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  1. DTB Radio

    DAS Distributing NUTS??

    Pipe this invoice and tell me what you think. Keep in mind that some truck stop prices are actually cheaper for the exact same product than what DAS charged me for some of this. In particular, note my cost (unit cost column) and the suggested retail price (retail column) of the last item. I...
  2. DTB Radio

    Tram-Browning Company Going Downhill?

    Has anyone else started having issues with Tram-Browning's support and general attitude towards product and customer support? I'm not ready to post any details yet as I'm hoping the situation can be resolved, but I'm very close to discontinuing all Tram-Browning products as a result of what's...
  3. DTB Radio

    Repurposing Old Antenna Mounting Studs

    I'm sure I'm not the first to do this, but here's an idea for reusing those old SO-239-style antenna mounting studs. If the main body of the SO239 section is in decent shape, use a punch/vice or other method to drive out the "guts". Locate a retainer nut from an old CB or HAM radio's SO239...
  4. DTB Radio

    FT8 Signal into Antarctica

    This wasn't an actual contact, but PSK reporter shows I was picked up just off the Northern coast of Antarctica earlier today.
  5. DTB Radio

    What Is This?

    I acquired this as part of a lot of vintage radio gear (including some nice Heathkit transceivers that I'll put up for sale soon), but I have no idea what it is. My best guess is that it has something to do with a fancy crystal radio set. Anyone have the correct answer?
  6. DTB Radio

    Rough DIY Signal Generator

    This is a very rough direct-entry frequency generator I threw together several years ago using an old telephone keypad, a cheapo 4-line LCD display, an Arduino Uno, and an SI5351 clock generator chip. There is no filtering as it was only intended to generate quick test signals to check for basic...
  7. DTB Radio

    Moonraker 4 in brand new condition for sale

    I have a Moonraker 4 beam antenna that was never installed for sale for $600. It includes all parts. The original box was deteriorated and had fallen apart when I obtained the antenna in an estate buy-out, but all parts were present. I've since put all of the parts except for the two longest...
  8. DTB Radio

    Magnum Controller Board PCBX-0335R6 Info Needed

    I'm working on an S9 with controller board PCBX-0335R6 and can't seem to locate any newer info that what is posted on the CB Tricks website (that shows the 0335R. There is no frequency display, but the displays themselves test good when directly connected to a common ground and the segment pins...
  9. DTB Radio

    Source For Latest Cobra 29 LTD Classic Channel Displays.

    I'm starting to get reports of Cobra's latest 29 Classic/Chrome series having partly blown displays, and the display Cobra is using is no longer the same as previous production versions of these radios. Does anyone know of a source for the part? I do not even have a specific part number yet, and...
  10. DTB Radio

    Rocket Station in Stockholm Sweden active right now

    I just made a contact with Rocket station in Stockhom on CB channel 2, 10:16AM today, from my shop radio in Carlisle, PA.. All kinds of signal on him!
  11. DTB Radio

    MAX40200 as detector diode?

    I stumbled on this IC while looking at possible diode replacements for the venerable 1N34-style part. I haven't thoroughly read through the spec sheet, but I wanted to put this out for general discussion and feedback. It claims to have a forward drop of less than 100mV, which would make for...
  12. DTB Radio

    DAK Mark X Channel Display Source Needed

    Do any of you know where I can lay my hands on the channel display for a DAK Mark X radio? Thanks! More to come on this one as I get it working again.
  13. DTB Radio

    Dumb Joke for the Day

    What do you call a VERY large triple-gang potentiometer? A "triple-potamus".
  14. DTB Radio

    Any more on Mike of Mike's Radio Repair?

    Has anyone heard from Mike? I know he's alive and well from his QRZ page.
  15. DTB Radio

    Royce 619 PLL Unit Schematic Needed

    I have a Royce 619 base that needs PLL repair/replacement. I have the SAMs volume for the radio, but that doesn't have any schematic for the PLL unit, just pin-outs. I've been Googling, but no luck so far. Any help appreciated!
  16. DTB Radio

    Who Else Is Fed Up With "Mud Duck Radio"?

    Yes, I'm speaking of Mark Sherman, dba Fine-Tune CB Shop out of New Mexico at the moment. Yes, he's got a good-sounding radio. Yes, he's got skills. But for the love of all things decent, respectable, and even just remotely nice, I am beyond sick and tired of hearing his incessant and...
  17. DTB Radio

    VCO Block Needed, Uniden UPD857 Chassis

    I know this is an INCREDIBLY looooong shot, but I need a working VCO block for a Standard Communications model Horizon 29 CB (its the CB that was used in the truck from The Fall Guy TV series). It uses Uniden's PC-130AA PLL module which is a UPD857-based unit. The VCO is a wax-potted...
  18. DTB Radio

    "Blast" from the past...

    RadioActive Radios... That was a shop name that generated huge controversy and arguments a decade and more ago. I used to get many of their radios through the shop with requests to fix the assorted modification issues. When they shut down years ago, their radios showed up less and less...
  19. DTB Radio

    End-fed Halfwave Matching Transformer

    I've been puttering around with end-fed half-wave antennas for 40 through 10 meters (concentrating on 40 for now), and have had trouble coming up with a good match-box design. I've tried different ideas from an array of online sources ranging from auto-transformers in various turns ratios to...
  20. DTB Radio

    Magnum Omegaforce S45 Working But Sold For Parts/Repair

    I have a Magnum Omegaforce S45 in working condition, selling as-is for parts/repair. Transmit level is around 30-35 watts, receive seems to be very good. Meter functions test ok, but I haven't tested every microprocessor function. Physical condition is fair to good, with the face having only...