Manchester -> Heathrow
Left wire antennas in the bag and a handheld (relieved to see it on the x-ray as I couldn’t find it when I delved in!). They didn’t like that much, and it got a swabbing.
Singapore -> Sydney - only interested in laptops
Sydney -> Singapore - Everything laid out for them. Running repair on mic cable (broken RJ45 plug) => lots of electrical tape. They weren’t too keen on that. LiFePO4 drew attention. I think he was trying to read the label to check the capacity. But it was my Czech Army Morse key which drew the most suspicion. Why? No idea, but it’s got some gaffer tape on it.
Singapore -> Heathrow - still only interested in laptops
Heathrow -> Manchester - all laid out for them - no problems