08-22-2026, 01:46 PM
Back to this forum after a long time. I have a nice looking 40-190. The AM reception is great; I use it to listen to baseball games. Replaced the capacitors a few years back. Two questions:
1) Shortwave reception is spotty at best. Any way to improve without an external antenna. I have a Radio Shack "Amplified Shortwave Antenna", model 20-280 that I tried to attach (not sure I am doing it correctly; cut the jack; one silver, one copper wire), but no real improvement. I have a tube tester and a multimeter; no other test equipment.
2) My local AM stations have changed their call signs. Any place make labels for the bush buttons? Or some way of making my own?
Thanks! -
1) Shortwave reception is spotty at best. Any way to improve without an external antenna. I have a Radio Shack "Amplified Shortwave Antenna", model 20-280 that I tried to attach (not sure I am doing it correctly; cut the jack; one silver, one copper wire), but no real improvement. I have a tube tester and a multimeter; no other test equipment.
2) My local AM stations have changed their call signs. Any place make labels for the bush buttons? Or some way of making my own?
Thanks! -
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