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Ham Radio Base — Education, Resources, Projects and Community
☀ Solar
SFI 91
SN 25
A 4
K 0 Quiet
X-Ray B3.1
Wind 428.0 km/s
Aurora 1
Updated 01:00 UTC HamQSL · N0NBH
Day 80/40m Good 30/20m Good 17/15m Fair 12/10m Poor
Night 80/40m Good 30/20m Good 17/15m Fair 12/10m Poor

Callsign Lookup
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Vanity Call Signs Available
Enter filters above and click Search.
ⓘ 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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MHz DX Spotter Info
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Ready — select a band to fetch live spots

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National Semiconductor UA741CP, IC UA741CP Operational Amplifier 18V 500mW 0-to-70C

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