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The slight delay when listening at the same time to the same traffic on an SDS and non-SDS radio creates quite an interesting audio "echo" effect which is reminiscent of the old shortwave SAC broadcasts. Sounds very impressive to visitors at the shack. :giggle:

Sat April 13, 2024 @ 2030 Hours - FDNY has transmitted a Signal 65-2 alerting all units to observe a heightened situational awareness regarding any potential terrorist activity in the New York City area due to the current crises in the Middle East. There are no specific threats reported at this...

Put in your local weather channel and see if it will scan and stop there.

I know it's a long-shot, but any luck contacting AOR to see if they have parts available?

Strange, yes, but these anomalies at not unexpected. There are two issues which may or may not be related. And multiple faults are always a pain to track down. I would first see if you can install the older version of the firmware to see if the condition still exists. If not, I would suspect...

The DV1 has been around long enough that there is already a wealth of information without having to rehash it all. My short & sweet--- it's a great receiver for manually tuning the VHF and UHF spectrum. Offers as much digital modes as you can get from a "stock" receiver. It's just ok on...

Did you check to see that somehow that particular channel (or talk group) did not get locked out of your scanning sequence?

FDNY 4th alarm Brooklyn E 3 St and Beverly Road

I wouldn't necessarily wear it on my belt and have it blaring out radio traffic and attracting a lot of unwanted attention. But belt clips must be popular for a reason--- it seems like a practical place to carry your radio. Add an earphone or a speaker-mike type device up around ear level with...

Although not probable, it is possible. The SD card is my first SDS200 was so wacky, I thought the radio was broken. Could not hear anything. Certainly worth a try.

Rather than getting filters that may or may not work, you may have better results with a radio specifically designed for the aircraft band. Perhaps something like the Icom IC-A16B or similar unit, if it is available in your country.

I would start looking at security defaults which are built into your new computer---- stuff like virus protectors and firewalls. Most of that stuff may be turned on by default and you may have to grant permission within those security programs for the Sentinel program to bypass that protection.

May have been mentioned, but do you have all the service types turned on ?

I would start here: https://joincheektowagafire.com/

The spectrum scope/waterfall functions are certainly much more useful on radios in which they were incorporated in their original design, like the Icom 8600 or (for ham radio operators) the Yaesu 991A. It seems that, while perhaps of some use, it is more of a "novelty" function in the Uniden...

And please report back on the efficacy of the repair. Did all go as intended?

If you are not going to mention the name and/or location/and or call-sign of the system, it's anybody's guess.

The 8600 is a great piece of equipment for the advanced listener who likes to casually tune around and hunt for "exotic" activity. Its wide frequency coverage compliments its many great functions BUT remember, it does not do trunking. It has some scan and search functions, but my 8600 does not...

Some notes on those war year tapes-- it seemed that the FDNY had implemented the 10-code signals several years after I came on the job, or were in the process thereof. I'll try to do more research and find the old training manuals. I know that when units were called for alarms on the air and...

Don't deprive yourself of the pleasure and enjoyment of the hobby. Buy your SDS100 from a reputable dealer with a liberal return policy. I always recommend buying through Amazon.