The Hammarlund HQA is an all-new amateur communications receiver representing entirely new concepts in electrical and mechanical design. The HQ was superseded by the imporved HQA. There are at least two major variants of the HQA: One with a small metal tag that says HQA between the two scales and the raised cast Hammarlund logo; and another which has a metal tag on the front with "VHF" (missing on mine, more on that later) and below a silkscreen with "HAMMARLUND. HQTR instruction service manual. HQTR schematics. HQ instruction and service manual. HQ conversion WWV Mhz sheet. HQ receiver blocking problem sheets. HQ schematics. HQA 2 Meter converter 6 Meter pre-amplifier Instruction book addendum. HQA Converter-PreAmp Service Manual. HQA instruction and service.
Hammarlund HQA Ham Band Only Receive. When I received my ham radio licence in , Hammarlund receivers were my dream. But that is what they were, only a dream as the Canadian Input Duty Tax put even the lowest cost HQ beyond my reach. HQTR instruction service manual. HQTR schematics. HQ instruction and service manual. HQ conversion WWV Mhz sheet. HQ receiver blocking problem sheets. HQ schematics. HQA 2 Meter converter 6 Meter pre-amplifier Instruction book addendum. HQA Converter-PreAmp Service Manual. HQA instruction and service. The Hammarlund HQ-l OOA is an all-new communications receive r representing entirely new concepts in electrical and mechanical design. It will provide years of top performance with minimum maintenance. The HQA series receivers have a self-contained power supply and a universal transformer capable of operation from a volt 60 cp/s.
It went well after I abandoned the manual alignment instructions for the band tuning and just went with my output meter and no resistors swamping the RF stages. Hammarlund HQA Ham Band Only Receive. Following the instructions in the manual I began to methodically align the receiver, first the 2nd IF coils. THE HAMMARLUND AND A SERIES OF. COMMUNICATIONS RECEIVERS. CONTENTS OF INSTRUCTION AND SERVICE MANUAL. Specifications. Page 3. Circuit Description.
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