knjhanlon at msn.com
Mon May 1 16:21:52 EDT 2017
The E coil set for the HRO-60 tunes the 900 to 2050 kHz range (as I'm sure you know) where the HRO-60 operates in single-conversion mode. Because of that, the HRO-60 should be able to use an E coil set from any of the earlier HRO receivers which are also single-conversion. National switched the design of the connector bar beginning with the HRO-50, shifting it a little lower onto the top of the coil set. So if you want to use a coil set originally from an HRO-7 or earlier model, you should lower the four coil assemblies in the coil set by putting a washer in between the top of the coil assembly and the inside, bottom of the coil shield can. I run AC and A coil sets from an HRO-7 in my HRO-50 with that alteration. I also run a set of A, B, C, and D coil sets from an original HRO in my HRO-50R1.
Jim Hanlon, W8KGI
From: w5jo at brightok.net <w5jo at brightok.net>
Sent: Saturday, April 29, 2017 10:50 AM
To: AM Radio List
Subject: [AMRadio] wanted
I am posting this for Neil. Please reply to him at:
archernf at earthlink.net
I need some help, I am trying to help a friend who is not a ham find an "E"
coil for his HRO-60. I wonder if anyone has one or can point me in the
direction to find one
I appreciate the help.
Neil Foster N4FN
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