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12-27-25  Uniden's Official SDS100/200 1.24.00 Main...

Post here are only for SDS100/200 1.24.00 Main (12/20/2025) discussion. Fixed an issue where the P25 Inband Voice & Data control channel was incorrectly...

12-27-25  Question about filters on SDS 200

Does anyone know exactly what the filters do, like do they attenuate? I notice like invert, normal, auto the RSSI is not as strong and on wide invert, wide normal, wide...

12-27-25  XTL2500 Acting odd.

Heres the skinny. 1 XTL2500 Model:M21URM9PW1AN/Flash:500008-000484-6 is acting odd. The system employs an old Quantar(working) and a couple of DVRS units. All portables...

12-27-25  Older Charger with DPH Lithium Ion Battery

I am ordering a Lithium Ion Battery for my DPH. Can I use the older (25 Year Old) "KING" or "Bendix King" chargers? Or, is it better to get an Endura...

12-27-25  Contact your system admin

is something that gets told alot on the forums that most people avoid doing. It has been the best decision I’ve made and honestly, I wish I would’ve contacted mine...

12-27-25  SD City 700 system issues? Dec 2025

Does anyone have any insight as to what might be going on with the city's system over the past couple days? Observations: Fire dispatch on 7B lost the automated voice...

12-27-25  The N0QVC Packet Radio Simulator

In the late 1980s and early 1990s, before most people had Internet, amateur radio operators were using something called packet radio to deliver electronic mail,...

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