antenna

  1. Laird 800/900MHz phantom antenna

    Laird 800/900MHz phantom antenna

    Laird 800/900MHz phantom antenna in a ford explorer
  2. Laird UHF Phantom Antenna

    Laird UHF Phantom Antenna

    A Laird phantom antenna on a 2023 ford explorer
  3. ccsprague

    Is it normal for the REM-842S to have a slight bend?

    Is it normal for the Remtronix REM-842S to have a slight bend to it? Straight cardboard box for comparison.
  4. Patty01

    7/800 mhz scanner antenna

    Hello all, I'm looking for a good 800mhz antenna for my uniden 996P2, I am listening to the Mass State Police smartzone system, as of right now I'm using a Motorola 7/800 sma portable antenna but it's not doing what I need. I would Ideally be looking for an outdoor antenna, and I'm not that...
  5. 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...
  6. B

    Dual-band antenna for GMRS transmitting and NWR/NOAA receiving

    I'm seeking advice for a dual band mobile antenna for GMRS uhf + NOAA weather radio (NWR) vhf. I'll be transmitting only on GMRS, and VHF will be for 162 MHz receive only. I'm a meteorologist gathering weather data & stills/video near storms so NOAA receive is important, and I want the...
  7. F

    I’m still foggy with antennas and would love some help!

    Hey all, recently I’ve been really digging into SDR and am having a lot of fun with it. That said, I’ve finally figured out trunking and am able to pick it up and decode, but the nearest system is almost all encrypted. The city closest to me that actually has anything on their trunking system is...
  8. J

    How to measure received power from s21 of antenna?

    Hi, I have two antennae. One is a reference, and the other is DUT. I have to use Gain Transfer Method to find AUT gain. For this, i have used a reference horn antenna in the chamber and measured s21. then I put DUT on and measured S21. Now my question is, "How can I convert this S21 into...
  9. dave3825

    Inside a TV and Radio station

    Interesting set up.
  10. Sheepdog777

    TREE-TENNA ~ THE TREES NOW TALK (DIY - HOMEMADE TREE ANTENNA - Rx & Tx) Circa 1919

    Bear with me as I am not messing with you. But we used trees as antennas in the military Hybrid Electromagnetic Antenna Coupler (HEMAC), and some adventurous Hams have used them as well. If you're looking a great Receive (Rx) Antenna most hardwood trees work great. With a Antenna Tuner you can...
  11. Sheepdog777

    UNDERGROUND BURIED EARTH ANTENNAS

    Hello Ham and Radio Enthusiasts, This topic seems to have been a burr in the saddle of many radio professionals over the years. We use underground buried antennas in the military all the time. Depending on the mission, daily. In the Air Force we even have entire career fields which install...
  12. Sheepdog777

    DIY HOMEMADE DUAL BAND VHF & UHF (2 Meter & 70 Centimeter) TUNEABLE ANTENNA

    Hello Fellow Hams and Radio Enthusiasts, Hope everyone is doing well and enjoying the approaching Spring. Hopefully, this will be one of the last cold days for Missouri this year… Let’s See What Happens. I know there is eleventy thousand Prefabricated Dual Band VHF/UHF Antennas out there, but...
  13. P

    Lightning Safety Question: How could I use a mag mount antenna on my car w/o being struck by lightning?

    This is my first post, so please be polite! I want to put an antenna on my car and I want to ride through storms while listening to storm spotters and public safety, how can I protect myself from lightning strikes? I know a not so similar topic has been posted before about home antennas, but I...
  14. Motorola NAB6064 low band portable antenna (NOS)

    Motorola NAB6064 low band portable antenna (NOS)

    These are all NOS (new-old-stock) Motorola NAB6064A antennas, with an un-cut length of about 12" tall (each is sealed in its original factory plastic bag) and are designed for the 29.7-50 MHz frequencies, which are compatible (base-thread / mount size) with the HT1000, HT750, HT1250, HT1550...
  15. T

    Laird Phantom Elite VHF (ETRAB1550)

    I recently purchased a Laird ETRAB1550 to try on a vehicle and I am having an issue with mounting it. The antenna mounts on a modified NMO base, instead if threading on it has two guide pins that set into a track on the mount (Image attached for reference) While messing around with the mount...
  16. K

    Tram 1280 dual band vertical grounding

    This dual band has 3 radials at the bottom aluminum PL239 connection point. I have it mounted on a 10’ steel pipe which is further mounted at the top of a 10’ 4”x4”. The pipe is electrically connected to the radials at the top but currently insulated from ground by the 4”x4”. The Tram...
  17. KN6FCR

    Mobile-to-mobile Antenna Recommendations

    What are some antenna recommendations for car to car communication on GMRS? Not much of an antenna expert. Just purchased 2 CDM1550 UHFs and planning doing the install next weekend. Thanks!
  18. H

    Bearcat SDS100

    I’m looking at getting the Bearcat SDS100. What would be the best antenna would you recommend to pick up the most activity?
  19. W

    Looking for Motorola PMAT4005 Antenna

    It doesn't seem to be available new anymore so I'm hoping someone has a used one kicking around they'd be willing to part with!
  20. Uniden BCD325P2 Scanner

    Uniden BCD325P2 Scanner

    Selling my lightly used Uniden BCD325P2 Handheld Scanner. Two antennas included, one whip and another extendable.
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