niels nielsen's user avatar
niels nielsen's user avatar
niels nielsen's user avatar
niels nielsen
  • Member for 4 years, 11 months
  • Last seen this week
  • corvallis, oregon, united states
8 votes
2 answers
412 views

help identifying a vacuum tube

5 votes
3 answers
8k views

computer control for Yaesu FT-450

5 votes
1 answer
114 views

can the adhesive used in thru-glass antenna couplers be replaced?

4 votes
3 answers
119 views

antenna coax feed-thru for a car roof

3 votes
1 answer
46 views

alinco dr-635T receive squelch will not open in DCS mode

3 votes
2 answers
2k views

proximity of rain gutter to dipole antenna

3 votes
1 answer
109 views

impedance matching with window twinlead

1 vote
3 answers
640 views

2m 5-element yagi with staggered driven elements

1 vote
2 answers
671 views

CHIRP-programmability of the Alinco DR-635T/E

1 vote
0 answers
36 views

power limit on wireless FM microphone transmitters [duplicate]

1 vote
0 answers
38 views

what frequencies are used for wireless remote control of hearing aids? [closed]

1 vote
2 answers
215 views

Alinco DR-635 programming software

0 votes
0 answers
95 views

what frequencies is this antenna cut for?