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This evening as I was driving home, I noticed a loud station on 28.475 running a pileup of mostly Spanish stations. Although my Spanish is sadly very poor, it is good enough for me to realise it was PP5BS. I haven’t worked Brazil yet from the mobile, so I wanted to have a go.

I pressed to transmit and there was a loud whistle. Initially I thought it was feedback or that I was in PA mode, but no. Pressed again and it was fine. Intrigued now, I moved off frequency and kept going over to transmit to see if it would do it again. Once every few it would, but I couldn’t fathom out why.

When I got close to home, I stopped to try and find out more. Associated with the ‘scream’ I could now see that the display said something that looked like ‘5 H 1’.

Great! Back home now, let’s see if I can find a list of Anytone AT-5555 status codes on the web. Um, not really. Back to the manual. Then I found that in the menus there is SWR protection. If turned on, it threatens to give a voice alert and switch off the transmitter. Of course, I had switched off voice alerts, so it was giving me a warning tone. And the display? Really, it was showing S HI which probably translates to SWR HI!

Now it makes some sense. When I mounted the transceiver, the PL259 for the antenna lead seemed a bit close to the floor, but I didn’t worry. I think the car was bumping on bits of road and a poor connection occurring.

I’ve now sorted that out, so I’m hopeful my rig will stop screaming at me!

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