## Search Results for "diameter"

26 links

#### Pages: 1 2 [next]

Antennas : 40M- Top loaded vertical
- Vertical Antenna for 40m Band with elevated Radials
Top Load is a Mesh 2 x 1 meter (Netz 2x1m)
enamelled wire 0.5 mm
**diameter**(CuL 0,5mm)[ Hits: 2051 | Votes: 1 | Rating: 1.00 ] - JA7KPI Windom antenna for 40-80
- The total length of this antenna is 41m, height is about 11m, and
**diameter**of element is 2mm. JA7KPI modified this antenna originally used as Inverted-V type of 80m band Dipole. Works on 40 - 80 meters band with acceptable swr.[ Hits: 6388 | Votes: 4 | Rating: 6.25 ]

- Dish antenna
- ZL1BJQ 23 feet
**diameter**dish antenna for 432 Mhz[ Hits: 329 | Votes: 1 | Rating: 1.00 ]

- Broad Band Dipole for 80m
- Mesh constructed with enamelled wire 0.5 mm
**diameter**For installing a support (plastic rope 2 mm) is needed. Antenna used on Solomon Isl in 1995 H44/DJ9RB[ Hits: 3675 | Votes: 1 | Rating: 1.00 ]

- Antenna wire catenary calculator
- This is a simple calculator for solving the antenna wire catenary between to end points given the design wind speed, mass per unit length of the wire, wire
**diameter**and Gross Breaking Strength of the wire.[ Hits: 2588 | Votes: 6 | Rating: 3.17 ]

- A 4:1 Air-wound Balun
- 40mm
**diameter**grey PVC pipe with a length of 9.5cm[ Hits: 2276 | Votes: 1 | Rating: 7.00 ]

- 20 meters Cage Dipole
- Cage Dipole is based on the fact that a wireframe does emulate a tubing of the same
**diameter**, supposed that the wires in the frame are close enough to resemble a solid surface.[ Hits: 11467 | Votes: 5 | Rating: 6.20 ]

- 20 thru 10 Meter Fan Dipole
- The 20 thru 10 meter dipole is constructed from #10 stranded insulated wire available in most hardware stores.
The feedpoint uses an 8 inch long section of 2 inch
**diameter**PVC pipe. A section of wire joins the elements at either side of the feedpoint to avoid the inductance of square knots that I use on lower frequencies by W1TR[ Hits: 405 | Votes: 2 | Rating: 4.50 ]

- Low loss Japanese coaxial cable
- 5D-FB,8D-FB,10D-FB cables offer very low attenuation comparable to that of famous Andrews' Heliax and 8D-FB is almost half that of standard RG-213 for an equivalent
**diameter**![ Hits: 787 | Votes: 2 | Rating: 9.00 ]

- The normal-mode helix antenna
- A helix will work in the normal mode when the
**diameter**and pitch of the helix is less than 0.1 Lambda[ Hits: 2671 | Votes: 4 | Rating: 5.75 ]

- 1 meter HF loop Antenna
- Remotely tuned 1m
**diameter**HF loop antenna for 7 to 29MHz by G8JNJ[ Hits: 2266 | Votes: 3 | Rating: 6.33 ]

- 160/80m Coaxial Receiving Loop Antennas
^{pop}- Receiving loop antenna for top band. This antenna allow to reduce noise on both bands. The stand alone 80m loop is approximately four feet in**diameter**. And made of light weight material. Which makes it ideal for portable use or you can mount it above a pre-existing vhf antenna, and due to it's small size it is quite rotatable.[ Hits: 58574 | Votes: 53 | Rating: 6.13 ] - Magnetic loop for 40 meters
- Mag Loop aerial for 40mtrs.
**Diameter**is 3 Mtrs. Rotator and tuning with pictures.[ Hits: 2287 | Votes: 2 | Rating: 8.50 ] - CT1ETT Magnetic loop antenna
- This magnetic loop is 78cm
**diameter**, with the smaller Hertz loop for tuning. Feeding is by gamma match.[ Hits: 1713 | Votes: 1 | Rating: 10.00 ] - 1m HF loop antenna for 7 to 29MHz
- A remotely tuned 1m
**diameter**HF loop antenna for 7 to 29MHz by g8jnj[ Hits: 2336 | Votes: 3 | Rating: 1.67 ] - Magnetic Loop Antenna Calculator
^{updated}- Windows program to calculate magnetic antennas, allow to calculate capacitance and voltage based on Loop circumference, desired resonant frequency, conductor**diameter**and the operating power by KI6GD[ Hits: 942 | Votes: 10 | Rating: 6.80 ]

- Moxon Rectangle Calculator
- Program to calculate the dimentions of a Moxon Rectangle.
All equations correlated to NEC antenna modeling software for wire
**diameter**s from 1e-5 to 1e-2 wavelengths.[ Hits: 4949 | Votes: 19 | Rating: 5.72 ]

- A Magnetic Loop antenna for 7-21 mhz
- If you find external wire antennas obtrusive for amateur radio or short wave listening, then this is the antenna for you, is just 1 meter
**diameter**[ Hits: 3139 | Votes: 2 | Rating: 5.50 ]

- The Low Frequency Receiving Loop
- The Spreaders are 3 feet, making the loop 6 feet in
**diameter**. There are 5 spreaders so the windings can alternate from side to side. There are 30 turns of 18 gauge stranded insulated wire.[ Hits: 2079 | Votes: 1 | Rating: 10.00 ]

- The CJU Antenna
- A sat antenna that can be easily built with a 4mm
**diameter**aluminium rods and a small PVC pipe. This antenna allow UHF VHF usage and can be a valid portable sat antenna, project by DF3FX[ Hits: 339 | Votes: 1 | Rating: 2.00 ]

- Caltech Submillimeter Observatory (CSO)
- A 10.4-meter
**diameter**, submillimeter spectrum telescope. Situated at the top of Mauna Kea, Big island, Hawaii.[ Hits: 475 | Votes: 0 | Rating: 0.00 ] - FCRAO
- A 15-meter
**diameter**, submillimeter spectrum telescope. Situated near the summit of Mauna Kea, Big island, Hawaii.[ Hits: 403 | Votes: 0 | Rating: 0.00 ]

- Single-layer Coil Inductance and Q Calculator
- This calculator ask as input
**diameter**, lenght turn and frequencu and will return L and Q[ Hits: 175 | Votes: 3 | Rating: 7.33 ]

- Coaxial Cable's specifications
- A table with Loss in DB/100m , Max power in Watts,
**Diameter**in mm , Velocity factor (VF) expecially in VHF UHF and Microwave[ Hits: 2565 | Votes: 7 | Rating: 7.15 ] - Fitting a PL259 to a coaxial cable.
- Fitting a plug to thin, 6mm, coaxial cable will require a PL-259 either made for the small
**diameter**cable[ Hits: 347 | Votes: 1 | Rating: 1.00 ]