its frequency is 28.205.5 MHz. It runs just under 5 watts of power into a vertical half-wave ringo style antenna
[ Hits: 256 | Votes: 1 | Rating: 10.00 ]
- ZeroFive Antennas
- Vertical antennas for all HF bands, expecially 80 40 20 meters bands
[ Hits: 6186 | Votes: 39 | Rating: 9.45 ]