SWLing Post Message Board

That's a pretty interesting design, thanks for the heads up! I wonder if and how this principle could be applied to big loops (because I find SMLs tend to lack a lot above 10 MHz)?

Andrew (grayhat) wrote: ↑Tue Jun 07, 2022 6:08 pm I wonder if a simple external audio filter may be of help

Anything that allows for turning up the radio's volume (to lift the audio over the amp's noise floor) and reducing it on the other side will help.

According to this thread https://antiqueradios.com/forums//viewtopic.php?f=4&t=56282&start=0 this could be a general problem with them. Alas there is no remedy listed, also not on this site with modifications: http://earmark.net/gesr/sr3.htm High impedance headphones could mitigate the probl...

Well that's the part I was trying to find for you but it seems neither Amazon nor Anon-Co nor AliExpress offer those separately.

Welcome to the forum! Something like this?

https://www.anon-co.com/product/alligator-clips-to-trs
https://www.ebay.com/itm/115200173349

Excellent tip!

I use stakes with short ropes attached to them for that:


(Sorry, bad pics, didn't mean to picture the stakes that morning and quickly realized that trying to take pics of a LOG is kind of ...ummm... difficult. )

Maybe you have done that already but I wondered why I didn't get an email when someone tested the important "Report Post" function: Turns out the email notifications are turned off by default for moderation-relevant events, so you may want to have that turned on: SWLing Post Message Board ...

Good question, Jock. I wouldn't know the answer. Also, it depends. :) The only vintage thing I'd personally like to put on the table (if that would make any sense in a RFI-infested neighborhood that is) would be the R7A (which is very different from an R8) for its looks and features and the raw but ...

Great advice! Too bad there are only 2 types of hams, the guys who read stuff like this and the guys who complain about their PA doing strange things (and blame the PA for it) in partially unreadable transmissions because the in-shack RF is destroying their modulation. :mrgreen: I have a guy who's h...