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The VTDATA software package is a complete vacuum tube manual on your computer. It has all the information you'd expect in a tube manual. VTDATA's database also includes vacuum tubes of historical interest, such as the early "two digit" types (45, 80, etc.) and hi-fi audio types.

SP7PKI video review of the Yaesu FT-450

Using a home made 10 element 435 & IO Loop for 145MHz, with a Yaesu FT-847. Simon - 2E0HTS, adjusts his (uplink) transmitted signal to correct the doppler of the Received (downlink) frequency.

Kc2uoo review of the yaesu ft-450 in this youtube video

Kenwood TS-450S/TS-690S MARS modification video

This is a video review of the yaesu ft-450 amateur radio transceiver. This radio operates on hf and 6m with a built in antenna tuner.

We are devoted to the preservation, restoration, and on-air operation of antique Amateur, commercial, HB, and Military Radio equipment operating in the Amplitude Modulation (AM) mode. The Florida AM Group net is for amateurs everywhere, meeting at 6:30 AM Eastern Time on 3885 kHz every Sunday morning. Come back to the days of vacuum tubes and high-fidelity audio, when real radios glowed in the dark. No need to have vintage gear to join in, if it says AM join the net using the AM mode. Facebook at Https://www.facebook.com/groups/154845541219803