Tasty » Adam Sampson's hro bookmarks

M1KTA's QRP ham radio blog: HRO-5 underside edit / delete

A nicely-restored example.

to electronics hro radio retrotech ... on 04 March 2012

Leeds Radio - since 1923 edit / delete

In New York -- but they ship internationally. They have National valve sockets and knobs...

to electronics hro radio shopping surplus ... on 21 November 2011

National HRO Receiver edit / delete

Excellent overview -- wish I'd found this sooner. This cleared up the serial numbering oddity I'd spotted. (In retrospect, I had seen this site a long time ago...)

to electronics hro radio retrotech ... on 03 August 2011

Index of /pub/manuals/national edit / delete

HRO docs from BAMA.

to electronics hro radio retrotech ... on 03 August 2011

Racal RA 17 mods edit / delete

Also includes a one-EF91 productor detector mod for the HRO.

to electronics hro radio ... on 01 August 2011

Radio Museum edit / delete

Lots of old radios. Includes two modified HROs, one in a fetching shade of blue.

to hro radio retrotech ... on 25 June 2011

Radio Bay edit / delete

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

WB6BIH edit / delete

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