NanoVNA - very tempted

The NanoVNA is a palm sized vector network analyser  I have the TinySA, which is its brother spectrum analyser. Like many things out of China, there are many clones, so you have to be sure you are buying originals and not copies. One of the things it can do is plot SWR against frequency, so you can check if your antenna is spot on.  It can also be used to check trap frequencies.

See nanovna.com .

UPDATE 1555z:  Ordered from Mirfield Electronics.