desense

  1. rjvalenta

    odd Pro197 behavior...

    on my roof are 4 antenna... a 4010 EFHW and a 10m/6m/2m/70cm vertical, attached to my IC7100 a dual band 2m/70cm, attached to my FTM400. and a tram 1411 discone for my Pro197 they are all at least 8ft apart. the base of the discone mast is a few feet lower on the roof than the rest which...
  2. C

    BCT15X Deaf above 30mhz

    Ive seen multiple older (closed) posts about this particular scanner suffering from a front end overload/de-sense issue, and apparently ive been "had" on this one...Purchased cheap enough but it does in fact have the BCT15X deafness above the 10/11 meter bands. Nothing- not weather, fire...
  3. J

    Yet another scanner desense discussion

    I've been lightly dabbling in ham radio for a couple months and the first thing I got was 30 dollar analog Uniden scanner off of eBay. Since then, I got some other antennas, built a J-pole, and have a little Baofung HT I've been using with chirpw. Probably going to get a digital trunking scanner...
  4. ladn

    Alinco DR-610 Desense

    I have an Alinco DR-610 that I've had for years and now use it as a backup/portable base radio. I've noticed that in weak VHF signal applications, the left side of the radio has good sensitivity, but the right side of the radio has decreased VHF sensitivity on the same frequency. I've tested...
  5. B

    Recommendation - use Notch or Bandpass for desense

    Good Evening All! I need a little input on a small issue with desense occuring in a VHF repeater system at a site with no other equipment other than a 900mhz SS link radio for telemetry control at a tank site on a 1600'ft hill. Here are the spec's: -Vertex VXR-7000 running at 50-watts out...
  6. M

    PAR FM Broadcast Filter with PSR-600

    I was getting fuzzy audio in the background on most 2m ham and 155 mHz police transmissions from a 50,000 watt fm broadcaster around 10 miles away. I bought a PAR fm filter from Grove, and the difference in receive sensitivity has been amazing. The distorted audio has disappeared, and signal...
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