Hi Carey, I have some Softrocks too. I haven't tried to tap into my R-4A but here is how I would start... I have successfully tapped into my Icom PCR-100 and less successfully tapped my Kenwood TS-440s.
Tune your Flex to 5.645Mhz (R-4a 1st IF). Take a small cap (10pf?) and hook it onto a coax from your Flex antenna connector. Use this cap to probe at the output of the R-4A 1st mixer (and the input to the roofing filter). Hopefully the signal in the Drake is strong enough that you can receive it on the Flex. If that works, you need to modify the input filter on the Softrock (maybe not) and change the crystal to something that can receive 5.645MHz (Tony did have some crystals that would do it). I have not heard anyone that did tap into a R-4 but Tony has had the kits available. Let us know how you make out. 73, Gary WB6OGD ----- Original Message ----- From: Carey Lockhart, KC5GTT <[email protected]> To: [email protected] Sent: Thu, 09 Feb 2012 03:34:29 -0000 (UTC) Subject: [Drakelist] pan adapter Hello Gang, i have a 13 tube r4a i would like to set up on powersdr or another sdr app. is there a website or can someone point me in the right direction to what i need to do. i do have so 40m softrock and a flex 1500. either should d the job i would think. ThanksCarey, kc5gtt
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