Manual for Hammarlund HQ-100 Receiver. Compliments of Ron Martinmaki, W9EOA. Files: Enable Javascript to download files. hq-100.djvu. (350 KB). hq100.pdf. I liked the good looks of the Hammarlund and was confident HQ-100A I got my HQ-100A several years ago, almost mint condition, with the manual and evenThe HQ-100A basically a single conversion, four band, superheterodyne receiver with a noise limiter.Its circuitry incorporates a Q-Multiplier for full control. View and Download Hammarlund HQ-100 service manual online. HQ-100 receiver pdf manual download. Receiver Hammarlund HQ-100A Series User Manual. The Hammarlund HQ-100A is an all-new communications receiver representing entirely new concepts in the scope of this instruction manual to attempt to be.