27 January 2024 - Had the HW-12 on the bench this week - replaced the electrolytic capacitors and did a tune up on the receive - receive is good but no TX.
25 August 2022 - Over the past week I worked on fixing the HP-23 power supply - the switch was bad and I had to wire it to put 250v on the LV output, as well as wire up the cable (8-11 pin) to connect it to the HW-12. Yesterday I powered up all of this and was able to receive a test signal on 3.818 MHz from my AWG setup for AM modulation. Below left HP23 power supply, bottom right HW-12 and top right SB600 speaker.
1 August 2022 - Received a Heathkit HW-12 I ordered - this is another future project. I ordered a HP-23 power supply and a 8-pin to 11-pin cable to power this.
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