• You can now help support WorldwideDX when you shop on Amazon at no additional cost to you! Simply follow this Shop on Amazon link first and a portion of any purchase is sent to WorldwideDX to help with site costs.
  • Click here to find out how to win free radios from Retevis!

Search results

  1. MadisonMod

    SWR/RF power meter calibration

    Hello. I have a Delta PSM1000W. What is the process for calibrating this meter? How do I check and see the accuracy?
  2. MadisonMod

    K30 magnet mobile antenna

    Thank you sir. I will try and let you know.
  3. MadisonMod

    K30 magnet mobile antenna

    Any idea what size? The antenna specs say Thank you for the information. What capacitor would you recommend that I put back to make antenna work properly?
  4. MadisonMod

    Transmit pattern

    Okay. So I used mfj antenna analyzer today and the antenna was reading 80 ohms . I changed the horizontal angle of antenna a few degrees and rechecked. I ended up moving it about 1/4 " and now the analyzer is reading 50 ohms. It also changed the 1.35 swr down to 1.2. Now channels 1 & 40 are...
  5. MadisonMod

    Transmit pattern

    Do you know what I can put back on it ?
  6. MadisonMod

    K30 magnet mobile antenna

    Hello. I have a k30 magnet mount antenna. The receive went away and swr went off the chart. I took the magnet off the bottom of the mount and the coax is burnt. It looks like it had a resistor or something Sauderd across the transmit conductor and shield. Does anyone know what this is or...
  7. MadisonMod

    Transmit pattern

    Ah , good idea. Thanks. I'm not sure where to post , but I have a k30 mag antenna. All the sudden the receive disappeared and swr went off the chart. I opened the magnet and it coax is burnt. It looks like they used a resistor or something between the transmit and shield. Does anyone have...
  8. MadisonMod

    Transmit pattern

    cool. Thanks. I ordered one. When it gets here I'll check it out
  9. MadisonMod

    Transmit pattern

    Okay . So how do I tune for resonance and reflect powerof modulation. Antenna analyzer and oscilloscope?
  10. MadisonMod

    Transmit pattern

    That's a good idea. I'll try that That's what I was trying to do. I appreciate it. I'll let you know what the outcome is. I also ordered a new Nano VNA analyzer. I drove the truck today and was able to hear clearly and speak to people all over the united States.
  11. MadisonMod

    Transmit pattern

    Hello everyone. So I learned a few lessons. I purchased the large heavy duty antenna stud because it was recommended. It's trash. The stud pulls right out of the threaded housing. I installed straight heavy duty stud, it's tight. I de sodderd coax end and put new one , no changes in swr. I...
  12. MadisonMod

    Transmit pattern

    Delta psm1000
  13. MadisonMod

    Transmit pattern

    Alright . I appreciate it. The gentleman that built the connex said 1.5 was too high and he wouldn't talk on it , claiming it would ruin radio
  14. MadisonMod

    Transmit pattern

    Hello . Well I added the 20 inch shaft to the base of antenna and rechecked the swr. it's still 1.5 . The coil is above the cab. I even put a new larger heavy duty stud mount and double check grounding. I tried a top load firestick just to see what happens and match says 1.5 . I put...
  15. MadisonMod

    Transmit pattern

    I tested the swr on the antenna. It's 1.5 I will definitely add the extension when it gets here. The receive sounds good. I tried a midland field strength meter to try and check the transmit pattern but the meter didn't work for some reason .
  16. MadisonMod

    Transmit pattern

    Okay. I just installed the new Browning BR-92-BL antenna on my peterbilt truck. I had to mount it on the back of the cab on existing suport bar using a heavy duty mirror mount. I centered the antenna in the middle of the cab . I grounded the mount and antenna to the truck frame. The coil ended...
  17. MadisonMod

    Connex 4300 300 issues

    Yes sir will do. I just finished install. New browning antenna and super mini 8. I ran 4 gage fused power cables with Anderson connectors. Grounded the system. I just powered the unit on and checked swr = 1.5 receive sounds nice and clean. Don't know anyone close to here, but I will...
  18. MadisonMod

    Connex 4300 300 issues

    I tried unit on the bench with an original road king trucker noise canceling mic. Plugged into 10 amp solid state power supply. Plugged into dumyload Yes. 4 Gage wire with 30 amp protection fuse. Anderson connectors. 15,000 Browning br92 antenna grounded . Supper mini 8 . The plan is to...
  19. MadisonMod

    Connex 4300 300 issues

    I just bought a 4300-300 . When I plugged it in and started talking on low, (50) watts it was okay. As I turned the power up it started to oscilat and squeal. I was going to call the guy I bought it from but I check the mic and screwed on tight. The noise went away. I have it set keying...