Hello,

I would like to open all the frequencies on my Baofeng UV-5R to allow me to program in from 10MHz-999MHz in the  CHIRP application. I understand most of not all of these frequencies will not work but it might give me a few extra frequencies around the working bands.

From (Web URL Link Removed)

Bench testing has shown the actual  transmit range of an expanded 150/450 MHz UV-5R to be:

VHF range 136 - 174 MHz   expands to   127.8 - 176.0 MHz      UHF range 400 - 520 MHz   expands to   383.5 - 524.3 MHz

Outside of that range, the radio would either not transmit or was unstable. Receiver coverage drops off sharply to zero outside the factory specified range.

I followed the instructions below from: Baofeng UV-5R: Extreme Receive Modification: (Web URL Link Removed)

1) Open the library.zip file located in your C:\Program Files\CHIRP\ directory  (location may slightly differ based on your flavor of windows, but you get the  idea). 2) Enter the Chirp folder inside the library.zip 3) Delete the  UV5R.pyo file from the zip 4) Add the UV5R.pyo file (if it's named uv5r.pyc,  rename it to .pyo before placing it in the zip file) 5) Save the modified  library.zip 6) Open chirp and on the radio selection popup, select the Vendor  "Baofeng Hack" 7) Program your radio as desired (be aware of the radio chip  limits)

I was able to download the UV5R.pyo file but cannot  locate the  library.zip file located in the C:\Program Files\CHIRP\ directory.  Has the library.zip file name changed or has the Chirp been  programmed to not allow for this modification anymore?  Could someone send me the library.zip or the new file or tell me how to make  this Baofeng UV-5R Frequency mod?

Thanks, Tom farrell@visi.com

There are tuned circuits and networks in the radio both transmit and receive that won't allow much wiggle room out of band. The PLL might tune the channels but because the radio is designed to reject out of band signals, filtering and tuning the circuitry must occur to reject intermod and ACI on receive and transmit spurs. I wouldn't waste my time.

________________________________ From: Tom Farrell farrell@visi.com To: chirp_users@intrepid.danplanet.com Cc: farrell@visi.com Sent: Wednesday, January 8, 2014 3:43 PM Subject: [chirp_users] Baofeng UV-5R Frequency mod

Hello,

I would like to open all the frequencies on my Baofeng UV-5R to allow me to program in from 10MHz-999MHz in the CHIRP application. I understand most of not all of these frequencies will not work but it might give me a few extra frequencies around the working bands.

From http://www.miklor.com/uv5r/UV5R-220.html

Bench testing has shown the actual transmit range of an expanded 150/450 MHz UV-5R to be:

VHF range 136 - 174 MHz expands to 127.8 - 176.0 MHz UHF range 400 - 520 MHz expands to 383.5 - 524.3 MHz

Outside of that range, the radio would either not transmit or was unstable. Receiver coverage drops off sharply to zero outside the factory specified range.

I followed the instructions below from: Baofeng UV-5R: Extreme Receive Modification: http://www.brickolore.com/2012/05/baofeng-uv-5r-extreme-receive.html

1) Open the library.zip file located in your C:\Program Files\CHIRP\ directory (location may slightly differ based on your flavor of windows, but you get the idea). 2) Enter the Chirp folder inside the library.zip 3) Delete the UV5R.pyo file from the zip 4) Add the UV5R.pyo file (if it's named uv5r.pyc, rename it to .pyo before placing it in the zip file) 5) Save the modified library.zip 6) Open chirp and on the radio selection popup, select the Vendor "Baofeng Hack" 7) Program your radio as desired (be aware of the radio chip limits)

I was able to download the UV5R.pyo file but cannot locate the library.zip file located in the C:\Program Files\CHIRP\ directory.  Has the library.zip file name changed or has the Chirp been programmed to not allow for this modification anymore?  Could someone send me the library.zip or the new file or tell me how to make this Baofeng UV-5R Frequency mod?

Thanks, Tom farrell@visi.com