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  #1 (permalink)  
Old 08-24-2011, 4:58 PM
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Default Astro Spectra S-Record Needed

Currently, I have the following type of radio and Flashcode:

D04KKF9PW4AN

100001-000000-7
(P25 Enabled and Conventional Operation Only)

I need an S-Record for the following type of radio:

D04JKF9PW7AN (preferred) or D04KKF9PW7AN (acceptable)

I already own the W7 control head, I just need a way to enable it. Since you can't just hex edit what you want anymore, I need to find an S-Record.

I am trying to make my 146-174 radio do P25 down to 136. The CPS was already hacked to allow the analog half of my radio work all the way down to 136. However, without tuning frequencies, the P25 Tx is way off and doesn't register on other P25 radios, and the P25 Rx is way off, not breaking the squelch when a P25 signal is Rx'd. If possible, I'd like to find a J split P25 capable VCO board to throw in my K split radio once I find a suitable S-Record.

Also, if any of the S-Records out there also have a Flashcode that has 100001 or 500001 as the first string, those are preferred!

Thanks!
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Old 10-16-2011, 3:41 AM
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I'm bumping this message up because I really could use some help with this.

At the very least, I need an S-record for a VHF Astro Spectra as follows:

D04KKF9PW7AN with Flash Code: 100001-000000-7

I purchased this radio about two years ago, and I really don't like the W4 control head because of the lack of DTMF capabilities and the additional features that can be accessed by the additional buttons. I own a W7 control head to swap the W4 with, I just need the S-record. A guy on eBay was selling VHF W7's and gave me a code plug when I asked for an S-record, as he didn't know what an S-record was.

I would also like to find out information about opening P25 on this radio down to 136. That would require at least a J-split S-record if anyone has one. If not, I'm going to throw this radio out and look for another brand's used commercial radio that WILL do P25 in 136-174, and is narrowband compliant, and has multiple features.
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Old 10-16-2011, 7:46 PM
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So, you need a low split 136 Mhz W 4 S record? I have a 146-174 but not a 136.
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Old 10-16-2011, 8:33 PM
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I need a low VHF split 136 W7 S record. I currently have a 146 split W4 and want to upgrade it.
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Old 10-17-2011, 12:24 AM
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OK, but if you use the 146 split W7 you can still cover the ham bands. Do you need to go below 144?
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Old 10-17-2011, 12:30 AM
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Yes. The radio needs to be capable of P25 down to at least 138. I am in a volunteer organization that uses VHF P25 channels outside the Ham band.

No one that I've talked to has ever seen a J split Astro Spectra in real life. That is the one that does 136-162. The only Astros I've seen are the 146-174 split. I don't have the money for an XTL-5000 so in the event this becomes a dead end I need to find other P25 manufacturers that have plentiful used radios available on the web!

Thanks!
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Old 10-17-2011, 6:06 AM
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J split are quite common in Ontario where most police services are below 144mhz.
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