Note
QST, Sep 1969, p. 159.
QST, Jun 1973, p. 125.
QST, Sep 1975, p. 135.
QST, Dec 1977, p. 133.
Drake’s VHF wattmeter read forward and reflected power in watts. The WV-4’s working range was 20–200 MHz with scales of 0–100 and 0–1000 watts. Matches W-4, released two years earlier in 1967.