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The Uniden Tavern - For general chit-chat and non-technical discussion specific to Uniden and does not fall within the above forum topics. This is not the forum to get technical advice from.

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  #41 (permalink)  
Old 06-15-2018, 7:50 PM
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Default SVRCS system

Found that my new SDS100 works extremely well with the SVRCS 700MHz system (West site) in south SF bay area, much better than my 436HP, and worlds above my TRX-1.

Did some subjective field testing with SDS100 and 436HP in my car, both laying in the seat with stock antennas and identical programming. Drove around and between 5 of the tower sites (which all use the same West site freqs). When close to the towers performance is very close, although I would give a slight edge to the 100. But in the marginal areas more equidistant from the towers, or away from the edge towers, the 436 starts breaking up or shuts up completely, while the 100 still works.

I found the RSSI level had to drop to a weaker level than about -95dBm to -100dBm before the 100 finally cutout, while the 436 started breaking up at about -75 to -80 (as seen on the 100). I am impressed! It is clearly better. My home happens to be in one of the marginal areas between towers - the 100 shows about -75 to -85 and my reception was always iffy on the 436. The SDS100 now works everywhere in my home!

(As opposed to the 436, the SDS100 only broke up or cutout completely away from the edge towers of the system area, almost never in the marginal areas between towers.)

Jim
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  #42 (permalink)  
Old 06-25-2018, 12:48 PM
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Just got the SDS100

Works 9-10 on Duval County First Coast Radio JFRD P-25 Simulcast. A bit choppy at times but I think that is the system and not the scanner.

BCD436 was about a 2-10 audio was distorted and completely unreadable.

Noticeable improvement!
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  #43 (permalink)  
Old 06-25-2018, 8:24 PM
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I've had my SDS100 for a couple weeks now, and I've been testing it on STARCOM21, specifically in the St. Clair county, Illinois simulcast system. My home is litterally 1/4 mile from one of the sites, but I've always had problems with my HP-1, and BCD436HP at the intersection of US Highway 50, and Illinois 158/Scott-Troy Road, a location I like to refer to as RF Hell. The SDS100 is 100% solid there, with no drop outs. With the HP-1, I was lucky if I could follow 20-30% of the traffic there, while it was somewhat better with the BCD436HP, it was never better than about 50% with lots of drops and broken transmissions. I'm loving the SDS100. I added a line to the spreadsheet.
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Old 06-26-2018, 5:36 AM
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SDS 100 works very well on the Connecticut State Police system along I 84 Fairfield County out to New Haven County. 436 is so so, and my 536 is not far behind the SDS
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Old 07-11-2018, 11:27 PM
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Default State of Colorado DTRS - Colorado Springs Simulcast

In Colorado springs, CO near the area of Chapel Hills Mall the SDS100 is doing very well. I added it to the Google doc.

SDS100 - 10
BCD436HP 8.5

Location of SDS100/436 testing: https://www.google.com/maps/place/Ch...4.794477?hl=en

Site monitored: https://www.radioreference.com/apps/db/?siteId=31602

Edited to add point scores.

Last edited by davidsbmw628; 07-11-2018 at 11:32 PM..
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Old 07-12-2018, 12:39 AM
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Quote:
Originally Posted by N4EBC View Post
Just got the SDS100

Works 9-10 on Duval County First Coast Radio JFRD P-25 Simulcast. A bit choppy at times but I think that is the system and not the scanner.

BCD436 was about a 2-10 audio was distorted and completely unreadable.

Noticeable improvement!
I'll be in Jax area in a few months. I wonder how it will do on the SJC 800 system. I know the 436/536 did good on the SJC system.
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