Oh. I misread it to mean it just won't register. I'm stupid. And tired.

Probably just a bad SM, but are you sure it's not local interference at the SM? Maybe like a 40MHz or 80MHz wifi channel?

On 9/1/2015 8:54 PM, Ken Hohhof wrote:
So AP Eval needs xmt to work, it's not just a passive rcv thing?


-----Original Message----- From: George Skorup Sent: Tuesday, September 01, 2015 8:25 PM To: [email protected] Subject: Re: [AFMUG] FSK SM sees AP on SA but not on AP Eval Probably dead Tx. I've seen it a few times. Most of the time it's the Tx/Rx switch, which means both directions lose 20-30dB. But I've definitely seen only Tx or only Rx die before. The 85+ degrees the past few days probably contributed to its demise. Pouring sweat working at a tower today. That sucked.

On 9/1/2015 6:17 PM, Ken Hohhof wrote:
This SM just stopped working after several months. I would say it went "deaf", but Spectrum Analyzer still works. It sees the AP at the right frequency and signal level, and if I move the AP frequency around it's clear that interference is not the problem. And no, it's not a configuration issue.

I'm sending a field tech to climb the customer's TV tower tomorrow and change out the SM, but I'm trying to remember if I've ever seen this before.

Is this a known failure mode - not deaf, but seemingly can't lock onto or decode beacons?




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