Since the Crosley bandbox was both battery powered and/or electrical powered, it is possible that an aircraft may have had the Bandbox onboard for use as a navigational aid….receiver only. Connected to a loop antenna on the aircraft, a needle in the cockpit would simply point to the source of the broadcast, like any ADF of the last 50 years. which was the easiest thing to operate in the cockpit. Many aircraft from the 1920’s up had a “radio direction finder” of some sort…. “Before I was an ATC Center controller hired in 1979, I was an Air Force navigator for 6 years. The following information was provided Anthony Martini in 2021 that may be of some help. Does anyone know how this radio may have been utilized for navigation? It may have been used in the early days of radio beacon stations or lighthouses. The above radio is manufactured by DeForest Crosley, 1927, and is contained in a metal box. The beacon does not appear to be the original 24″ size, perhaps it is an old course light? Department of Commerce marker beacon, characteristic signal “H” (.), operating frequencies 248 and 278 kc.Įlectrical standoffs on the field along the length of the landing area but offset a few hundred yards. Beacon, 24-inch rotating, with green course lights flashing characteristic “2” (._). Beacon, boundary, approach, and obstruction lights. Directional arrow marked “12 P-S.” Pole line to N., beacon tower to NW. Irregular shape, 2,400 feet E./W., 2,000 feet NW./SE., sod, level, natural drainage entire field available. It’s pretty sleepy now, the only activity is a local drone company that does it’s testing there.ĭepartment of Commerce intermediate field, site 12, Portland-Spokane Airway. It was also used as an Army Air Force auxilliary field in WW2. The airport was listed in the Dept of Commerce listings in 1931 as a DOCILF (Dept of Commerce intermediate landing field). No trace of a concrete arrow could be found on the site. If you look closely you can see some faint numbers on the roofs of the sheds for the Portland-Spokane Airway, part of the C.A.M. Photos and information submitted by David A.
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