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Lots of old radios. Includes two modified HROs, one in a fetching shade of blue.
Handy HRO links, including how to date them (although I'm not entirely convinced that the various sites agree on this).
to electronics hro radio retrotech ... on 25 June 2011
HRO Sr. Restoration edit / delete
W1UJR rebuilds an HRO Senior (which looks very like the other one he did, fortunately).
to electronics hro radio retrotech ... on 25 June 2011
HRO 5 Restoration edit / delete
Neat rebuild of a 5TA1. Good shots of the underside layout; his was only lightly modified and he's rebuilt it along the original lines.
to electronics hro radio retrotech ... on 25 June 2011
Various radio restorations, including an *extremely* ratty HRO-5. This has a good shot of what the front panel's meant to look like on an unmodified HRO-5.
to electronics hro radio retrotech ... on 25 June 2011
HRO Dial Remove/Adjust edit / delete
Removing and refitting the HRO dial.
to electronics hro radio retrotech ... on 25 June 2011
The "Mark III" WWII valve transmitter -- a fair match for an HRO -- and replacement HRO knobs.
to electronics hro markiii radio retrotech transmitter ... on 04 June 2011
HRO - Barry Williams edit / delete
Good article on the history of the receiver.
HRO Product Detector edit / delete
One design, using a generic pentode.
to electronics hro radio retrotech ... on 27 May 2011
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| - hro | |
| 13 | + electronics |
| 1 | + markiii |
| 15 | + radio |
| 13 | + retrotech |
| 1 | + shopping |
| 1 | + surplus |
| 1 | + transmitter |
tasty by Adam Sampson.