Re: NDB - Airspy HF+ DIscovery versus Hermes Lite 2


Allan Isaacs
 

Max.. I’m overhauling a WW2 R1155 and as I tuned across the long wave band a Polish station close to Radio 4 came in at a good S8 about mid day.

I checked on my Andrus SDR with the same aerial and it wasn’t more than a tiny spike with no audible modulation

Admittedly the R1155 has been modified with a 6AK5 RF stage…

Allan G3PIY


From: main@SDR-Radio.groups.io [mailto:main@SDR-Radio.groups.io] On Behalf Of Max
Sent: 23 December 2021 14:36
To: main@SDR-Radio.groups.io
Subject: Re: [SDR-Radio] NDB - Airspy HF+ DIscovery versus Hermes Lite 2

 

On Thu, Dec 23, 2021 at 12:34 PM, Patrick wrote:

It's indeed surprising.

As a LF enthusiast (chasing NDB for more than 20 years), I can tell the Discovery is one of the most sensitive receiver I have ever used

Hi Patrick

I don't think this shows any issue with the HF+ Discovery, just that the Hermes Lite 2 is a quite astonishing bit of kit for the money. Actually regardless of the cost. Punches way above its weight. I did always think so but this has just confirmed it for me. Unless I have a sub-par HF+? Wonder if you managed to watch my video recordings of the NDB?

Unfortunately I was not able to listen for Grimeton test transmissions today. Listening now but nothing heard so I guess too late to the game. I will be sure not to miss the main TX tomorrow morning.

Max

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