Questions tagged [pl259-so239-connector]

Use this tag for questions relating to the ever popular "UHF" connector (SO-239 is the "female" type mounted on a chassis; PL-259 is the "male" connector usually found on the ends of coax).

Filter by
Sorted by
Tagged with
2 votes
3 answers
50 views

Is a UHF connector any real disadvantage off the transmitter circuit board or at an antenna feedpoint?

I have a discone antenna intended for use in the 25-1300 MHz frequency range, but it uses a SO-239 connector. Now, we know that the so-called "UHF" i.e. the PL-259 male plug and SO-239 ...
user avatar
6 votes
2 answers
138 views

Where can one get a "listed" SO-239 lightning arrester?

According to this summary of NEC requirements for radio antenna grounding (from 2014, but hopefully still somewhat accurate): https://www.mikeholt.com/files/PDF/Radio_and_Television_2014NEC.pdf It ...
user avatar
4 votes
2 answers
428 views

How do I know if my coax connectors are good?

In installed a couple of compression style PL-259 connectors to the ends of RG8/U FOAM coax. It's about 16 feet in length. Here is an example of one of the connectors: How do I know if the coax is &...
user avatar
  • 740
1 vote
1 answer
782 views

SO-239 (UHF) vs N connector power handling on 160m

I am curious how much CW power an N connector or SO-239 connector will handle on such a low frequency like 160m band. I know on VHF they will probably handle about 800W before getting too warm. I ...
user avatar
  • 425
1 vote
3 answers
339 views

Temporary/Portable station coax pl259 connector water proof?

Currently, I am running a semi-portable setup at home. I have a spool of 100ft of lmr400 coax outside in the porch where it free from most weather and rain. I only drag it out to the yard when I am ...
user avatar
2 votes
1 answer
11k views

PL-259/SO-239 vs N Type vs BNC which is best connector to use when?

I understand that the: PL-259/SO-239 connector (so-called "UHF connector") isn't great for UHF frequencies, but is very common N type connector is water-proof; and the BNC connector is quick to ...
user avatar
2 votes
1 answer
871 views

How to identify a high quality PL-259/SO-239 (so-called "UHF") connector?

How do you identify that a UHF Connector (PL-259 & SO-239) is of a high quality and build? Do you identify specific materials in the construction, gold plating, or other characteristics? How will ...
user avatar
0 votes
1 answer
157 views

Terminating double-shielded coax

When terminating coax (e.g. RG-400) that has an outer braid over an inner braid onto an SO-239 chassis mount, do we want to solder both the inner and outer braids together onto the ground of the SO-...
user avatar
  • 740
5 votes
4 answers
563 views

Soldering PL-259.. with a torch?

I came across this article about torch soldering PL-259 coax connectors. It seemed like a good idea since the body needs a lot of heat to get solder to flow into the holes. It's a little vague when ...
user avatar
  • 740
10 votes
1 answer
522 views

How terminate RG8 coaxial cable using PL259 (UHF) - screw - gasket - solder type?

Today I came across a problem in terminating RG8 cable using this PL259 plug. I have never had this type and it arrived in a pile of parts; I have tried to puzzle it together but without positive ...
user avatar
  • 101
9 votes
2 answers
4k views

Why do so many HF transceivers use a UHF connector?

Just looking around at various rigs online for a fiend. Lots of them look really attractive TS-480, K2, K3, FT-450D, FT-950, IC-78, FT-897 to name just a few... These rigs are mostly HF, albeit some ...
user avatar
  • 2,744
5 votes
2 answers
3k views

Pros/cons of the PL259/SO239 connector (M type)?

What are the pros/cons of the PL259/SO239 connector (M type), and why is it used preferentially on civilian rigs vs military?
user avatar
  • 2,266