Re: Caroline Modulation.
Modulation was adjusted using a good old fashioned analogue oscilloscope. Mod was adjusted for positive peaks, negative peaks and overall density. I am happy that there is no more headroom left. As you rightly say, perceived loudness is a compromise. We could no doubt make it sound louder by inserting a highly compressed presence peak and reducing the bass content so that we stay within the overall modulation constraints but those who already receive a good signal will complain because it sounds nasty and tiresome to listen to. A bit like smooth AM on 1170 in the ipswich area used to do. So we've alighted on the current settings which will be tweakable from strood should the need arise. Regarding sig strength. Its far better to calculate this using the many groundwave propagation models that exist. These would take into account EMRP, distance and ground conductivity. They cannot of course account for local man made interference which can certainly make the difference between very good reception and none at all. Night time skywave is a different matter altogether. All things considered we get very good coverage across large parts of the UK. Certain features like the chilterns, south downs and greater London attenuate the signal but other places like the east coast and kent /sussex where there is quite a bit of sea water between Tx and Rx then reception is very good indeed.
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Caroline Modulation. - Mike Simmonds February 6, 2024, 10:21 am
- Re: Caroline Modulation. - Peter February 6, 2024, 12:04 pm
- Re: Caroline Modulation. - Walter S February 8, 2024, 7:54 pm
- Re: Caroline Modulation. - Anchor chain February 20, 2024, 11:11 am
- Re: Caroline Modulation. - Ron March 5, 2024, 9:37 am
- Re: Caroline Modulation. - Scottg March 5, 2024, 7:50 pm
- Re: Caroline Modulation. - Mike Simmonds March 5, 2024, 9:55 pm
- Re: Caroline Modulation. - Walter S March 6, 2024, 1:51 pm
- Re: Caroline Modulation. - No change March 6, 2024, 7:00 pm
- Re: Caroline Modulation. - Walter S March 7, 2024, 12:00 am
- Re: Caroline Modulation. - AM HOLSTER March 7, 2024, 12:44 pm
- Re: Caroline Modulation. - Fred bramley March 7, 2024, 2:35 pm
- Re: Caroline Modulation. - STx March 7, 2024, 4:27 pm
- Re: Caroline Modulation. - Rollerball Rocco March 7, 2024, 5:46 pm
- Re: Caroline Modulation. - Kevin D March 7, 2024, 5:46 pm
- Re: Caroline Modulation. - AgB March 7, 2024, 5:49 pm
- Re: Caroline Modulation. - Walter S March 7, 2024, 7:51 pm
- Re: Caroline Modulation. - Peter March 7, 2024, 10:04 pm
- Re: Caroline Modulation. - Jim March 7, 2024, 9:32 am
- Re: Caroline Modulation. - Flashback March 8, 2024, 12:41 am
- Re: Caroline Modulation. - John 558 March 8, 2024, 11:34 am
- Re: Caroline Modulation. - Kevin D March 8, 2024, 12:43 pm
- Re: Caroline Modulation. - Rob A March 8, 2024, 10:05 pm
- Re: Caroline Modulation. - Mike Simmonds March 9, 2024, 7:38 am
- Re: Caroline Modulation. - Jim March 9, 2024, 9:37 am
- Re: Caroline Modulation. - SPOCK March 10, 2024, 9:19 am
- Re: Caroline Modulation. - Rob A March 10, 2024, 2:31 pm
- Re: Caroline Modulation. - SPOCK March 10, 2024, 3:16 pm
- Re: Caroline Modulation. - Rob A March 10, 2024, 3:38 pm
- Re: Caroline Modulation. - Rob A March 10, 2024, 4:34 pm
- Re: Caroline Modulation. - Rob A March 10, 2024, 10:30 pm
- Re: Caroline Modulation. - ruud March 11, 2024, 6:46 pm
- Re: Caroline Modulation. - Ed Emery March 11, 2024, 2:28 pm
- Re: Caroline Modulation. - steve Boyer March 23, 2024, 11:03 am
- Re: Caroline Modulation. - Half-Wave April 2, 2024, 12:57 am
- Re: Caroline Modulation. - Half-Wave April 4, 2024, 12:35 am
- Re: Caroline Modulation. - Half-Wave April 4, 2024, 2:43 pm
- Re: Caroline Modulation. - StewartAdmin. April 5, 2024, 11:57 am
- Re: Caroline Modulation. - Mike Simmonds April 11, 2024, 10:23 am
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