Questions tagged [coaxial-cable]
Questions about coaxial cables, including different types of cable, connectors, adapters, and other topics.
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Run antenna coax through hatchback of a Nissan Rogue
I have a 2014 Nissan Rogue and am trying to figure out best place to run my coax from a mag-mount antenna. Seems not many do this anymore and cannot find answer in search. Do not want to run it ...
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QRP operation SOTA, what coax cable feed-line for HF?
I've done outdoor activities, POTA and WWFF, with a coax RG58 feed line with PL conectors, around 3 meters (9.8 feets), for wire EFHW antennas working HF bands (40m, 20m and 10m).
Now I want to do ...
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RF Coax Termination Question
I am looking to terminate a line with the below characteristics and having a hard time locating an RF coax terminator. Can anyone help?
I have an FPGA HW that is feeding multiple receivers. The input ...
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Snap on choke on coax line leading from radio. Wrapped an LED around the choke and it lights with transmission, but only on certain bands? SWR?
Why does a LED wrapped around a snap-on Choke attached to radio antennae coax only light up when transmitting on certain bands? Is this an indication of high reflected power in the braid inducing ...
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Suggestion for the RF cable
I am setting up a HAM antenna (50 ohm) on my house terrace. The cable length is going to be around 25 meters from terrace to my transmitter. Which type of co-axial RF cable should I choose with low ...
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Long Distance antenna feedline for UHF/2.5GHz signal
I'm building a boat towed underwater platform. This underwater platform has a single board computer with a remote wifi antenna connection via a u.fl connector.
I'm experimenting around with a way to ...
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Coax in the wall, or around the house?
I am mounting a hex-beam antenna to the peak of my house (assuming that I can find someone with a cherry-picker or a scissor-lift that can help me get it up there). Right at that end of the house is ...
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How to calculate phase constant for a coaxial cable?
inner and outer conductor diameters of 1 mm and 5 mm respectively, is filled
with a non-magnetic PTFE dielectric having εr = 2.55. frequency = 1 GHz.
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Using UV5R HTs. Will i lose receiving range by attaching coaxial cable to put my antenna remotely as well as higher?
Using beofeng UV5R HTs. Changed antennas to retevis whips. Will adding coaxial cable to HT & antenna for height reduce or increase reception. As i'm in a valley. I receive only. As i'm still ...
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Dipole antenna using current on outside of coax as intentional radiator?
Is there an antenna design somewhat like a coaxial dipole, where the coax ends in a quarter-wave radiator, but instead of an explicit coaxial radiator running back over the coax body, the outer ...
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Attaching a bulb to amplified coax cable will it light?
I am IT person not Ham operator and I guess it is difficult for you to understand me and my different thinking so this is a very simple question that will probably answer the dilemma at Coaxial cable ...
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What happens with LNA in bidirectional communication? [closed]
I want to ask that if you have a cable that has started with 40dbm source signal and has reached -10dbm then you put LNA (the end of the cable will be plugged to RFIN), then attach the RFOUT to ...
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Coaxial cable loss, dbm, db correlations
I am very confused how ham operators deal with all this, because most of the information in internet is controversial.
I have coaxial cable with loss of 34dB at 100 meters at 2400mhz.
People say that ...
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Wired RF connection without antenna
I’d like to build a radio system for use in underground caves. Wireless signals are nearly impossible to propagate in this environment, so I’d like to run long coaxial cable between each station. Are ...
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Using NanoVNA to tune antenna
I'm extremely new to this, so I'm mostly asking for tutorials and so on.
I have tried configuring the device according to one tutorial I found. When I hook up the cheap antennas that came with a ...
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