Does anyone have any advice on how to shorten the cable to clean up an installation? Work in my H520 integration and I only need about 6-8 inches of it.
Here’s a toob of installing an MCX connector (didn’t watch it), but that’s what you’d have to do:
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Not sure exactly what connector the antenna cable has… Or the size of the cable used… But its just a coax so just snip and add a new tip.
I have purchased plenty of tips at local radio communication shops or even ebay/aliExpress.
It is alot easier to do with the right cable striping tools but can be done with general diy tools too…
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In agreement with @DetritalGeo I’m going to hijack a little bit here @michaelL to get the point across for others…
Yep, most of us know you have to do a proper job, but if anyone has ideas of cutting a chunk out of the middle and splicing the cable back together - DON’T DO IT. Your SNR and ultimately your survey results depend on the best connection possible. That means maintaining the coaxial form where the outer shielding stays a certain distance from the center conductor, and that also means only use proper connectors. No twisting the wires together and binding with electricians tape! LOL.
BAD EXAMPLE:
GOOD EXAMPLE:
That is a great disclaimer. Do these look correct? I’m not sure what cable the Tallysman has.
Yootop 10Pcs MCX Male Plug Straight Crimp RF Adapter Connector for RG179 Cable https://www.amazon.com/dp/B07CTCDNVL/ref=cm_sw_r_cp_apa_i_gANQCbX3M5QT7
I wanted to make sure I wasn’t pointing any fingers at you with my comments 
It’s hard to verify which cable is used. My Tallysman TW4721 antennas do not have any cable markings.
Here’s one spec for the RG179 that goes with the connectors you found:
They say an insulation diameter of 2.54mm which compares pretty closely with a school-ruler comparison to the coax on my antennas. I’m not going to chop mine to verify the internal specs though 
Wow, i would never think to splice that way…
Always a new tip. They are a few bucks for a bag of 10.
I will take some trial and error to get the shielding trimming correct to optimize the fit in the new connector. A good crimper is essential for a reliable cable.
Alternativley, if you happen to live close to a radio/communication shop, they can often make custom cables and can do this task for you very quickly…
Do you have a photo of the current tip?
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Of course. Good advice there. 
People who have not dealt with RF cables before usually are thinking that you hook up + and - or Hot and Neutral and you’re good to go, right? I’d hate for anyone to mess up their antenna for lack of a little knowledge…
Photos from the Emlid store:
Yeah, the push in type looks like MCX. I assume it is the male with the pin at the core.
I think i used RG316 cable in the past… Many types though as some are stiff and some are more flexible.
The link above should work. These may as well:
https://rover.ebay.com/rover/0/0/0?mpre=https%3A%2F%2Fwww.ebay.com%2Fulk%2Fitm%2F223468572420
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