from coax
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Antennas : 160M- G3YXM Small Loop
- This simple antenna is capable of remarkable results on 160, 80 and 40 metres. Forming a triangle from around 50 feet of satellite TV coaxial cable, the top of the triangle can be as low as 15 feet, and the lower side just high enough to prevent a passer by hanging themselves
[ Hits: 3761 | Votes: 2 | Rating: 9 ]
- 30m vertical dipole
- The 30 Meter Vertical Dipole is constructed from #10 stranded insulated wire available in most hardware stores.
The feedpoint uses a T-section of PVC pipe. The coax loops through the PVC pipe to provide strain relief. by W1TR
[ Hits: 2050 | Votes: 2 | Rating: 4.5 ]
- 40 Meter Horizontal Loop
- The 40 meter horizontal loop is constructed from #10 stranded insulated wire available in most hardware stores.
The feedpoint uses PVC a pipe T-section. The coax loops through the T-section to provide strain relief by W1TR
[ Hits: 1540 | Votes: 0 | Rating: 0 ]
- 9 dB 70cm Collinear Antenna
- Build A 9 dB UHF Collinear Antenna From Coax By N1HFX
[ Hits: 3741 | Votes: 26 | Rating: 6.68 ]
- When and Where to Use Baluns
- Baluns are usually used by Hams to feed dipole antennas with 50 ohm coax and to transpose from ladder line feeding a multi-band antenna to the unbalanced input of an antenna tuner.
[ Hits: 1522 | Votes: 9 | Rating: 7 ]
- 50 Ohm Coaxial Dipole
- This dipole is composed by a coaxial structure and non-folded dipole made from two open conductive cylinders, and benefits from the stub compensation of a folded dipole by passing an insulated wire through the axis and connecting it to the ends of both limbs. By G4CQM
[ Hits: 618 | Votes: 1 | Rating: 3 ]
- Coaxial feeder or RF coax cable
- An overview of coax cable often called coaxial feeder or RF cable, used to feed antennas and deliver radio frequency power from one point to another
[ Hits: 647 | Votes: 3 | Rating: 3.67 ]
- Trap on Coax Cable
- A trap on the coaxial cable, also known as choke, helps to eliminate the sneaking of the reflected RF- energy to the shack. The trap can be made from the coaxial cable that feeds the antenna
[ Hits: 964 | Votes: 2 | Rating: 6.5 ]
- 6 m JPole Antenna
- Based on original G2BCX design this J-Pole antenna for the six meter band is made with a homemade ribbon cable. The antenna shown in this article includes a coaxial cable choke feed to remove RF currents from flowing on the outer of the cable.
[ Hits: 1767 | Votes: 6 | Rating: 6 ]
- Simple Coax Mag Loop Antenna
- A homemade Magnetic Loop antenna from a spare 3m length of RG213 working from 30m to 15m with a 130pF tuning capacitor
[ Hits: 4002 | Votes: 11 | Rating: 7.18 ]
- OCF 2-Meter Sleeve Dipole Antenna
- A 144 MHz dipole antenna made from coax, PVC pipe, and aluminum foil tape
[ Hits: 3092 | Votes: 7 | Rating: 4.85 ]
- I7SWX Coax-Fed multiband antenna
- This simple multiband antenna works on all HF bands from 3.5 to 30 MHz, including WARC bands other than 10.1 MHz.
[ Hits: 4075 | Votes: 6 | Rating: 4 ]
- PL-259 Installation Made Easy for RG8X
- From TenTec Inc a video that illustrate a PL-259 installation on a RG8X coax cable
[ Hits: 1235 | Votes: 1 | Rating: 1 ]
- Ham Radio Deals
- Dealer for Alpha Delta hf antennas, switeches, Outbacker and super antennas, morse code keys, coax cable and military products, managed by W8GEG from Medina Ohio
[ Hits: 934 | Votes: 5 | Rating: 9 ]
- RF Relay Store
- RF Coaxial Relays from stock is the answer to your urgent small quantity needs.
[ Hits: 357 | Votes: 0 | Rating: 0 ]
- RF Calculators
- A collection of calculators from everything RF for various applications VSWR, attenuator resistance valies, microstrip, coax, unit conversions and many more.
[ Hits: 577 | Votes: 2 | Rating: 1 ]
- Coax Loss Calculator Online by K5VR
- RF Feedline (Coax and Ladder-Line) Loss and ERP Calculators made with Javascript.
This complex feddline loss calculator has already several line types paramenters for most common coaxial cables from Belden, Time LMR, Wireman and other common products. Result will give Matches loss, SWR loss, dB and Watts power loss.
[ Hits: 252 | Votes: 2 | Rating: 5 ]
- Diplexer 2m 70cm
- This DIPLEXER separates 2m from 70cm on the same coax cable, and allows to use 2 antennas over the same cable and permits transmission on one band
and simultaneous receiption on the other band by hb9abx
[ Hits: 3792 | Votes: 12 | Rating: 7.75 ]
- Lightning protection Coax box
- A lightning protection box done to disconnect antennas from the shack by PE2MC
[ Hits: 586 | Votes: 0 | Rating: 0 ]
- Build an All Band HF Air Core Choke Balun
- The main function of the Ugly Balun is to help eliminate rf currents from flowing on the outside of coaxial cable using the principle of choke action.
[ Hits: 791 | Votes: 12 | Rating: 7.84 ]
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