Just a heads-up. Universal Solder has two different ES100 devices back in stock. https://universal-solder.ca/product/everset-es100-cob-wwvb-60khz-bpsk-receiver-kit-with-2-antennas/ https://universal-solder.ca/product/everset-es100-adk-v2-wwvb-bpsk-phase-modulation-receiver/ -Pat (KG5YPQ)