[IRCA] Tech notes - CISCO router RFI

2018-07-18 Thread R. Colin Newell
Chinese made switching power supply for the DPC3825 all-in-one WiFi Cisco router generates enough RFI to impact AM-FM radios up to 200’ away as well as sensitive test equipment in my Ham shack. If you have email or social media, let CISCO know that importing cheap Chinese made unfiltered

Re: [IRCA] WWFD 820 Becomes First All-Digital AM Station

2018-07-18 Thread Russ Edmunds
Perhaps they ran hybrid only the first day. There were reports of broader interference. Certainly one would rather have hiss from 815-825 than from 810-to 830 :-} Russ Edmunds WB2BJH Blue Bell, PA Grid FN20id From: IRCA on behalf of Brett Saylor Sent:

Re: [IRCA] WWFD 820 Becomes First All-Digital AM Station

2018-07-18 Thread Brett Saylor
Hmm... that's not what I was seeing Monday night - I only saw digital from 815-825, which I would think was digital mode only. No IBOC sidebands on adjacent frequencies as would be present in hybrid mode. Brett State College, PA On Wed, Jul 18, 2018 at 8:24 AM, Russ Edmunds wrote: > Per

Re: [IRCA] WWFD 820 Becomes First All-Digital AM Station

2018-07-18 Thread Russ Edmunds
Per credible local reports, they started with the hybrid platform, although Scott's report seemed to indicate that they had experimental approval for testing full digital. As of yesterday they were in hybrid mode, and thus all hiss across 810-830. Therefore it's hard to draw conclusions. Perhaps

Re: [IRCA] WWFD 820 Becomes First All-Digital AM Station

2018-07-18 Thread Patrick Martin
With the way the NAB was pushing HD Radio years ago, I am surprised it took this long, from the early 90s when Bob Rusk was writing about it in RW. I doubt the station will have many listeners as who has an HD radio? Few do, even not a lot in auto radios. I find the Sony HD radios in thrift