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4 votes
7 answers
4k views

Slot antenna for 2 meter mobile

2 votes
0 answers
55 views

How can I key low voltage and still keep a tube VFO running constantly?

0 votes
1 answer
66 views

Given that transmit "chirp" is mainly thermal related, what parts would need to be temperature regulated to limit chirp?

1 vote
1 answer
182 views

Need some help to design a DIY MW Radio receiver

8 votes
5 answers
1k views

LoRa radio transceiver for PtP mesh?

0 votes
4 answers
109 views

Wired RF connection without antenna

4 votes
1 answer
1k views

Frequency Display for Old Tube Radio

2 votes
4 answers
3k views

Can I build a mini passive repeater to improve my WIFI reception at home?

1 vote
1 answer
110 views

Swapping crystal from HF to VHF in a QRP tranceiver

1 vote
2 answers
72 views

A question about chassis mount SMPS mounting

3 votes
3 answers
129 views

Serial Inductors in Tuned Circuit - Elenco AM780K AM Radio Kit

8 votes
1 answer
196 views

Is there anything special about 4.9152 MHz intermediate frequency?

2 votes
2 answers
174 views

What simple methods are available to test a homebrew SSB transceiver on transmit?

1 vote
0 answers
69 views

How do I test if three turns are better than 4 turns?

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