A review of the LNR Precision version of the MTR, Mountain Topper Radio a three band, CW only, QRP trail friendly transceiver.
Mountain Topper Tri-Bander
Developed by Steve Weber KD1JV Designs
FULLY ASSEMBLED – Manufactured by LNR Precision, Inc.
A very small, very efficient three band QRP CW rig.
Specifications:
Three bands, 40M, 30M, 20M
Receiver:
MDS: ~0.2 uV
Small signal band width ~ 500 Hz
Audio output limited to ~ 1200 mv p-p
Headphone output, 16 ohms min recommended.
Transmitter:
2.5 watts @ 9 volt supply typical
Spurs -50 dBc or better
Size:
3.8” x 2.7” x 1” (LWH)
Weight:
4.4 ounces.
Power requirements:
6 volts minimum, 12 volts maximum.
Power jack: 1.7 mm center hole, 4 mm diameter, 10 mm (or longer) length.
Receive current:
~ 35 ma, no signal.
Transmit current:
~ 400 ma @ 9V, 20M
~ 550 ma @12V, 20M
(transmit current is slightly less on 40 and 30 meters)
The FCC has denied the petition of an Arizona radio amateur, who had petitioned for lifetime Amateur Radio licenses. Mark F. Krotz, N7MK, of Mesa, had filed hisPetition for Rule Making (RM 11760) with the FCC last November, and the FCC invi... Read more
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