HAL 1550

Object/Artifact

-

Radio Alpha

Image: Joe Veras, K9OCO

Image: Joe Veras, K9OCO

Name/Title

HAL 1550

Description

Electronic Keyer

Category

Keys, Electronic

Made/Created

Manufacturer

HAL Devices

Date made

1971 - 1974

Valuations

Value

$64.95

General Notes

Note

QST, Sep 1971, p. 128. QST, Jan 1972, p. 158. QST, Oct 1972, p. 141. QST, Jul 1973, p. 175. QST, Jan 1974, p. 175. The HAL 1550 keyer used TTL ICs. Its keying transistor worked with either cathode or grid block transmitters. An optional ID PROM was available. $90.00 (with ID).