BCD436HP/BCD536HP: Antenna upgrade for 436

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adcockfred

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Sounds like we all need to learn how to do more with less. The boys at the depot fixed me up, after my 436 came back from the depot it DID work better on the stock antenna.
 

SOFA_KING

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Sounds like we all need to learn how to do more with less. The boys at the depot fixed me up, after my 436 came back from the depot it DID work better on the stock antenna.

Depot? I never heard of a Uniden depot.

So you are saying your 436 went in for the repair campaign (?) with the RF noise problem, and when you got it back it no longer had the problem?

If that is what you are saying, perhaps they quietly (no pun intended) fixed the noise issue and didn't tell anyone about it. That means we need another repair campaign to fix the noise issue!

I have heard some people claim their 436 didn't have the issue, but if that is the case, now that opens up another can of worms about which ones do and which ones don't...and what to do to get it fixed.

I'd gladly do the fix myself if they would just publish it, but I doubt they would...if we are talking about this right.

Phil
 

adcockfred

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No the scanner never had the noise problem. I Broke the antenna dock. The main problem was old age. Not of the radio but of the owner. The older gentleman I bought the radio from had bent the sd card holder. And he sent 2 stock antennas and both didn't have any male pieces in them. I dot know if they fell out or he took them out. Also gettin that 64 gb card out of there and gettin the stock card helped too. Our hard system to monitor down here has a large frequency swing and is simulcast too.
 

adcockfred

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Ok sofa king where would I look for a antenna for the 436? Targeting my hard to receive system, 760 to 860 mzh. I did see a 3 element yagi on that English site, low gain, with these specific freqs.
 

SOFA_KING

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Ok sofa king where would I look for a antenna for the 436? Targeting my hard to receive system, 760 to 860 mzh. I did see a 3 element yagi on that English site, low gain, with these specific freqs.

Outdoor antenna for 700 - 800...only? I'd go to one of the bigger hamfest and look for a surplus commercial omnidirectional. You could probably also find a cheap yagi too, if that's what you need. At one time I was looking to pick up a distant county on 800 and actually played with a ~5' mid gain omni, a 7 element yagi, and my Discone...all on 7/8" hardline about 75' long. Yes, the dedicated 800 antennas did do somewhat better, but the Discone did a fair job. But I kept the Discone up for all the many other frequencies it works well on. Hearing so much stuff out of Miami (some 150 miles away) on VHF and UHF blew my mind. I hardly ever heard that stuff with RG8 type 9913, but as soon as I put 7/8" hardline on it, the doors blew open. I moved since then, and put the Discone on a shorter 40' run of 1/2" hardline, but the results are the same. I hear things often that are so far away that it amazes me. Yes, I know a lot of it is tropospheric ducted, but the point is my so-called "unity gain" Discone gets those signals, and the hardline preserves them. On 1/25/17 I was listening to many Border Patrol repeaters all around Texas and even out to AZ a d CA on high band!!! Then the next day out to the Bahamas and then down to Puerto Rico on VHF and UHF!

Now that may not matter to pickup local repeaters, or big tower trunked systems, but if you are trying to hear simplex MOBILE stations, this really does matter. And let me tell you...The amount of juicy surveillance I routinely receive in my town is a direct result of the good choices I made on my antenna system. For comparison, my friends with HP-2's and 536 scanners using stock or indoor antennas don't hear it at all...unless they are within a couple of miles. They are missing out on some of the best listening there is. Real bad criminals being watched and taken down by "real good guys". Hardly any of that was on repeaters or big trunked systems.

Phil
 

adcockfred

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Yeah I hear you on that juicy stuff, before digital I chased many a u. c. out of county on non repeater u, if you are a salty dog, you should try what I call tug boat. I has just hit broadcastify in harris county. That is the Texas chicken you hear about. Most of them pilots are in the same family.
Well what I am trying to do is make a low gain and I guess or unity gain antenna that will mount in side of pickup roof and work on those cheap scanners. I had a bay design that worked, but it was big and long and took up most of the bed.
I do have a ST-2 up on the roof and I think I will try that bigger co-ax you speak of. I have all that tweaked around on those dongles and trying to chase 900 mzh dmr.
 
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