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☀ Solar
SFI 125
SN 85
A 7
K 2 Quiet
X-Ray C2.3
Wind 414.1 km/s
Aurora 2
Updated 23:30 UTC HamQSL · N0NBH
Day 80/40m Fair 30/20m Good 17/15m Good 12/10m Fair
Night 80/40m Good 30/20m Good 17/15m Good 12/10m Poor

Callsign Lookup
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Vanity Call Signs Available
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ⓘ Callsign lookups are in real time via the FCC database. Vanity callsign availability is refreshed daily at 6:00 AM CST. The vanity search may be unavailable for a few minutes during this update.
Live DX spots
Live DX Spots — 70cm via PSKReporter · scroll or pinch to zoom
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VHF/UHF Antennas

Talk about VHF and UHF antennas, repeaters, mobile setups, and signal optimization.

  1. dual band yagi vs collinear for weak signal work from a hilltop site

    Bob Williams,
    • 1 reply
    • 38 views
    James Thomas

  2. Mobile VHF/UHF 5/8λ vs 1/4λ for mountainous terrain

    Northern Ham,
    • 2 replies
    • 264 views
    Northern Ham

  3. NMO vs SO-239 for mobile VHF/UHF — worth the hassle of drilling?

    Paul Wilson,
    • 1 reply
    • 56 views
    Jennifer Williams

  4. dual band yagi getting weird swr on uhf side only

    QRP Master,
    • 1 reply
    • 92 views
    Ham Fan 24

  5. NMO mount on a steel roof vs magnetic — worth the permanent hole?

    Kenneth Lopez,
    • 1 reply
    • 35 views
    Rachel Williams

  7. Collinear antenna grounding and lightning protection - mobile vs base

    Sarah Wilson13,
    • 2 replies
    • 157 views
    James Wilson48

  8. collinear vs yagi for local repeater coverage from a hilltop site

    Carlos Silva,
    • 1 reply
    • 34 views
    Radio Geek

  9. mag mount vs permanent NMO on the truck — worth the hassle?

    Ashley Wilson95,
    • 1 reply
    • 68 views
    Nicole Jackson

  10. dual band yagi vs collinear for hilltop portable ops — what are you guys using

    John Patterson,
    • 1 reply
    • 97 views
    Sarah Wilson

  11. colinear vs yagi for local repeater use — which is actually better

    CW Lover,
    • 1 reply
    • 46 views
    Kevin O'Connor

  13. coax loss on 70cm with RG-8X over 50ft run — worth upgrading?

    David Thomas,
    • 1 reply
    • 40 views
    Patricia Garcia

  14. Mobile VHF/UHF antenna placement - roof vs trunk mount VSWR comparison

    Lisa Chen,
    • 2 replies
    • 219 views
    Contest Fan

  15. NMO mount drilling for mobile VHF/UHF - hole size and sealing

    Microwave Guy,
    • 2 replies
    • 223 views
    Anna Petrov

  16. mag mount vs permanent NMO on the truck — worth the hassle?

    CW Lover,
    • 1 reply
    • 15 views
    James Taylor

  17. collinear vs yagi for local repeater work — worth the hassle?

    Michael Torres,
    • 1 reply
    • 28 views
    Ashley Brown21

  19. dual band collinear vs yagi for hilltop portable — worth the hassle?

    James Wilson48,
    • 1 reply
    • 81 views
    Andrew Jackson

  20. Mobile dual-band antenna tuning - 2m affects 70cm more than expected

    David Wilson59,
    • 2 replies
    • 182 views
    Steve Martinez

  21. NMO ground plane issues with magnetic mounts - DC path vs capacitive coupling

    Radio Geek,
    • 2 replies
    • 373 views
    John Patterson

  22. coax run from shack to roof for VHF -- how much am I losing?

    Ahmed Hassan,
    • 1 reply
    • 34 views
    Linda Thompson

  23. mobile whip vs small yagi for local repeater work - worth the hassle?

    David Williams50,
    • 1 reply
    • 52 views
    Frank Nakamura

  25. Measuring Yagi bandwidth across 2m band - SWR curves tell the real story

    David Williams99,
    • 2 replies
    • 192 views
    David Anderson

  26. NMO mount on a truck cab roof -- worth the drilling or just use a lip mount?

    Emily Rodriguez,
    • 1 reply
    • 59 views
    David Wilson59

  27. mag mount vs NMO for the truck — worth the hassle of drilling?

    John Patterson,
    • 1 reply
    • 23 views
    Jessica Williams

  28. collinear vs yagi for local repeater work — is it even worth the hassle

    David Williams50,
    • 1 reply
    • 12 views
    Robert Thompson

  29. mag mount vs permanent NMO for mobile - worth drilling the roof?

    Steve Martinez,
    • 1 reply
    • 41 views
    Jessica Williams53

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